Chemical Name: Potassium bitartrate
Synonyms: Cream of Tartar, Potassium Hydrogen Tartrate
CAS Number: 868-14-4
Molecular Formula: C4H5KO6
Molecular Weight: 188.18
Recommended Use: Leavening agent in baking, food additive, lab reagent
Manufacturer Contact: Emergency phone numbers and address of manufacturer are printed on the container label and official documentation
Classification: Not classified as hazardous under GHS
Physical Hazards: None under normal conditions
Health Hazards: May cause mild respiratory or skin irritation. Prolonged exposure can irritate eyes and mucous membranes. Ingestion may cause gastrointestinal discomfort
Signal Word: None
Pictograms: None required
Precautionary Statements: Avoid breathing dust, wash hands thoroughly after handling, avoid contact with skin and eyes, use personal protective equipment recommended for chemicals
Chemical Name: Potassium bitartrate
Common Name: Cream of tartar
Percent: 99% or greater
Impurities: Trace amounts of moisture and other potassium salts
CAS Number: 868-14-4
Inhalation: Remove person to fresh air, keep comfortable for breathing, seek medical attention if symptoms occur
Skin Contact: Wash skin with soap and water for at least 15 minutes, remove contaminated clothing, consult a physician if irritation develops
Eye Contact: Immediately flush eyes with plenty of water for several minutes, remove contact lenses if present and easy to do so, get medical help if irritation persists
Ingestion: Rinse mouth with water, do not induce vomiting, seek medical advice if discomfort or symptoms persist
Suitable Extinguishing Media: Water spray, dry chemical, carbon dioxide, foam
Unsuitable Extinguishing Media: No restrictions known
Specific Hazards: During thermal decomposition, it can release carbon oxides, potassium oxides
Special Protective Equipment for Firefighters: Use self-contained breathing apparatus and full protective gear
Fire/Explosion Hazards: Product does not ignite easily, keep containers cool, avoid inhalation of any fumes produced
Personal Precautions: Avoid dust formation, wear protective clothing, ensure adequate ventilation
Environmental Precautions: Prevent entry into drains, waterways, or soil
Methods for Clean-up: Sweep up material, avoid creating dust, collect in a suitable container for disposal, wash spill area with water after removal
Handling: Prevent dust formation, use in a well-ventilated area, do not eat, drink, or smoke when using this substance, maintain good industrial hygiene
Storage: Store in tightly closed containers in a cool, dry, well-ventilated area, keep from incompatible materials such as strong bases and oxidizing agents, avoid exposure to moisture
Occupational Exposure Limits: No specific exposure limits established
Engineering Controls: Use local exhaust or general dilution ventilation, keep exposure below nuisance dust threshold if possible
Personal Protective Equipment: Protective gloves, safety goggles, respiratory protection if dust forms, protective clothing to avoid skin contact
Hygiene Measures: Wash hands and face after handling, do not eat, drink, or smoke when working with chemical powders
Appearance: White, crystalline powder
Odor: Odorless
Odor Threshold: Not applicable
pH: 3.5–4.5 (1% solution)
Melting Point: Decomposes at 220°C
Boiling Point: Not applicable
Flash Point: Not combustible
Evaporation Rate: Not applicable
Flammability: Non-flammable
Vapor Pressure: Negligible
Solubility in Water: Slightly soluble (6.6 g/L at 20°C)
Partition Coefficient (n-octanol/water): Not determined
Vapor Density: Not applicable
Relative Density: 1.954 g/cm³ (at 20°C)
Decomposition Temperature: Greater than 220°C
Viscosity: Not applicable
Chemical Stability: Stable under recommended storage and handling conditions
Reactivity: No dangerous reactions known under normal conditions
Possibility of Hazardous Reactions: May react with strong bases to form potassium carbonate and carbon dioxide
Incompatible Materials: Strong oxidizing agents, strong bases
Hazardous Decomposition Products: Carbon monoxide, carbon dioxide, potassium oxides upon thermal decomposition
Likely Routes of Exposure: Inhalation, skin and eye contact, ingestion
Acute Toxicity: Low toxicity, large ingestion can cause nausea or stomach upset
Skin Corrosion/Irritation: Can cause mild irritation on prolonged contact
Eye Damage/Irritation: May irritate eyes
Respiratory Sensitization: Inhalation of dust may cause mild irritation to respiratory tract
Chronic Effects: No evidence of chronic toxicity under typical conditions of use
Carcinogenicity, Mutagenicity, Reproductive Toxicity: Not listed as carcinogen, no evidence of mutagenic or reproductive effects
Ecotoxicity: Not expected to be hazardous to aquatic or terrestrial environments
Persistence and Degradability: Degrades naturally, component of many foods
Bioaccumulative Potential: Not bioaccumulative
Mobility in Soil: Soluble in water, will move through soil based on water solubility
Other Adverse Effects: Product should not present environmental hazard in small quantities; always avoid large-scale release to the environment
Product Disposal: Dispose of in accordance with local, regional, national, and international regulations; chemical waste generators must properly determine the hazards of waste
Container Disposal: Rinse containers thoroughly before recycling or disposal; follow community or regional waste handling recommendations
Special cautions: Avoid disposal into sewage systems or natural waterways
UN Number: Not regulated for transport
Proper Shipping Name: Not classified as dangerous goods
Transport Hazard Class: Not applicable
Packing Group: Not applicable
Environmental Hazards: Not expected to pose transportation environmental hazard
Special Precautions: Secure packaging to prevent damage and accidental release during shipment
Additional Information: Ensure compliance with regulations for all modes of transport
Inventory Listings: Listed on TSCA, EINECS, DSL, and AICS
Regulations: Approved as a food additive by FDA (21CFR184.1077); has GRAS status in the United States
Hazard Symbols: Not classified as hazardous by OSHA, WHMIS, or EU GHS standards
Labeling Requirements: No special labeling required for consumer use, standard workplace chemical labeling for industrial or laboratory use
Other: Observe all applicable country, state, and local guidelines and best practices for workplace chemical handling
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