© 2026 Alchemist Worldwide Ltd,
All Right Reserved
Sodium Dihydrogen Phosphate, often found under the HS Code 28352200, stands out as a widely used inorganic compound. This material comes with the chemical formula NaH₂PO₄. In daily handling, it takes several forms—white powder, transparent crystals, solid flakes, and sometimes even as small, pearl-like granules. Many might only see it labeled by its trade name or as a food additive, but folks working with chemicals or in processing plants tend to recognize the significance of this compound in both pure and mixed applications. The main elements include sodium, phosphorus, hydrogen, and oxygen, bonded in a way that gives the material distinct reactivity and functionality.
The density of Sodium Dihydrogen Phosphate, depending on hydration and granule packing, usually lands around 2.04 g/cm³ for the anhydrous type, though forms like the monohydrate or dihydrate sometimes shift this number. It dissolves quickly in water, producing an acidic solution. The pH often falls below 5 when mixed in typical concentrations. Unlike many other phosphate salts, it rarely finds itself clumping or picking up water from the air, a welcome trait when using its powder or crystalline types in recipes or laboratory settings. The compound resists decomposition at room temperature, but starts breaking down above 200°C. Most people, if they’ve ever handled fertilizer ingredients or pool chemicals, will instantly notice Sodium Dihydrogen Phosphate offers reliable consistency between batches.
What makes this molecule stand out is its simple yet effective structure—each sodium atom ties neatly with a single phosphate group. The presence of two hydrogen atoms gives rise to its acidic character. The formula, NaH₂PO₄, clearly shows this balance. Each crystal or flake you see under a microscope looks uniform, with no open pores or impurities visible on the surface. Standard specifications often require high purity, tight moisture limits, and careful inspection of particle size. Production rarely veers away from set methods, keeping impurities like chloride or sulfate low. Consistency makes it easier for users across industries—each kilogram matches the next in grain shape and chemical response.
Sodium Dihydrogen Phosphate appears in several forms. For bulk handling or manufacturing, dense flakes or large pearls roll quickly through feeders, cutting down on dust and clogging equipment less often. Finely ground powder spreads evenly in smaller applications, whether you’re working in a lab or dosing small food batches. Crystal forms look clear, sharp-edged, and are sometimes preferred when purity or fast dissolution matters most, such as for buffering solutions or reagents. Solutions and liquids bring the convenience of pre-dissolved concentration, especially important in continuous processes that demand exact pH control. Each form provides benefits tied to the job at hand, whether it’s direct dosing, fast mixing, or simply less mess during transfer.
It’s easy to take Sodium Dihydrogen Phosphate for granted, but its value spreads wide: from water treatment, baking powders, and cleaning products, to acting as a buffer in pharmaceuticals and laboratory research. As a food additive, it plays a direct role in balancing acidity and stabilizing textures—anyone who has worked the mixing line in processed foods will vouch for its reliability. In agriculture, it finds use as a raw material in nutrient mixtures for plant growth. Practical experience shows that when you need a soft acid or a buffer that won’t add foreign flavors or contamination, this phosphate answers the call. Science classrooms and large manufacturers alike benefit from its easy handling, by-the-book reactions, and consistent results.
Despite being common, Sodium Dihydrogen Phosphate must be respected for its acidic nature. Direct contact with the solid or solution can cause irritation to eyes or skin, especially in concentrated amounts. People who spend time in chemical plants or labs know to use gloves, avoid inhaling dust, and keep containers sealed tight. The compound is not considered highly toxic, but as with most chemicals, ingestion or inhalation in large quantities can bother the digestive system or lungs. Disposal requires standard measures—no tossing large amounts into regular waste streams, since overconcentration can shift pH in water and soil. Workers often rely on clear labeling and strong storage guidelines to keep accidents rare. Knowing what you’re handling, respecting safety protocols, and keeping personal protection gear nearby ensures hazards stay minimal and manageable.
Raw material sourcing for Sodium Dihydrogen Phosphate usually depends on large-scale chemical synthesis involving phosphoric acid and sodium compounds. Industry veterans have seen how purity depends on controlling input materials and the cleanliness of production lines. The chemical’s wide use means global demand stays steady, tying its price and availability to phosphate rock supplies, global logistics, and energy costs. Changes upstream can ripple down to food processors, water treatment facilities, and pharmaceutical firms. Quality checks at every stage—from raw phosphate mining to the last packaging step—make sure harmful contaminants stay out and customers get what’s printed on the label. As someone who’s tracked chemical sourcing issues, clear communication between supplier and user keeps the whole supply chain running smooth.
People in science, industry, and agriculture count on Sodium Dihydrogen Phosphate for both simple and complex jobs. To keep its use sustainable, several practices help: tight storage in dry, labeled containers, regular worker training on chemical safety, and investment in waste treatment that neutralizes runoff. Manufacturers gain trust by disclosing all properties, not just broad compliance claims—they provide clear safety data and update clients regularly on any sourcing or purity changes. In schools and research labs, teaching about this compound often highlights real-life chemistry, giving students a direct way to connect textbook knowledge to experiments and industry case studies. Focusing on both product strength and responsible handling ensures Sodium Dihydrogen Phosphate remains a reliable raw material in the modern world.
