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Product Name: Sodium Dihydrogen Citrate
Chemical Formula: C6H7NaO7
Synonyms: Monosodium citrate, Sodium hydrogen citrate
CAS Number: 18996-35-5
Supplier/Manufacturer: Chemical supplier or laboratory manufacturer address and phone
Recommended Use: Common additive in food, pharmaceuticals, buffering agent in laboratories
Emergency Contact: Local poison control center, emergency services, supplier number
Classification: Not classified as hazardous per GHS
Label Elements: No pictogram required; signal word not required
Hazard Statement: May cause mild skin, eye, or respiratory irritation
Precautionary Statements: Avoid direct contact with eyes, prolonged skin exposure, and inhalation of dust or powder
Potential Health Effects: Eyes – irritation and redness; Skin – mild irritation, especially on abraded skin; Inhalation – cough or mild throat irritation; Ingestion – mild gastrointestinal upset, not considered toxic in small amounts
Environmental Hazards: Generally considered low risk for the environment if handled and disposed of properly
Chemical Name: Sodium Dihydrogen Citrate
Concentration: Greater than 98% (varies with supplier)
Impurities: Trace impurities possible, such as other sodium or citrate salts in negligible concentrations
Molecular Weight: 214.11 g/mol
Inhalation: Move to fresh air; seek medical attention if symptoms continue
Skin Contact: Wash affected area with soap and water; remove contaminated clothing
Eye Contact: Rinse carefully with plenty of water for at least 10-15 minutes; seek medical help if discomfort persists
Ingestion: Rinse mouth thoroughly with water; drink extra fluids; seek medical advice if a large quantity is swallowed or feeling unwell continues
Most Important Symptoms: Mild irritation, redness, or upset stomach
Suitable Extinguishing Media: Water spray, dry chemical, foam, or carbon dioxide
Specific Hazards: Not flammable, but product can decompose in fire, producing irritating or toxic fumes (oxides of carbon, sodium compounds)
Protective Equipment: Firefighters should use self-contained breathing apparatus and protective clothing
Specific Methods: Avoid inhalation of combustion gases; cool exposed containers with water
Personal Precautions: Avoid dust formation; ventilate area; avoid contact with skin and eyes
Protective Equipment: Use gloves, safety glasses, dust mask for cleanup
Environmental Precautions: Prevent from entering drains, surface water, or soil in large amounts
Cleanup Methods: Sweep up or vacuum, place in properly labeled containers for disposal; wash area with water after material has been removed
Safe Handling: Ensure good ventilation; use personal protective equipment to prevent skin/eye contact; avoid creating dust
Storage Requirements: Store in a cool, dry, well-ventilated area
Incompatible Materials: Strong acids, bases, or oxidizing agents can cause unwanted reactions
Other Notes: Keep container tightly closed; prevent moisture ingress; avoid storing with incompatible chemicals
Exposure Limits: No occupational exposure limits specifically established; keep airborne dust as low as possible
Engineering Controls: Use local exhaust ventilation if dust or mist is produced
Personal Protection: Safety glasses or goggles, lab coat, protective gloves, dust mask in case of powder exposure
Hygiene Measures: Wash hands thoroughly after handling; do not eat, drink, or smoke where chemicals are used
Appearance: White crystalline powder or granules
Odor: Odorless or faintly acidic
Odor Threshold: Not established
pH: Typically 3.5-5.0 (1% aqueous solution)
Melting Point/Freezing Point: Decomposes above 150°C
Boiling Point: Not applicable (decomposes)
Solubility: Easily soluble in water
Vapor Pressure: Not applicable
Relative Density: About 1.76
Partition Coefficient: Not established
Viscosity: Not applicable
Flash Point: Not flammable
Evaporation Rate: Not applicable
Flammability: Not flammable
Chemical Stability: Stable under normal handling and storage conditions
Decomposition Products: Oxides of carbon, sodium oxides under extreme heat
Conditions to Avoid: Extreme heat, exposure to strong acids or bases, moisture
Incompatibility: Strong oxidizing agents, strong acids, and strong bases
Hazardous Reactions: None known under normal use
Acute Toxicity: Oral LD50 (rat): estimated above 2,000 mg/kg
Chronic Effects: No significant chronic risks identified from available data
Skin Contact: Mild irritation possible on prolonged contact
Eye Contact: Can cause mild transient irritation
Inhalation: May cause coughing or respiratory irritation if dust is inhaled
Ingestion: Expected to be low toxicity at typical exposures
Carcinogenicity: Not listed as a carcinogen by IARC, NTP, OSHA
Mutagenicity: No evidence from available studies
Reproductive Toxicity: Not established based on current studies
Ecotoxicity: Considered low hazard for aquatic life at environmental concentrations
Persistence and Degradability: Readily biodegradable by microorganisms in water and soil
Bioaccumulation: Not likely to bioaccumulate in aquatic organisms
Mobility in Soil: Highly soluble, potential for leaching, should not contaminate groundwater in large quantities
Other Information: Avoid releases in significant quantities to minimize impact on aquatic or terrestrial systems
Product Disposal: Dispose of in accordance with local, regional, and national regulations; do not dispose in household drains in large amounts
Container Disposal: Empty containers should be rinsed and disposed of as chemical waste
Special Precautions: Follow environmental agency guidelines for acceptable disposal procedures; prevent large releases into the environment
UN Number: Not regulated for transport
Proper Shipping Name: Not classified as hazardous
Transport Hazard Class: Not applicable
Packing Group: Not applicable
Environmental Hazards: Not classified as dangerous for the environment
Special Transport Precautions: Avoid container breakage, secure load during transit, keep dry
Safety, Health, and Environmental Regulations: Product not subject to specific labeling or restrictions under most global regulations, such as EU REACH, US TSCA
Workplace Regulation: General regulations for chemical handling apply; review local workplace safety laws
Inventory List Status: Listed on most chemical inventories globally
Other Requirements: Safety training recommended; ensure appropriate chemical risk assessments have been completed where used in workplaces
West Ujimqin Banner, Xilingol League, Inner Mongolia, China
