Product Name: Sodium Dihydroxytartrate
Chemical Formula: C4H4Na2O6·2H2O
Other Names: Disodium dihydroxytartrate, Disodium tartrate monohydrate
CAS Number: 6106-24-7
Recommended Uses: Analytical reagent, food additive (used in the food industry as an emulsifier or buffer), pharmaceuticals, and laboratory chemicals
Supplier Contact: Manufacturer or distributor’s address and emergency contact phone number
Synonyms: Sodium L-tartrate, E335(ii)
GHS Classification: Not classified as hazardous under GHS
Hazard Statements: May cause mild eye and skin irritation on contact. Dust may irritate respiratory system
Pictograms: No symbol required for low hazard materials
Precautionary Statements: Avoid breathing dust or powder. Wash hands thoroughly after handling. Use with adequate ventilation
Potential Health Effects: Short-term exposure causes minor irritation to eyes, skin, and throat. No known chronic effects from anticipated use. Persons with allergies might notice skin reactions
Component: Sodium Dihydroxytartrate
Chemical Name: Disodium tartrate dihydrate
CAS Number: 6106-24-7
Concentration: >99%
Impurities: Trace quantities of related tartrate salts, water content
Inhalation: Move to fresh air, seek medical advice if symptoms persist. Remove source of exposure if safe to do so
Skin Contact: Remove contaminated clothing, rinse skin with plenty of water. Wash using soap. Seek medical attention if irritation develops
Eye Contact: Immediately flush eyes with plenty of water for several minutes. Remove contact lenses, continue rinsing. Seek medical help if discomfort continues
Ingestion: Rinse mouth with water, do not induce vomiting. Drink water to dilute. Seek medical help if symptoms arise, especially nausea or discomfort
Suitable Extinguishing Media: Use water spray, carbon dioxide (CO₂), dry chemical powder, or foam. Choose media suitable for surrounding fire
Unusual Fire or Explosion Hazards: Product not combustible. Combustion may produce carbon oxides and sodium oxides
Special Protective Equipment: Firefighters should wear self-contained breathing apparatus and full protective clothing. Avoid inhaling gases produced in fire
Firefighting Guidelines: Prevent runoff from entering drains or watercourses. Cool down containers exposed to fire with water spray
Personal Precautions: Wear gloves, goggles, and dust mask if powder is airborne. Ensure adequate ventilation
Environmental Precautions: Prevent entry into waterways or drains. Contain spillage using inert absorbent material
Cleanup Method: Sweep up material and place in properly labeled container for disposal. Wash area with water after pickup
Emergency Procedures: Evacuate unnecessary personnel. Follow local spill response protocols
Handling Notes: Avoid creating dust. Do not eat, drink, or smoke in use area. Handle with clean, dry tools. Wash hands after use
Storage Conditions: Store in tightly closed container. Keep in a cool, dry, well-ventilated location away from strong acids. Recommended temperature 15–25 °C
Incompatible Materials: Strong oxidizers, strong acids. Moisture can cause product to cake
Technical Measures: Use in areas with local exhaust ventilation. Do not store near food or beverages
Occupational Exposure Limits: No specific limits established for sodium dihydroxytartrate. Avoid prolonged inhalation of dust
Engineering Controls: Use process enclosures, local exhaust ventilation or other engineering controls to keep airborne levels below nuisance limits
Personal Protective Equipment (PPE): Safety glasses or goggles, gloves made from PVC or rubber, long sleeves, and respiratory protection (dust mask or respirator) in dusty conditions
Hygiene Practices: Change contaminated clothing. Wash hands and face before breaks and after handling
Appearance: White crystalline powder
Odor: Odorless
Melting Point: Decomposes at approximately 220°C
Solubility: Soluble in water, slightly soluble in alcohol
Density: About 1.79 g/cm³
pH (1% solution): Approximately 7.0 – 8.5
Boiling Point: Not applicable
Vapor Pressure: Not significant
Other Data: Stable at recommended storage and handling conditions. Avoid moisture exposure to prevent clumping
Chemical Stability: Stable under standard storage and handling. Will not polymerize
Conditions to Avoid: Excess heat, exposure to moisture, and contact with strong oxidizers or acids
Incompatible Materials: Strong acids, strong oxidizing agents. May react with acids to yield acidic gases
Hazardous Decomposition Products: At elevated temperature may release carbon oxides, sodium oxide, water vapor
Acute Toxicity: Not expected to be toxic by oral, inhalation, or dermal routes based on available data. LD50 (oral, rat) >2000 mg/kg
Skin and Eye Irritation: Dust may cause mild irritation on contact. Eye contact may result in temporary discomfort
Respiratory Effects: Repeated or prolonged exposure to high concentrations of dust may irritate respiratory tract
Chronic Exposure: No known long-term effects. No carcinogenicity, mutagenicity, or reproductive toxicity reported
Medical Conditions Aggravated: Individuals with pre-existing respiratory conditions may experience increased symptoms upon exposure
Ecotoxicity: No known significant environmental hazards. Expected to be low in toxicity to aquatic and terrestrial organisms
Persistence and Degradability: Readily biodegradable in natural conditions. Hydrolyzes in water, breaking down to non-hazardous components
Bioaccumulation: Potential for bioaccumulation is low
Mobility in Soil: High solubility in water means it can be mobile in soil with risk of leaching to groundwater
Other Adverse Effects: No evidence of ozone depletion, photochemical smog contribution, or greenhouse gas potential
Waste Disposal Methods: Dispose of in accordance with local, regional, and national regulations. Small quantities can be diluted with water and flushed into sanitary sewer with copious water (as permitted by local regulations)
Contaminated Packaging: Unclean containers should be rinsed thoroughly and disposed of or recycled according to regulations
Special Precautions: Do not allow product, either as concentrate or dilute solution, to enter public sewers, storm drains, or natural waterways. Consult environmental authorities for large spills or disposal
UN Number: Not regulated for transport
Proper Shipping Name: Not a dangerous good under transport regulations
Transport Hazard Class: Not applicable
Packing Group: Not applicable
Environmental Hazards: Not classified as marine pollutant
Special Precautions: Store in original packaging, away from sources of moisture during transport
TSCA: Listed on the United States TSCA inventory
REACH: Registration required within the European Union for certain quantities
OSHA Classification: Not classified as hazardous under OSHA Hazard Communication Standard (29 CFR 1910.1200)
SARA Title III: Not subject to reporting under Section 313
FDA Status: Permitted as a food additive (E335), but within prescribed limits
Labeling Requirements: Standard chemical package labeling. Include hazard and precautionary statements based on end use and workplace risk assessment
Other National Inventories: Included in AICS (Australia), DSL (Canada), ENCS (Japan), PICCS (Philippines), and other major registries
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