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Monocalcium phosphate, known by many in the feed and food world as MCP, started gaining traction in the late 19th century, around the same time folks looked for reliable ways to boost agricultural yields and improve animal feed. The effort to replace bone meal and natural phosphates led chemists to experiment with more controlled chemical processes. Early forms of MCP came from treating mined phosphate rocks with mineral acids, a process that jumped forward in industrial scale as global farming picked up pace. By the mid-20th century, advances in chemical engineering and process safety made it possible to produce MCP with better purity, convenience, and predictable nutrient content. Over the decades, it became a staple for farmers and food technologists looking for a straightforward, trusted source of phosphorous and calcium.
Trade names may differ, but ask animal nutritionists or food engineers, and they’ll point to MCP every time pure, fast-absorbed phosphate is called for. Usually sold as a white or off-white powder or granular solid, MCP carries a reputation for consistency. Feed-grade MCP supports livestock by balancing rations, and food-grade MCP makes its way into leavening agents, helping baked goods rise evenly. Demand spans continents, and in every country with a robust agriculture industry, dependable sources of MCP are on hand, packaged with regulatory overviews suited to local safety codes.
Monocalcium phosphate stands out as a solid at room temperature, non-hygroscopic under most storage conditions, and fairly stable if kept dry. Solubility leans towards the edge of what matters most in animal feed and food processing: easy enough for digestion or food chemistry, not so fast that it loses its punch on the shelf. The molecular formula Ca(H2PO4)2 puts it right in the zone for calcium and phosphate delivery, each atom mapped to pathways in biology and baking. Usually, MCP has a molar mass of around 234 g/mol, appearing as a fine powder or larger crystals depending on its use. Technical grades offer a phosphorus content roughly between 22% and 24%, with calcium around 16% to 18%, tightly controlled for reliable formulation.
Labels on industrial bags or food ingredient packs say plenty. Each batch gets rated for purity, heavy metal content, moisture, and particle size, fitting within local legal frameworks such as CODEX Alimentarius or US Pharmacopeia for food use, and FAMI-QS or GMP+ when destined for animal feeds. Producers must print production dates, batch numbers, and recommended storage conditions, always flagging contents clearly for downstream users. Labels sometimes include information about water-soluble and citrate-soluble phosphorus, helping users compare compatibility with other nutrients or additives. When speaking with a nutritionist or regulatory officer, traceability marks often carry the most weight.
Most factories stick to phosphoric acid and high-quality calcium carbonate for a dependable result. A careful reaction between phosphoric acid (which may itself be mined or recycled from renewable streams) and refined limestone creates the dense, fine crystals of MCP. Heat, agitation, and process controls separate by-products. Some manufacturers introduce filtering, drying, and milling steps for a product that fits tight feed or food requirements. Water used in production gets monitored for quality, and lines must be regularly flushed to avoid cross-contamination, meeting both chemical and food safety targets. In regions where raw material costs or local regulations shift, operators tweak production systems to maintain stable output.
The core synthesis of MCP anchors in acid-base chemistry: phosphoric acid and calcium carbonate or calcium hydroxide yield monocalcium phosphate and carbon dioxide. By mixing at different ratios or applying extra heat, plants can end up with dicalcium phosphate instead, but MCP calls for a fine-tuned acid excess. Some MCP used in food gets adjusted for certain leavening systems—fine-tuning reaction rates so that carbon dioxide release matches dough development or baking temperatures. More ambitious researchers try functional modifications, blending MCP with trace minerals or other phosphates, aiming for improved digestibility in young animals, or optimizing for specific bakery applications.
Monocalcium phosphate appears on ingredient lists as Acid Calcium Phosphate, Calcium Dihydrogen Phosphate, E341(i) in Europe, or simply MCP. Some suppliers use brand names that tie back to historical mills or patented process tweaks, but most users want the raw specs up front—purity, elemental phosphorus, and packaging size speak louder than creative marketing in this line of work. Supply chain documents regularly reference "phosphoric acid, calcium salt (1:1)" or "Ca(H2PO4)2", especially for customs and export controls.
Routine handling in factories or feed mills stays straightforward so long as dust exposure and moisture uptake get managed. Safety Data Sheets (SDS) direct workers to avoid direct inhalation, use open drums or bags in ventilated environments, and keep MCP away from strong bases or incompatible chemicals. For the most part, MCP doesn’t react violently at room temperature, nor does it give off nasty fumes. Storage away from water keeps it flowing as it should, while protective gloves, masks, and eyewear reduce workplace risks. Across the board, national safety authorities like OSHA or EU-OSHA inspect MCP production, reinforcing the idea of safety as the first line of defense.
