Product Name: (-)-Di-p-toluoyl-L-tartaric acid (Anhydrous)
Synonyms: DPTTA, L-Tartaric acid, di-p-toluoyl ester
Chemical Formula: C22H18O8
Recommended Use: Used in chiral resolution, pharmaceuticals, and fine chemical synthesis
Supplier Contact: Chemical supplier or manufacturer contact details, including phone and emergency number
CAS Number: 32634-68-7
Restrictions: For laboratory or research use, not for food, drug, or household applications
GHS Classification: Not classified as hazardous under GHS criteria
Signal Word: No signal word required
Hazard Statements: May cause mild skin or eye irritation on direct contact
Precautionary Statements: Avoid inhalation, ingestion, and prolonged skin contact; use personal protective equipment
Pictogram: None required
Route of Exposure: Inhalation, ingestion, eye and skin contact
Other Hazards: May cause dust formation; avoid creating airborne particulates
Environmental Impact: Not expected to be hazardous to the environment at low concentrations but prevent release to waterways
Chemical Name: (-)-Di-p-toluoyl-L-tartaric acid
Purity: 98%-100%
CAS Number: 32634-68-7
Molecular Weight: 410.38 g/mol
Impurities: Typically contains trace organic impurities below 1%
Additional Components: No hazardous ingredients present above cut-off level
Eye Contact: Flush eyes with water for at least 15 minutes, keeping eyelids open; seek medical attention if irritation persists
Skin Contact: Wash contact area thoroughly with soap and water; remove contaminated clothing; seek medical assistance for persistent irritation
Inhalation: Move person to fresh air; if breathing difficulty develops, consult a physician
Ingestion: Rinse mouth with water; do not induce vomiting; seek immediate medical attention
Notes to Physician: Treat symptomatically; no specific antidote identified
Suitable Extinguishing Media: Use foam, dry powder, or CO2 for small fires; water spray to cool fire-exposed containers
Special Hazards: Emits carbon oxides and other toxic fumes under fire conditions
Protective Equipment: Firefighters should wear self-contained breathing apparatus and full protective gear
Explosion Risks: Fine dust may form explosive mixtures with air; minimize dust generation
Other Information: Prevent runoff from entering drains or waterways; cool closed containers to avoid pressure build-up
Personal Protection: Supply proper ventilation; wear gloves, goggles, and dust mask
Spill Response: Avoid creating dust clouds; use a shovel or dustpan to collect solid material; sweep gently into disposal container
Clean-Up: Wash spill site with water after material pickup is complete
Environmental Precautions: Prevent further leakage or spillage if safe to do so; do not let material reach drains or watercourses
Disposal: Dispose of cleanup materials according to official regulations
Handling: Use in chemical fume hood if possible; avoid inhalation of dust or contact with skin and eyes; wear proper PPE
Storage: Store in tightly closed container; keep in a cool, dry, well-ventilated space away from incompatible substances like oxidizers and strong bases
Storage Conditions: Protect from light, moisture, and excessive heat; avoid freezing
Hygiene: Wash thoroughly after handling; keep containers tightly sealed
Occupational Exposure Limits: No specific values established; control exposure to the lowest feasible level
Engineering Controls: Use local exhaust ventilation to keep airborne concentrations below recommended limits
Respiratory Protection: Approved dust mask or respirator if exposure risk exists
Eye Protection: Tight-fitting safety goggles
Skin Protection: Chemical-resistant gloves and lab coat
General Hygiene: Wash hands before breaks, after handling, and at end of work
Appearance: White to off-white crystalline powder
Odor: Odorless
Melting Point: 187–192°C
Boiling Point: Decomposes
Density: ~1.45 g/cm3 at 20°C
Solubility: Insoluble in water; soluble in alcohol and chloroform
pH: Not applicable
Partition Coefficient: Not determined
Vapor Pressure: Negligible
Evaporation Rate: Not determined
Chemical Stability: Stable under normal temperatures and recommended storage conditions
Decomposition Risk: Decomposes under strong heating, producing carbon monoxide, carbon dioxide, and other toxic gases
Conditions to Avoid: High temperature, flames, moisture exposure
Incompatible Materials: Strong oxidizers, bases, and reducing agents
Polymerization: Hazardous polymerization does not occur
Acute Toxicity Data: No detailed human data available; low to moderate toxicity anticipated based on structure
Skin Contact: May cause irritation with redness and discomfort
Eye Contact: May cause irritation, tearing, or redness
Respiratory Exposure: Dust may cause respiratory tract irritation
Sensitization: No sensitization reported
Chronic Effects: Chronic exposure effects not well studied; avoid repeated contact
Carcinogenicity: Not classified as carcinogenic by IARC, NTP, or OSHA
Mutagenicity/Genotoxicity: Not tested
Other Risks: Not expected to present reproductive toxicity, but good laboratory hygiene is essential
Aquatic Toxicity: No testing data found; at laboratory scale, not anticipated to cause significant adverse effects
Environmental Fate: Expected to degrade slowly in environment; full breakdown and products not established
Bioaccumulation Potential: Not expected to bioaccumulate
Mobility: Limited due to low water solubility; will largely remain in solid phase on soil or sediment
Precautions: Prevent large amounts from entering natural water systems
Waste Treatment Methods: Dispose of product in accordance with federal, state, and local regulations; consult hazardous waste professional
Disposal Containers: Use sealed, clearly-labeled containers for waste
Contaminated Packaging: Treat empty containers with care; triple rinse and consider as hazardous waste if heavily contaminated
Disposal Recommendations: Avoid disposing in regular trash or drainage; use a licensed chemical disposal contractor
Regulatory Compliance: Follow hazardous chemical disposal guidelines as per local regulations to limit environmental harm
UN Number: Not classified as a dangerous good for transport
Transport Hazard Class: Not regulated
Packing Group: Not applicable
Proper Shipping Name: Not regulated; refer to product name
Environmental Hazards: Not identified as a marine pollutant
Special Precautions: Avoid spill and minimize dust formation during loading/unloading; secure container against breakage
US TSCA Inventory: Listed or complies
EU Reach Status: Not listed as a substance of very high concern
SARA/OSHA/California Prop 65: Not subject to reporting or labeling under these regulations
WHMIS Classification (Canada): Not regulated
Hazard Symbols: No hazard symbol required
Other Regulations: Observe workplace controls and hazard communications specific to local and national requirements
Providing high-quality chemical products and logistics solutions for global trade partners.
