Product Name: DL-Tartaric Acid Anhydrous
Chemical Name: 2,3-Dihydroxybutanedioic acid
Synonyms: Racemic Tartaric Acid
CAS Number: 133-37-9
EC Number: 205-105-7
Recommended Use: Used in food processing, pharmaceuticals, laboratory reagents, and as a chelating agent
Supplier: Manufacturer and distributor details provided on shipment documents
Emergency Contact: Refer to facility HSE or Poison Control Center
Classification: Eye Irritation Category 2A, Skin Irritation Category 2
Signal Word: Warning
Hazard Statements: Causes serious eye irritation; causes skin irritation
Pictograms: Exclamation mark
Precautionary Statements: Wash hands after handling; wear protective gloves and eye protection.
Health Hazards: Exposure causes irritation of eyes, skin, and respiratory tract.
Environmental Hazards: Not classified as hazardous to the environment in typical quantities used.
Chemical Name: DL-Tartaric Acid
Synonyms: 2,3-Dihydroxybutanedioic acid
Purity: >99% w/w
CAS Number: 133-37-9
Hazardous Components: No significant impurities relevant for hazard classification
EC Number: 205-105-7
Molecular Formula: C4H6O6
Molecular Weight: 150.09 g/mol
General Measures: Move affected person to fresh air and consult medical assistance for continued symptoms.
Inhalation: Remove victim to fresh air; provide oxygen or artificial respiration if symptoms develop; contact medical personnel.
Skin Contact: Wash immediately with soap and plenty of water for at least 15 minutes; remove contaminated clothing; consult a doctor if irritation persists.
Eye Contact: Flush eyes with plenty of water for several minutes, lifting eyelids occasionally; seek immediate medical attention if symptoms occur.
Ingestion: Rinse mouth thoroughly with water; do not induce vomiting; seek medical attention if large amounts are swallowed or symptoms persist.
Special Advice to Physician: Treat symptoms; symptomatic and supportive care recommended.
Suitable Extinguishing Media: Water spray, foam, carbon dioxide, dry chemical
Unsuitable Extinguishing Media: No restrictions found in typical incident scenarios
Hazardous Combustion Products: Carbon oxides, possible irritant fumes
Fire/Explosion Hazards: Not classified as flammable; dust may form explosive mixtures with air.
Protective Equipment for Firefighters: Full protective gear and self-contained breathing apparatus recommended
Special Procedures: Cool exposed containers with water mist to prevent overheating
General Advice: Avoid inhaling combustion or decomposition products
Personal Precautions: Use suitable protective clothing, gloves, and eye protection; avoid generating dust.
Environmental Precautions: Prevent runoff into drains or waterways; contain spill using inert absorbents.
Methods for Clean-up: Sweep up or vacuum material without generating dust, place in suitable waste containers; ventilate area.
Specific Restrictions: Do not allow significant contamination of soil, water, or drainage systems.
Reporting Requirements: Follow local regulations for reportable quantities and clean-up
Handling: Avoid breathing dust; use with adequate ventilation; wear suitable protective equipment; handle in accordance with good industrial hygiene practices.
Hygiene Practices: Wash hands and face before breaks and after handling.
Conditions for Safe Storage: Store in tightly closed containers; keep in a cool, dry, and well-ventilated area away from incompatible substances
Incompatible Materials: Strong oxidizers, strong bases, and reducing agents
Specific End Use(s): Consult the technical bulletin for downstream applications
Engineering Controls: Use local exhaust ventilation and process enclosures to control airborne dust.
Personal Protective Equipment: Safety glasses with side shields; chemical-resistant gloves; long sleeves/lab coats
Respiratory Protection: Wear approved dust respirators if airborne dust concentrations exceed exposure limits.
Exposure Limits: No specific occupational exposure limits established for DL-Tartaric Acid.
Environmental Controls: Avoid release to the environment; prevent dust accumulation.
Other Protective Measures: Use eyewash stations and safety showers in handling areas.
Appearance: White, crystalline powder
Odor: Odorless
pH: 2.1 (1% solution)
Melting Point: 206 – 212°C
Boiling Point: Decomposes before boiling
Flash Point: Not applicable
Evaporation Rate: Not applicable
Vapor Pressure: Negligible at ambient temperature
Solubility: Soluble in water, moderately in ethanol, practically insoluble in ether
Density: Approximately 1.76 g/cm³
Partition Coefficient (n-octanol/water): Not determined
Auto-ignition Temperature: Not self-igniting
Explosive Properties: No explosive properties reported
Oxidizing Properties: Not classified as oxidizing
Chemical Stability: Stable under normal ambient and anticipated storage conditions
Reactivity: No hazardous reactivity observed under normal handling conditions
Conditions to Avoid: Moisture, exposure to extreme heat, sources of ignition
Incompatible Materials: Strong oxidizing agents, bases, and reducing materials
Hazardous Decomposition Products: Carbon oxides, possible irritating fumes
Polymerization: Will not polymerize spontaneously under recommended conditions
Acute Toxicity: Oral LD50 (rat): 7300 mg/kg; not classified as acutely toxic in typical usage scenarios
Inhalation: Dust can cause respiratory tract irritation; prolonged exposure may aggravate pre-existing conditions.
Skin Contact: Causes irritation on direct or prolonged contact.
Eye Contact: Causes severe irritation; risk of eye damage with direct exposure.
Chronic Effects: No evidence of carcinogenicity, mutagenicity, teratogenicity, or reproductive toxicity documented in standard animal studies
Other Effects: Symptoms may include redness, itching, and discomfort.
Ecotoxicity: Not expected to be hazardous to the aquatic environment in small quantities; rapid biodegradability by typical environmental bacteria.
Persistence and Degradability: Readily biodegradable in aquatic environments
Bioaccumulative Potential: Low, based on molecular structure and water solubility
Mobility in Soil: High mobility expected; no significant adsorption anticipated.
Other Adverse Effects: No known significant effects on flora, fauna, or environmental compartments when used and disposed responsibly.
Disposal Methods: Dispose of in accordance with local, regional, and national regulations; use licensed waste disposal contractors.
Contaminated Packaging: Rinse before recycling or offer to an approved waste disposal facility.
Precautions: Avoid release to sewer systems and natural water bodies wherever possible.
Special Considerations: Empty containers retain product residue; observe precautions for handling residues.
Waste Codes: Refer to local, regional, or national hazardous waste classification.
UN Number: Not regulated as a dangerous good for transport
UN Proper Shipping Name: Not applicable
Transport Hazard Class: Not regulated
Packing Group: Not classified
Marine Pollutant: No
Special Precautions for User: Store and transport in tightly sealed, labeled containers; prevent moisture ingress.
Transport in Bulk: Follow recommendations for food-grade or chemical-grade materials outlined by relevant agencies.
OSHA Status: Not hazardous under OSHA Hazard Communication Standard
TSCA Inventory: Listed
EU Regulations: Listed in EINECS; subject to standard REACH registration
WHMIS Classification: Not controlled
Other International Regulations: Food additive approval in line with Codex Alimentarius and relevant national guidelines.
SARA Title III: Not listed as a reportable substance
Additional Labeling Requirements: Follow local, regional, and international chemical regulations and hazard communication practices for workplace safety.