Product Name: Disodium Tartrate
CAS Number: 868-18-8
Chemical Formula: C4H4Na2O6·2H2O
Synonyms: Sodium Tartrate Dibasic Dihydrate, E335(ii)
Recommended Use: Analytical reagent, food additive, laboratory chemical
Manufacturer: Information available on request, usually laboratory suppliers
Contact Info: Emergency phone numbers and technical information provided by supplier or distributor
Classification: Not classified as hazardous under GHS criteria
Main Hazards: May cause mild irritation to eyes, skin, and respiratory system
Signal Word: None required
Hazard Statements: Dust may be mildly irritating if inhaled or comes into contact with skin/eyes
Pictograms: None specified for this substance under typical regulations
Precautionary Statements: Avoid breathing dust, wash hands after handling, use in well-ventilated area
Chemical Identity: Disodium Tartrate
Purity: Typically more than 99%
Impurities: Inorganic salts at trace levels based on manufacturer
Molecular Weight: 230.08 g/mol (Dihydrate form)
Inhalation: Move to fresh air, support breathing if necessary, seek attention if symptoms persist
Skin Contact: Wash exposed skin with soap and water, remove contaminated clothing, seek medical help if irritation occurs
Eye Contact: Rinse cautiously with water for several minutes, remove contact lenses if present, contact ophthalmologist if irritation continues
Ingestion: Rinse mouth, drink water if conscious, do not induce vomiting. If large amount swallowed or unwell, contact poison center or physician
Suitable Extinguishing Media: Water spray, foam, dry chemical, carbon dioxide
Special Hazards: Thermal decomposition produces oxides of carbon and sodium
Protective Equipment: Firefighters use self-contained breathing apparatus, protective clothing
Explosion Data: Dust may form combustible mixture in air under certain conditions; avoid dust accumulation
Personal Precautions: Use dust mask, chemical-resistant gloves, safety goggles
Environmental Precautions: Prevent entry into waterways, drains, or soil
Cleanup Method: Pick up spill using shovel or vacuum with HEPA filter; avoid generating dust; wash area with water after major clean-up
Handling: Minimize dust generation, avoid breathing powder, wear suitable protective equipment; use adequate ventilation
Storage: Store in cool, dry, well-ventilated area, away from incompatible materials like acids; keep container tightly closed
Incompatibilities: Strong acids, oxidizing agents, moisture
Exposure Limits: No established occupational exposure limits for disodium tartrate
Engineering Controls: Use local exhaust ventilation or laboratory fume hood
Personal Protective Equipment: Safety goggles, gloves made of rubber or nitrile, lab coat; use NIOSH-approved dust mask or respirator as necessary
Hygiene Measures: Wash hands thoroughly after handling, avoid eating, drinking or smoking in work area
Appearance: White crystalline powder or granules
Odor: Odorless
Melting Point: Decomposes above 170°C
Solubility: Soluble in water; insoluble in alcohol
pH: Aqueous solution typically mildly alkaline
Boiling Point: Not applicable (decomposes)
Density: About 1.79 g/cm³ (dihydrate form)
Vapor Pressure: Not applicable
Other Data: Stable under recommended storage conditions, does not polymerize
Chemical Stability: Stable under ambient and recommended storage conditions
Conditions to Avoid: Excessive heat, humidity, contact with strong acids
Incompatible Materials: Strong oxidizers, mineral acids
Hazardous Decomposition Products: Carbon monoxide, carbon dioxide, sodium oxides on combustion or thermal decomposition
Reactivity: No known hazardous reactions expected from normal use or storage
Routes of Exposure: Inhalation, ingestion, skin and eye contact
Acute Toxicity: Oral LD50 in rats estimated above 5000 mg/kg (low toxicity)
Potential Effects: May be mildly irritating to eyes, skin, and respiratory system; no sensitization data for humans
Chronic Effects: Not classified as carcinogen, mutagen, or reproductive toxin
Other Health Hazards: Substantial ingestion could potentially cause gastrointestinal upset, such as nausea or diarrhea
Aquatic Toxicity: Low expected toxicity to aquatic life; not classified as hazardous to the environment
Persistence and Degradability: Biodegradable in water and soil environments
Bioaccumulation: Not expected to bioaccumulate
Mobility in Soil: High mobility due to water solubility, will dilute and disperse in natural waters
Other Adverse Effects: No known significant environmental hazards when managed and disposed of responsibly
Waste Disposal Methods: Dissolve in water and flush in accordance with local, state, and federal regulations; larger quantities should be sent to licensed chemical disposal contractor
Container Disposal: Empty containers can be triple-rinsed and recycled or disposed of as non-hazardous waste if not contaminated with other substances
Environmental Precaution: Avoid discharge to sewers or surface water
UN Number: Not regulated as hazardous for transport
UN Proper Shipping Name: Not applicable
Transport Hazard Class: None
Packing Group: None
Environmental Hazards: Not a marine pollutant
Transport Precautions: Secure packaging to prevent leaks and dusting, handle with care to avoid breakage during shipment
OSHA Status: Not a hazardous chemical under OSHA, general duty to report and manage per local requirements
TSCA Status: Listed on US TSCA Inventory
DSL/NDSL (Canada): Listed
WHMIS: Not regulated as hazardous
EU Classification: Not classified as hazardous under Regulation (EC) No 1272/2008 (CLP)
Other Regulatory Information: Food-grade disodium tartrate permitted as food additive in the EU and US (E335); regulatory controls or permitted concentration levels may vary by region, always check local rules and product grade
Label Elements: Chemical labeling should align with local/occupational workplace regulations and good labelling practices even if non-hazardous
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