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Product Name: Potassium Antimonyl Tartrate Hemihydrate
Synonyms: Potassium Antimony(III) Tartrate Hemihydrate, Tartar Emetic, Potassium Antimony Tartrate
CAS Number: 28300-74-5
EC Number: 608-019-2
Molecular Formula: C4H4KO7Sb·0.5H2O
Molecular Weight: 333.92 g/mol
Recommended Use: Laboratory reagent, chemical synthesis, veterinary medicine
Supplier: Commercial laboratory reagent providers
GHS Classification: Acute Toxicity (Oral) Category 2, Acute Toxicity (Dermal) Category 2, Acute Toxicity (Inhalation) Category 2, Eye Damage/Irritation Category 2A
Hazard Statements: Fatal if swallowed, in contact with skin, or if inhaled; Causes serious eye irritation
Signal Word: Danger
Pictograms: Skull and Crossbones, Exclamation Mark
Precautionary Statements: Wear protective gloves, protective clothing, eye protection; Wash hands thoroughly after handling; Keep container tightly closed; Do not eat, drink, or smoke when using this product
Chemical Name: Potassium Antimonyl Tartrate Hemihydrate
Concentration: ≥ 98%
Impurities: May contain trace metal contaminants
Ingredient Classification: Antimony compound, potassium salt, tartaric acid derivative
Ingestion: Seek medical attention immediately; rinse mouth with water if conscious; do not induce vomiting
Inhalation: Move person to fresh air; provide artificial respiration if not breathing; seek immediate medical attention
Skin Contact: Remove contaminated clothing; wash skin thoroughly with mild soap and water; get medical help
Eye Contact: Flush eyes with plenty of water for at least 15 minutes; lift eyelids occasionally; obtain medical attention immediately
Key Symptoms: Severe irritation, nausea, vomiting, abdominal pain, dizziness, convulsions
Suitable Extinguishing Media: Use water spray, dry chemical, foam, or carbon dioxide
Specific Hazards Arising: Emits toxic fumes of potassium oxides, antimony oxides, and carbon oxides under fire conditions
Protective Equipment for Firefighters: Self-contained breathing apparatus, full protective clothing
Advice: Avoid inhaling combustion fumes; stay upwind; prevent contaminated water runoff
Personal Precautions: Use suitable respiratory protection, chemical-resistant gloves, and protective clothing
Environmental Precautions: Prevent entry to sewers and waterways; inform local authorities of significant spillage
Spill Clean-Up Methods: Sweep up without generating dust; place in properly labeled container for disposal; ventilate affected area; wash spill site after material pick-up
Safe Handling Advice: Work in well-ventilated areas; avoid dust formation; use fume hood; avoid skin and eye contact
Storage Conditions: Store in tightly closed containers, in a cool, dry, well-ventilated space; keep away from acids, oxidizers, and foodstuffs
Incompatible Materials: Strong acids, strong oxidizing agents
Hygiene Measures: Wash hands after handling; do not eat, drink, or smoke during use
Occupational Exposure Limits: Antimony compounds TWA 0.5 mg/m³ (ACGIH, OSHA)
Engineering Controls: Use exhaust ventilation, fume hoods, and closed handling systems to limit exposure
Personal Protective Equipment: Chemical-resistant gloves, lab coats, tightly fitting safety goggles, respiratory protection (NIOSH-approved for dust/mist)
Environmental Controls: Use containment to avoid environmental contamination
Appearance: White crystalline powder
Odor: Odorless
Odor Threshold: Not applicable
pH: Neutral to slightly acidic (in water)
Melting Point: Decomposes
Boiling Point: Not applicable
Flash Point: Not flammable
Evaporation Rate: Not determined
Flammability: Non-flammable
Vapor Pressure: Negligible
Solubility: Soluble in water
Partition Coefficient (n-octanol/water): Not available
Autoignition Temperature: Not applicable
Decomposition Temperature: >200°C
Viscosity: Not applicable
Density: 2.6 g/cm³
Chemical Stability: Stable under recommended conditions
Hazardous Reactions: May react with strong acids or oxidizers, producing toxic gases
Conditions to Avoid: Strong heat, moisture, incompatibles
Decomposition Products: Toxic fumes of potassium oxide, carbon oxides, antimony oxides
Polymerization: Will not occur
Routes of Exposure: Inhalation, ingestion, skin contact, eye contact
Acute Toxicity: LD50 (oral, rat): 115 mg/kg; LD50 (dermal, rabbit): 300 mg/kg
Chronic Effects: Damage to liver, kidneys, heart with repeated exposure
Symptoms: Gastrointestinal distress, headache, convulsions, cyanosis, possible death
Carcinogenicity: Not classified as a human carcinogen, but antimony compounds suspected
Mutagenicity: Data insufficient
Reproductive Toxicity: Studies have shown potential effects on fertility in animals
Sensitization: May cause allergic skin reactions
Ecotoxicity: Highly toxic to aquatic life; antimony compounds disrupt aquatic environments
Persistence and Degradability: Persists in the environment; not readily biodegradable
Bioaccumulation Potential: Antimony may bioaccumulate in aquatic and terrestrial organisms
Mobility in Soil: Moderately mobile; risk of groundwater contamination
Other Adverse Effects: Toxic to plants and animals even at low concentrations
Waste Disposal Methods: Dispose of contents/container at hazardous waste treatment facilities; do not allow into drains or natural water sources
Contaminated Packaging: Treat as hazardous material; do not reuse containers
Regulations: Disposal must comply with local, regional, national, and international regulations
Handling After Use: Neutralize and collect waste with appropriate protective equipment
UN Number: 1551
UN Proper Shipping Name: Antimony compound, n.o.s. (Potassium antimonyl tartrate)
Transport Hazard Class: 6.1 (Toxic substances)
Packing Group: II
Labels: Toxic
Special Precautions for User: Avoid release during transport; keep away from incompatible substances; minimize movement of containers; use secondary containment
US Federal Regulations: Subject to OSHA Hazard Communication Standard; listed on TSCA Inventory; SARA 313 (antimony compounds), CERCLA (antimony compounds reportable quantity 5,000 lbs.)
EU Regulations: Classified under REACH and CLP; requires safety assessment and workplace controls
Canada: WHMIS classification D1A (Very Toxic), D2B (Irritant)
Other Country Regulations: Handled as a hazardous material globally due to high toxicity
Label Requirements: Hazard pictograms, risk phrases, precautionary statements in accordance with GHS