Anyone managing farm animals, pet foods, or custom blended fertilizers has handled MCP, whether as a primary nutrient source or as an ingredient woven into finished pellets or top-dress feeds. Over in baking and baking powder, MCP acts as a crucial acid source, responsible for reliable dough leavening. Cheese and dairy sectors draw on MCP to balance minerals and set texture in processed cheeses. Fertilizer blenders, especially those supporting precision agriculture, value MCP’s soluble phosphorus, tailored for certain soil types or quick nutrient delivery. My own experience in feed manufacturing highlighted the value of MCP when troubleshooting rations for fast-growing broilers—a small shift in either phosphorus or calcium levels meant the difference between healthy flocks and animals struggling with skeletal issues.
R&D labs working with MCP drive new advances every year, targeting bioavailability, sustainability, and ease of mixing with other nutrients. Researchers test new ways to extract phosphorus from lower-grade ores or recycled by-products, hoping to ease pressure on natural phosphate reserves. Teams explore encapsulation techniques for more stable delivery in complex feed blends. Some universities team up with local producers to track long-term animal health or crop performance. As food fortification projects expand, new partnerships examine how MCP can deliver precisely measured minerals to plant-based foods and specialized diets. Studies from China, Europe, and the US add to a growing knowledge base around MCP’s interactions in multi-mineral premixes, infant formula, and aquaculture feeds.
Toxicologists and nutrition experts always ask about MCP safety, focusing on both acute effects and long-term intake. Current research says MCP doesn’t pose much risk at the inclusion levels common in food or feed, provided the raw materials stay free from heavy metals like cadmium or arsenic. Some work looks at side-effects in overfeeding situations, where excess phosphorus can spark kidney stress in certain animal species. Regulatory agencies keep a close eye on potential contaminants, setting threshold limits that keep consumers and animals safe. Human food studies track overall phosphorus exposure, helping shape intake guidance for health agencies and dietitians. Proper use comes back to clean manufacturing and honest labeling—cut corners and the risks rise fast.
Looking at where MCP goes next, the most promising developments come from closing the loop in phosphorus use. Innovations in phosphorus recycling—from waste streams and crop residues—offer hope for securing affordable MCP long-term. Sustainable sourcing lines up with broader consumer awareness, and clean-label trends mean ingredient makers must trace every step from mine to mill. In animal nutrition, better forms of MCP with higher absorption rates may give farmers more value per kilogram, while new blends hit specialty markets. Food technologists keep tinkering with fermentation and enzymatic processing to unlock new functions for MCP in dairy alternatives and gluten-free goods. As regulations tighten around mineral inputs in fertilizers and food, MCP stands to remain a go-to for its well-quantified benefit, balancing old-line reliability with the challenges of a changing world.
Monocalcium phosphate often turns up on the back of food packaging or feed bags, but it rarely gets any spotlight. Most people wouldn’t think twice about it unless they’re reading food labels or diving into animal nutrition. Still, this chemical quietly holds major influence in both food and farming. For people who have ever baked at home, mixed animal feed, or gardened, MCP—short for monocalcium phosphate—touches daily life in more ways than many notice.
Open any kitchen pantry, and chances are you’ll see baking powder. This staple owes its power to MCP, which reacts with baking soda to produce the carbon dioxide bubbles that make dough rise. For anyone trying to bake a cake or loaf that feels light instead of dense, getting this chemical balanced makes all the difference. Without MCP, homemade biscuits stay flat, pancakes come out chewy, and cakes never reach the right fluffy texture.
Life on a farm—large or small—comes with its own practical challenges. Animals, just like people, need calcium and phosphorus for bones and teeth, and for a long list of metabolic functions. MCP delivers a concentrated, bioavailable source of these minerals. Over time, cattle and poultry raised on diets without enough available phosphorus develop bone issues, grow slower, or lay fewer eggs. Farmers who add this feed ingredient see better animal growth and production. Proper nutrition can prevent costly vet bills and improve farm yields, which benefits both big agribusiness and local farmers alike.
Anyone who grows crops relies on healthy soil. Phosphorus stands among the three major plant nutrients, and soil sometimes just can’t keep up with what fast-growing crops demand. MCP enters the picture here as a fertilizer, feeding crops without leaving behind a mess of unwanted chemicals. It dissolves easily in water, which means roots can actually take up the nutrients. Gardeners who struggle with stunted plants or poor fruiting sometimes find real improvement after giving their soil a phosphorus boost. This kind of targeted fertilization can lift yields and quality, which plays a huge part in feeding a growing population.
