Product Name: L(+)-Potassium Hydrogen Tartrate
Other Names: Cream of Tartar, Potassium Bitartrate
Chemical Formula: C4H5KO6
Molecular Weight: 188.18 g/mol
CAS Number: 868-14-4
Recommended Use: Acidulant, culinary uses, laboratory reagent, wine industry
Manufacturer: Various chemical suppliers and food ingredient companies
Contact Information: Refer to company-specific MSDS
GHS Classification: Not classified as hazardous according to OSHA Hazard Communication Standard
Acute Health Hazards: May cause minor irritation to eyes, skin, or respiratory tract on prolonged or repeated contact
Chronic Health Hazards: Prolonged exposure to high concentrations is uncommon but may result in mild irritation, no strong evidence for severe long-term effects
Potential Environmental Effects: Not expected to present significant hazard in normal handling and use
Signal Word: None
Hazard Statements: May cause slight irritation
Precautionary Statements: Avoid breathing dust, wash hands after handling, avoid contact with eyes
Chemical Identity: Potassium Hydrogen Tartrate
Synonyms: Monopotassium tartrate, Cream of tartar
Purity: >99%
Hazardous Components: None present at levels above threshold limits
Additives or Impurities: Negligible, material is typically used in food and lab-grade applications
Inhalation: Move to fresh air and seek medical attention if symptoms such as coughing persist
Skin Contact: Wash with soap and water, remove contaminated clothing
Eye Contact: Rinse with plenty of water for at least 15 minutes, seek medical advice if redness or irritation persists
Ingestion: Rinse mouth out, drink water to dilute, seek medical attention if large quantities ingested or if symptoms occur
Most Important Symptoms: Mild irritation of eyes, skin, throat
Note to Physician: Symptomatic and supportive care only, no specific antidote required
Suitable Extinguishing Media: Use water spray, foam, dry chemical, or carbon dioxide
Specific Hazards from Fire: Emits carbon oxides and potassium oxides under fire conditions
Special Protective Equipment: Firefighters should wear self-contained breathing apparatus and full protective clothing if involved in fire
Unusual Fire or Explosion Hazards: Fine dust may form explosive mixtures with air in extreme conditions
Advice for Firefighters: Use standard procedures, avoid inhalation of combustion products, evacuate area if necessary
Personal Precautions: Avoid breathing dust, use personal protective equipment listed below
Environmental Precautions: Prevent large quantities from entering drains or waterways
Methods for Cleanup: Sweep up and collect using a suitable dust-collecting method, avoid creating dust clouds, place in labeled containers for proper disposal
Spill Response: Ventilate area, rinse spill site after thorough cleaning
Recommendations: Use containment to avoid spreading, ensure thorough cleanup to avoid slip hazards
Handling: Use proper personal protection, avoid generating or breathing dust, practice good hygiene after handling
Technical Measures: Use in well-ventilated area, keep containers tightly closed when not in use
Storage Conditions: Store in cool, dry, well-ventilated place, protect from moisture, incompatible materials include strong oxidizers
Storage Life: Stable under recommended storage, avoid long-term exposure to humidity or heat
Incompatible Products: Strong acids, strong bases, strong oxidizing agents
Exposure Limits: No established occupational exposure limits for this compound
Engineering Controls: Use local exhaust ventilation if dust is generated, ensure eye wash stations are available
Eye Protection: Safety goggles or glasses
Hand Protection: Protective gloves, nitrile or latex recommended
Respiratory Protection: Dust mask or respirator if airborne dust levels become significant
Other Protection: Lab coat or long sleeves, avoid eating, drinking, or smoking in handling area
Appearance: White, odorless, crystalline powder
Melting Point: Decomposes above 220°C (428°F)
Solubility in Water: Slightly soluble at room temperature
Molecular Weight: 188.18 g/mol
pH (1% solution): 3.5 – 4.5
Odor: None
Density: 1.954 g/cm³
Vapor Pressure: Not applicable
Partition Coefficient: Not available
Boiling Point: Not applicable (decomposes)
Chemical Stability: Stable under normal conditions
Reactivity: Reacts with strong oxidizing agents, acids, and bases
Conditions to Avoid: Exposure to moisture, heat, incompatible chemicals
Incompatible Materials: Strong oxidizing agents, strong acids, strong bases
Hazardous Decomposition Products: Carbon oxides, potassium oxides, decomposition above melting point
Polymerization: Does not occur
Routes of Exposure: Inhalation, skin and eye contact, ingestion
Acute Toxicity: Low, may induce mild irritation
LD50 (oral, rat): >2000 mg/kg (estimated)
Chronic Toxicity: No evidence of significant toxicity at typical exposure levels
Effects on Skin: Possible redness or irritation
Effects on Eyes: May cause stinging or redness
Carcinogenicity: Not listed as carcinogen by IARC, NTP, ACGIH, or OSHA
Mutagenicity: No known significant effects
Reproductive Toxicity: No evidence of reproductive hazards
Ecotoxicity: Considered low, material is used in food and can break down in the environment
Mobility in Soil: Moderate, water solubility is low to moderate
Persistence and Degradability: Biodegradable in nature, expected to degrade in environment
Bioaccumulative Potential: Low, not expected to bioaccumulate
Aquatic Toxicity: Not anticipated to be harmful to aquatic life at typical concentrations
Other Adverse Effects: None known
Waste Disposal Methods: Collect in tightly sealed containers, follow local, regional, and national disposal regulations, landfill or incineration possible where permitted
Contaminated Packaging: Rinse and dispose as non-hazardous waste if facility allows
Precautions: Avoid releasing large amounts into the environment or sewage systems
Recycling: Not routinely recycled due to nature of chemical
UN Number: Not regulated as hazardous for transport
UN Proper Shipping Name: L(+)-Potassium Hydrogen Tartrate
Transport Hazard Class: Not regulated
Packing Group: Not applicable
Environmental Hazards: Not classified as a marine pollutant
Special Precautions: None required for standard shipping, use dry containers, avoid moisture
DOT, IMDG, ICAO/IATA Regulations: Not classified as dangerous goods by any major transport regulatory body
TSCA Status: Listed
FDA Status: Generally Recognized as Safe (GRAS) for food use
OSHA Hazard Communication: Not classified as hazardous
DSL/NDSL (Canada): Listed
REACH Status (EU): Registered or exempt
SARA Title III: Not subject to reporting
California Proposition 65: Not listed
Other National Inventories: Present on inventory lists in most major countries
Providing high-quality chemical products and logistics solutions for global trade partners.
