Product Name: Sodium hydrogen tartrate
Other Names: Sodium bitartrate, Monosodium tartrate acid
Chemical Formula: C4H5NaO6
CAS Number: 868-18-8
Intended Use: Laboratory reagent, buffering agent, analysis chemicals
Supplier Information: Name, address, and contact information of the chemical distributor or producer
Emergency Phone Number: Company’s designated emergency line or poison control
Classification: Not classified under most global regulations as hazardous
Health Hazards: Prolonged or repeated contact may cause mild skin or eye irritation. Dust or powder inhalation could irritate upper respiratory tract.
Environment Hazards: Not expected to cause lasting environmental harm, large releases should be avoided
Physical Hazards: Stable under normal handling; can produce fine dust likely to cause mechanical irritation
Label Elements: No major symbols required under GHS standards for this compound
Precautionary Statements: Avoid breathing in dust, wash hands thoroughly after handling, use in well-ventilated areas
Chemical Name: Sodium hydrogen tartrate
Content: 98% or higher
Impurities: Water and trace organic salts (may be present in minute quantities)
Inhalation: Move to fresh air, keep comfortable for breathing. If symptoms develop, seek medical advice.
Skin Contact: Wash with plenty of soap and water. Remove contaminated clothing.
Eye Contact: Flush eyes slowly under running water for at least 15 minutes. Remove contact lenses, continue rinsing if irritation persists.
Ingestion: Rinse mouth, drink water. Seek medical attention if significant amounts are swallowed, or if unwell.
Suitable Extinguishing Media: Use water spray, dry chemical powder, CO2, or foam
Unsuitable Media: Avoid direct water jet if powder has pooled to prevent dispersing dust
Specific Hazards: Combustion may produce irritating fumes, though this compound is not highly flammable
Protective Equipment: Firefighters should wear self-contained breathing apparatus and chemical protective clothing
Personal Precautions: Use proper ventilation, avoid creating airborne dust, wear protective gloves and face protection
Environmental Precautions: Prevent bulk releases to drains or waterways
Clean-up Methods: Sweep up carefully, collect into a suitable container for proper disposal, ventilate area, wash away any residues with water
Handling: Avoid generating dust, wear appropriate protection, use only in well-ventilated environments, wash hands thoroughly after use
Storage: Store in a tightly closed original container, keep cool, dry, and away from incompatible substances such as strong oxidizers or acids
Incompatibilities: Strong bases, oxidizing agents, concentrated acids can cause decomposition or reaction
Occupational Exposure Limits: No established limits for sodium hydrogen tartrate, maintain airborne dust below nuisance particulate standards (10 mg/m³ for inhalable dust, 3 mg/m³ for respirable dust)
Eye Protection: Safety goggles or glasses
Skin Protection: Chemical resistant gloves, lab coat
Respiratory Protection: Dust mask or particulate respirator if dust levels high or workplace ventilation inadequate
Ventilation: General or local exhaust ventilation to minimize exposure
Appearance: White crystalline or granular powder
Odor: Odorless
pH: Around 3.5 (1% aqueous solution)
Melting Point: Decomposes before melting (~100°C, releases CO2)
Solubility in Water: Soluble (59 g/L at 20°C)
Relative Density: 1.76 g/cm³
Vapor Pressure: Not applicable
Boiling Point: Not applicable (decomposes on heating)
Flash Point: Not flammable
Partition Coefficient (n-octanol/water): Not determined
Chemical Stability: Stable at room temperature in sealed containers, away from direct sunlight
Reactivity: Can react with strong bases, acids, or oxidizing agents; decomposition could release irritant fumes (carbon monoxide, carbon dioxide)
Conditions to Avoid: Moisture, heat, incompatible materials
Hazardous Decomposition Products: Carbon monoxide, carbon dioxide, sodium oxide (if roasted at very high temperatures)
Likely Routes of Entry: Ingestion, inhalation, skin, and eye contact
Acute Toxicity: Low toxicity, oral LD50 (rat, estimated) > 2000 mg/kg
Skin/Eye Irritation: May cause mild irritation on contact
Specific Effects: Swallowing large amounts may cause gastrointestinal distress, such as nausea or diarrhea
Sensitization: Not considered a skin sensitizer
Chronic Toxicity: No evidence of lasting effects from typical laboratory exposure
Carcinogenicity, Mutagenicity, Reproductive Toxicity: Not listed by IARC, ACGIH, NTP, or OSHA as a carcinogen; no strong mutagenic or reproductive toxicity evidence reported
Ecotoxicity: Low concern for aquatic or terrestrial toxicity due to rapid biodegradation and low concentration in waste streams
Mobility: Soluble in water, disperses readily
Persistence/Degradability: Biodegradable
Bioaccumulation: Not expected to bioaccumulate
Other Adverse Effects: Bulk spills into waterways could shift local water pH slightly; minimize large-scale dumping
Disposal Methods: Dispose of via licensed chemical waste disposal contractor according to local, regional, and national regulations
Contaminated Packaging: Rinse containers thoroughly, recycle or dispose of as chemical waste
Avoid: Draining concentrated material into sewers or the environment, especially in large volumes
UN Number: Not regulated for ground, air, or sea transport
UN Proper Shipping Name: Not applicable
Hazard Class: Not classified as dangerous
Packing Group: Not assigned
Special Precautions: No special requirements; keep containers tightly closed and protected from moisture during transit
Transport Labels: None required nationally or internationally under ADR, IATA, IMDG
US Regulations: Not subject to reporting under SARA Title III, Section 313; not listed under TSCA as restricted
European Union: Not listed under REACH Annex XVII for restriction; no separate hazard labeling under GHS/CLP
Other Regions: Not classified as a hazardous chemical in Canada, Australia, Japan, South Korea
Workplace Controls: Good laboratory and industrial hygiene should be followed. Avoid unnecessary release, encourage proper storage and disposal, use PPE.
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