Not everything about MCP falls on the positive side. Overusing any phosphate fertilizer risks environmental impact, especially in places that see a lot of runoff. Excess phosphorus can wash into rivers and lakes, where it speeds up algae blooms and disrupts aquatic life—something I’ve seen happen in local ponds. Growing up, our small town would sometimes post warnings about swimming after big rains because of too much algae. Paying attention to soil tests and cutting back where phosphorus readings run high keeps this ingredient out of local waters. On the food side, most regulatory agencies agree that quantities used in food products are safe, but watching out for added phosphates brings peace of mind for people with kidney issues or those monitoring their dietary intake.
Making the most of MCP depends on smart management. Farmers have started making better use of precision agriculture, where soil testing guides fertilizer choice and amount. Kitchen companies use advances in food science to design products that deliver great taste without unnecessary additives. Both sides point toward a balanced approach—one that values productivity and health but also thinks ahead about long-term impacts. Through a combination of mindful consumption, targeted use, and honest conversation about both benefits and risks, everyone can get more out of this everyday ingredient while treading a little lighter on the world we all share.
Walk into any feed store or livestock farm, and you’ll probably see monocalcium phosphate listed on ingredient tags. Livestock owners add it to rations for an important reason: it serves as a concentrated source of phosphorus and calcium. Both are central players in helping animals grow bones, lay eggs, and simply carry on daily life.
Animals can’t manufacture these minerals on their own, and it’s tough to get enough from forage alone—especially with the way modern farming pushes for higher yields on less space. Grains and plant-based feeds often run short on phosphorus that animals can absorb. Feed-grade monocalcium phosphate gets absorbed better than many natural sources.
Ask anyone working with cattle, pigs, or poultry and most will say monocalcium phosphate shows up regularly in their feeding programs. Years of research and field results back up its role in supporting growth, bone strength, and productivity. On the science side, food safety authorities around the world (like the European Food Safety Authority and the US Food and Drug Administration) reviewed available data and didn’t find toxicity problems—so long as inclusion stays within established guidelines.
Phosphates can build up in the environment if overused or mismanaged. But the compound itself, when supplied according to what animals actually need, doesn’t leave residues in milk, meat, or eggs that would harm human health. Making sure suppliers meet feed-grade quality standards also reduces risks from contaminants like heavy metals.
There’s nothing magic about monocalcium phosphate. Like any mineral supplement, real safety comes down to whether diets are balanced. Too much phosphorus doesn’t only waste money—it can cause health issues in animals and trigger runoff that damages waterways. Most problems show up where supplementation outpaces actual requirements.
Feed experts recommend regular testing of forages and grains before adding any supplement. Veterinarians and nutritionists use those lab results to match feed phosphate to the herd's age, production stage, and local soil content. On my own family’s farm, we’ve seen cattle perform better with tailored trace mineral mixes compared to just dumping in premixed supplements. That’s not a knock on monocalcium phosphate—it works. But it works best when you actually know what’s missing from local feeds.
Farms looking to make the most of mineral supplements should keep records and aim for regular review with a trained nutritionist. Periodic lab checks of mineral levels in finished feed and water help catch unexpected deficiencies or excesses. Regulatory agencies play their part by setting maximum levels and watching for contamination issues at manufacturing plants.
Farmers get a solid, science-backed tool with monocalcium phosphate. The real work comes in pairing that with practical, local knowledge and regular feedback—testing, measuring, and adjusting so animals get what they actually need, and nothing more. Doing things this way helps animals thrive, cuts down on waste, and keeps both the animals and their environment safe.
Most consumers and professionals come across MCP, or monocalcium phosphate, every day without realizing its impact. This compound plays a crucial role in agriculture as a feed additive, in baking, and as a fertilizer ingredient. MCP often arrives at the feed mill or bakery labeled with its total phosphorus content, but the real question goes beyond numbers on a bag: what’s inside, and why should anyone care?
If you pick up a bag of monocalcium phosphate in a feed store or order it by the ton for large-scale use, the MCP content floats between 22% and 26% phosphorus by weight. The product contains a fine balance: enough phosphate for animal nutrition or crop improvement, minimal impurities to ensure safety, and a physical texture that blends well into feed or soil.
