Product Name: DL-Tartaric Acid Monohydrate
Chemical Name: 2,3-Dihydroxybutanedioic acid, monohydrate
CAS Number: 5949-29-1
EC Number: 201-069-1
Molecular Formula: C4H6O6·H2O
Recommended Use: Acidulant in food, chemical reagent, pharmaceutical intermediate
Supplier Details: Name, address, emergency phone
Synonyms: Racemic Tartaric acid monohydrate
Classification: Eye irritation (Category 2A), Skin irritation (Category 2)
Signal Word: Warning
Hazard Statements: Causes serious eye irritation, causes skin irritation
Precautionary Statements: Wear protective gloves/eye protection/face protection; wash skin thoroughly after handling; avoid breathing dust
GHS Label Elements: Exclamation mark pictogram
Potential Health Effects: Irritation to eyes, skin, and respiratory tract; ingestion may lead to gastrointestinal discomfort including nausea or vomiting
Chemical Identity: DL-Tartaric Acid Monohydrate
Concentration: >99% by weight
Hazard Components: DL-Tartaric Acid Monohydrate (CAS 5949-29-1)
General Advice: Move out of exposure area; seek fresh air
Inhalation: Move victim to fresh air, monitor breathing; obtain medical advice if symptoms occur
Skin Contact: Rinse affected area with water, remove contaminated clothing; wash with soap and water
Eye Contact: Rinse cautiously with water for several minutes; remove contact lenses if present and easy to do; seek medical attention for persistent irritation
Ingestion: Rinse mouth with water; drink water to dilute; avoid inducing vomiting; get medical help if feeling unwell
Suitable Extinguishing Media: Water spray, foam, dry chemical, carbon dioxide
Unsuitable Extinguishing Media: None known for small or isolated fires
Hazardous Combustion Products: Carbon monoxide, carbon dioxide, organic acids
Special Protective Equipment: Firefighters use self-contained breathing apparatus (SCBA) and full protective gear
Fire Hazards: Combustible dust if dispersed in air in sufficient concentrations; risk of explosion if accumulated in confined spaces
Personal Precautions: Ventilate area; avoid creating dusty conditions; wear suitable personal protective equipment
Environmental Precautions: Prevent spillage from entering drains, surface waters, or soil
Cleaning Methods: Collect spill using non-sparking tools, scoop material into dry, labeled containers; avoid dry sweeping; dispose in accordance with regulations
Emergency Procedures: Evacuate personnel if significant dust release
Handling: Minimize dust generation and accumulation; avoid contact with eyes, skin, and clothing; use with adequate ventilation
Storage Conditions: Store in a cool, dry, well-ventilated place; keep containers tightly closed; avoid storing with oxidizing agents or strong bases
Incompatibilities: Strong oxidizers, strong alkalis
Hygiene Measures: Wash hands thoroughly after handling; do not eat, drink, or smoke in work areas
Engineering Controls: Use process enclosures, local exhaust ventilation, or other engineering controls to keep airborne levels below recommended exposure limits
Respiratory Protection: Use NIOSH-approved dust mask or respirator if dust exposure is likely
Hand Protection: Chemical-resistant gloves (nitrile, rubber, or PVC)
Eye/Face Protection: Safety goggles or face shield
Skin/Body Protection: Laboratory coat or protective garment
Exposure Limits: No specific occupational exposure limit established for DL-Tartaric Acid Monohydrate; apply general nuisance dust limits (e.g., OSHA PEL for Particulates Not Otherwise Regulated: 15 mg/m³ total dust, 5 mg/m³ respirable)
Appearance: White, crystalline powder
Odor: Odorless
Odor Threshold: Not available
pH: Acidic
Melting Point: Decomposes at approximately 206°C
Boiling Point: Not applicable (decomposes)
Flash Point: Not flammable
Evaporation Rate: Not applicable
Flammability: Non-flammable solid
Vapor Pressure: Negligible
Vapor Density: Not available
Solubility: Soluble in water (139g/L at 25°C), slightly soluble in alcohol
Partition Coefficient (log Kow): -2.23
Auto-ignition Temperature: Not applicable
Decomposition Temperature: Above 150°C
Density: 1.76 g/cm³
Molecular Weight: 182.14 g/mol (monohydrate)
Chemical Stability: Stable under recommended storage and handling conditions
Conditions to Avoid: Heat, humidity, sources of ignition, dust accumulation
Incompatible Materials: Strong oxidizing agents, strong bases
Hazardous Decomposition Products: Carbon dioxide, carbon monoxide, organic acids
Polymerization: Will not occur under standard conditions
Routes of Exposure: Inhalation, skin contact, eye contact, ingestion
Acute Toxicity: Oral LD50 (rat): 4,200 mg/kg
Skin Corrosion: May cause mild irritation in individuals with sensitive skin
Eye Damage/Irritation: Causes eye irritation, redness, tearing
Respiratory or Skin Sensitization: Not classified as a sensitizer
Chronic Effects: No chronic toxicity or carcinogenicity data for DL-Tartaric Acid Monohydrate in humans
Mutagenicity: No evidence of mutagenic effects
Carcinogenicity: Not classified as carcinogenic by IARC, NTP, OSHA, or ACGIH
Ecotoxicity: Expected low toxicity to aquatic life due to rapid biodegradability; aquatic LC50 (fish, 96h): 100-120 mg/L
Persistence and Degradability: Readily biodegradable under aerobic conditions
Bioaccumulative Potential: Low, based on log Kow
Mobility in Soil: High mobility, soluble in water
Other Adverse Effects: Does not contain substances known to cause significant environmental hazards
Waste Treatment: Collect and contain material for proper disposal
Disposal Method: Dispose of in accordance with local, regional, national, and international regulations for chemical waste
Container Disposal: Rinse thoroughly before recycling or disposing; follow legal requirements
Contaminated Packaging: Dispose in compliance with relevant authorities’ instructions
UN Number: Not regulated as hazardous
Proper Shipping Name: Not classified as dangerous goods under international transport regulations
Transport Hazard Class: Not applicable
Packing Group: Not applicable
Marine Pollutant: No
Special Precautions for Transport: Avoid conditions that may cause bags or containers to rupture or release dust
TSCA: Listed in the US Toxic Substances Control Act (TSCA) Inventory
REACH Registration: Exempted in Europe for food and pharmaceutical uses, otherwise registered
SARA Title III: Not subject to reporting under Section 302/313
DSL/NDSL (Canada): Listed
Other Country Inventory Status: Listed in Australia (AICS), China (IECSC), Japan (ENCS), Korea (KECI), Philippines (PICCS), New Zealand (NZIoC)
Labeling Requirements: Conform to regional/territorial chemical safety and health labeling laws
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