Manufacturers don't always hit the same percentage every time they produce a batch. Some of this comes down to the raw phosphate rocks they process. Think about how minerals can differ from mine to mine, or even within the same deposit. Processing methods also play a role—whether they use wet or thermal techniques, the amount of residual impurities can shift the final MCP percentage. Quality control standards, especially in the EU and US, force manufacturers to keep the phosphorus content within a narrow band to meet animal health guidelines.
In my time consulting with poultry farmers, I’ve seen how even a small swing in nutrient percentages shakes up feed rations. If MCP content reads higher than expected, feed formulas can overshoot phosphorus levels, leading to waste and extra costs. On the flip side, a drop means animals don't get the nutrition they need, stunting growth and productivity. Beyond animal health, too much phosphorus runoff ends up in waterways, triggering algae blooms and other ecological problems.
Reputable producers constantly test their output using UV-Vis spectrometry or gravimetric analysis. These aren’t just flashy lab terms—they help farmers and food companies trust the number printed on the bag. I’ve stood in plants that reject entire shipments after routine spot tests show the phosphorus content slipping outside tolerance. Regulatory agencies like the Food and Drug Administration (FDA) and the European Food Safety Authority (EFSA) regularly inspect manufacturers’ labs and demand transparent certification.
A strong partnership between feed suppliers and end-users helps keep MCP quality consistent. Digital tracking of supply lots, QR codes for nutrient profiles on packaging, and better feedback loops would allow users to catch potential problems early. Feed mills could automate part of their nutrient testing with affordable field kits, instead of waiting on outside labs. These steps would reduce expensive errors and improve trust throughout the supply chain.
For anyone who works closely with animal nutrition or crop inputs, understanding the real MCP content inside each shipment doesn’t just boost feed or fertilizer performance—it also builds confidence that everyone’s playing by the rules. That makes a difference all the way from the factory floor to the dinner table.
Monocalcium phosphate doesn’t usually get much attention, even among folks working in agriculture or manufacturing. For many, it looks like just another bag of white powder in a warehouse. But small things can cause big problems. Water sneaks into the bag, or air humidity creeps in, then the phosphate clumps up or breaks down. Suddenly, a trusted batch doesn’t do its job, or the equipment jams. That's real money lost and sometimes safety on the line, especially when people have animals relying on a careful blend of nutrients.
Moisture causes trouble right away. In my experience, bags left in unprotected storage during a rainstorm turn crusty and stick together. Damp monocalcium phosphate won’t flow smoothly through mixers or feeders. In some cases, the product turns cakey, stiff, and can't be measured out properly. Oxygen in the air speeds things up, too. Exposure causes slow breakdown—the compound starts to form less soluble lumps. Nobody enjoys scraping at solid bricks of what should have been easy-to-handle powder.
Open storage or careless handling creates another problem: contamination. Wind-blown particles mix with dust or dirt from forklifts. Open bags left on the warehouse floor collect debris. In feed mills, protecting purity matters, since contaminated minerals end up in animal diets. The fallout is ash content or heavy metals finding their way into the system, which can affect animal health and, by extension, food safety for humans.
From years in feed production and chemical storage, I’ve learned a few habits keep problems in check. The first one is choosing a dry, cool room. Avoiding extremes of heat and temperature helps shelf life. Second, always use sealed, moisture-proof packaging—think thick plastic liners in sturdy sacks. Pallets work better than stacking materials directly on the ground, since rising dampness from the concrete will find its way into the lowest bags.
Another habit: rotation. Mark the date every time a new shipment comes in, and always move the oldest stock to the front. It's easy to forget just how fast product quality drops if left too long, especially through humid summer months. Some folks use small dehumidifiers, especially in climates where sweating pipes and walls pose a risk. In really big operations, tight environmental controls aren’t fancy extras—they save thousands by keeping stock dry and stable.
Transport offers its own headaches. Loose packaging or leaky trucks let in rain, road dust, or pests. Drivers and loaders have to check for ripped sacks, keep pallets dry, and cover loads fully. Drivers shouldn’t be shy about double-checking before leaving the warehouse. Trips across hot or wet regions demand extra care, with quick turnarounds to avoid moisture sneaking in through condensation.
Trusted companies stamp storage guidelines clearly on every package—temperature range, humidity limits, best-by dates. They work with packaging specialists to design bags that keep out air and water. Upfront investment in storage conditions saves more than it costs, reducing waste and protecting equipment. Training warehouse staff doesn’t cost much. A morning spent learning the risks of moisture and contamination pays for itself by stopping the next big mistake before it gets started.
Monocalcium phosphate shows up in animal feed, fertilizer, and packaged food. It helps bread rise, adds calcium to breakfast cereal, and boosts livestock nutrition. People see a chemical name and start to wonder about what else hides in the bag.
Food and feed-grade monocalcium phosphate starts with phosphate rock. This rock gets processed, refined, and cleaned before anyone puts it in a food plant. The worry comes from what else rides along with that rock. Phosphate deposits sometimes hold traces of cadmium, lead, arsenic, and mercury — metals that no one wants in their diet.
Labs have run plenty of tests, especially as concerns about arsenic and lead in food grow. Published research highlights trace amounts of metals, but the numbers vary by region. The U.S. Food and Drug Administration tests and sets limits for heavy metals in food additives. For instance, the FDA usually holds lead in food to 0.1-0.5 parts per million (ppm), based on risk. Most big producers test phosphate before selling it, and U.S. suppliers generally stay far below these thresholds.
Not all phosphate rocks look the same. Sourcing plays a role. North American deposits usually show lower heavy metal levels than some ores from Africa or Asia. Brands with strong quality programs track their supply chain and test each batch. I once toured a feed additive plant that checked for heavy metals weekly, and anything even close to the limit never left the gate. The lab folks cared because a recall would sink trust overnight.
The risk picture depends on who buys the final product. Infants, pregnant women, and people with chronic health issues face the most danger from metals, even in small doses over time. Most other adults eat so little monocalcium phosphate—often less than a gram each week—it doesn’t tip the scales. Top food companies include these concerns in their safety reviews. Third-party certifications like USP or food-grade certifications add another layer of safety.
Pulling phosphate from cleaner sources stands out as step one. Producers who care about safety work with miners and regulators to weed out contaminated ore. Targeted testing keeps these contaminants in check. Big manufacturers often publish test results, offer traceability of batches, and invest in better filtration. Smaller producers fall under local rules, but regulations on feed and food safety get tighter each year.
Concerned consumers can choose products from companies that share lab reports or certifications. If you feed livestock, veterinary suppliers often disclose contaminant data. For baking or packaged foods, look for reputable suppliers and trusted audits. If a region has a bad reputation for contamination, avoid those sources. Heavy metal contamination won’t disappear, but steady testing and honest sourcing give everyone better odds.
Heavy metal exposures often build quietly. Monocalcium phosphate doesn’t carry major risks for most people in regulated food systems. Stories in the news usually spike when a bad batch breaks through or regulations change. If diets rely on imported animal feed or processed foods, it pays to look at the label and ask about safety records. True food safety doesn’t rely on trust alone; it comes from transparency and steady attention to detail, both from industry and watchdog groups.
| Names | |
| Preferred IUPAC name | calcium dihydrogen phosphate |
| Other names |
Calcium dihydrogen phosphate Calcium superphosphate Primary calcium phosphate Phosphoric acid, calcium salt (1:1) Acid calcium phosphate |
| Pronunciation | /ˌmɒn.oʊˈkælsi.əm ˈfoʊs.feɪt/ |
| Preferred IUPAC name | Calcium dihydrogen phosphate |
| Other names |
Calcium dihydrogen phosphate Monobasic calcium phosphate Calcium phosphate monobasic Acid calcium phosphate Ca(H2PO4)2 |
| Pronunciation | /ˌmɒn.oʊˌkæl.si.əm ˈfɒs.feɪt/ |
| Identifiers | |
| CAS Number | 7758-23-8 |
| Beilstein Reference | 554340 |
| ChEBI | CHEBI:63068 |
| ChEMBL | CHEMBL1201771 |
| ChemSpider | 14215 |
| DrugBank | DB14583 |
| ECHA InfoCard | 03b8e72f-d5ec-43a0-8e93-9d8fd26fd61e |
| EC Number | E341 |
| Gmelin Reference | 73022 |
| KEGG | C02572 |
| MeSH | D014304 |
| PubChem CID | 24856 |
| RTECS number | TH4496000 |
| UNII | E4Q8I5X072 |
| UN number | UN3077 |
| CAS Number | 7758-23-8 |
| Beilstein Reference | 126559 |
| ChEBI | CHEBI:63015 |
| ChEMBL | CHEMBL1201601 |
| ChemSpider | 21812387 |
| DrugBank | DB11221 |
| ECHA InfoCard | ECHA InfoCard: 030-003-00-9 |
| EC Number | E341 |
| Gmelin Reference | 62225 |
| KEGG | C16525 |
| MeSH | D018145 |
| PubChem CID | 24456 |
| RTECS number | SJ3790000 |
| UNII | V5YWX2G6GS |
| UN number | UN3077 |
| Properties | |
| Chemical formula | Ca(H₂PO₄)₂ |
| Molar mass | 234.05 g/mol |
| Appearance | White crystalline powder |
| Odor | Odorless |
| Density | 2.22 g/cm³ |
| Solubility in water | 17.8 g/100 mL (25 °C) |
| log P | -4.6 |
| Vapor pressure | Negligible |
| Acidity (pKa) | 2.13 |
| Basicity (pKb) | 8.80 |
| Magnetic susceptibility (χ) | 'Diamagnetic' |
| Refractive index (nD) | 1.576 |
| Dipole moment | 0 D |
| Chemical formula | Ca(H₂PO₄)₂ |
| Molar mass | 234.05 g/mol |
| Appearance | White powder |
| Odor | Odorless |
| Density | 2.22 g/cm³ |
| Solubility in water | 1.8 g/100 mL (25 °C) |
| log P | -4.6 |
| Vapor pressure | Negligible |
| Acidity (pKa) | 2.1 |
| Basicity (pKb) | 12.7 |
| Magnetic susceptibility (χ) | Diamagnetic |
| Refractive index (nD) | 1.576 |
| Dipole moment | 2.91 D |
| Thermochemistry | |
| Std molar entropy (S⦵298) | 87.8 J·mol⁻¹·K⁻¹ |
| Std enthalpy of formation (ΔfH⦵298) | -1,466 kJ/mol |
| Std enthalpy of combustion (ΔcH⦵298) | –2345 kJ/mol |
| Std molar entropy (S⦵298) | 87.8 J·mol⁻¹·K⁻¹ |
| Std enthalpy of formation (ΔfH⦵298) | -1836 kJ/mol |
| Std enthalpy of combustion (ΔcH⦵298) | -2348 kJ/mol |
| Hazards | |
| GHS labelling | GHS02, GHS07 |
| Pictograms | GHS07, GHS09 |
| Signal word | Warning |
| Hazard statements | Not classified as a hazardous substance or mixture. |
| Precautionary statements | Keep container tightly closed. Store in a cool, dry place. Avoid breathing dust. Wash thoroughly after handling. Use only with adequate ventilation. Wear protective gloves, clothing, and eye/face protection. |
| NFPA 704 (fire diamond) | 1-0-0 |
| Lethal dose or concentration | LD50 (oral, rat): > 2,000 mg/kg |
| LD50 (median dose) | LD50 (median dose): 17,000 mg/kg (rat, oral) |
| NIOSH | Not Listed |
| PEL (Permissible) | PEL (Permissible Exposure Limit) for Monocalcium Phosphate MCP: 15 mg/m³ (total dust), 5 mg/m³ (respirable fraction) |
| REL (Recommended) | 0.5-1.0% |
| IDLH (Immediate danger) | Not established |
| Main hazards | May cause respiratory tract irritation, eye irritation, and skin irritation. |
| GHS labelling | GHS07, Warning, H319, P264, P305+P351+P338 |
| Pictograms | GHS07, GHS09 |
| Signal word | Warning |
| Hazard statements | May cause respiratory irritation. |
| Precautionary statements | P264: Wash hands thoroughly after handling. P270: Do not eat, drink or smoke when using this product. P301+P312: IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell. P330: Rinse mouth. |
| NFPA 704 (fire diamond) | 0-0-0 |
| Lethal dose or concentration | LD50 (oral, rat): 10,000 mg/kg |
| LD50 (median dose) | > 10,000 mg/kg (rat, oral) |
| NIOSH | WA190 |
| PEL (Permissible) | PEL (Permissible Exposure Limit) for Monocalcium Phosphate (MCP): 15 mg/m³ (total dust), 5 mg/m³ (respirable fraction) |
| REL (Recommended) | 0.5 – 1.0% |
| IDLH (Immediate danger) | Not listed |
| Related compounds | |
| Related compounds |
Dicalcium Phosphate (DCP) Tricalcium Phosphate (TCP) Monosodium Phosphate Disodium Phosphate Monopotassium Phosphate Calcium Hydrogen Phosphate Calcium Dihydrogen Phosphate |
| Related compounds |
Dicalcium Phosphate Tricalcium Phosphate Monopotassium Phosphate Disodium Phosphate Monosodium Phosphate Phosphoric Acid Calcium Hydrogen Phosphate |
