Product Name: (-)-Di-p-toluoyl-(L)-tartaric acid monohydrate anhydrous
Chemical Formula: C18H16O8 · H2O
Common Names: DPTTA-L-mono
CAS Number: 32634-66-5
EC Number: 251-149-6
Recommended Use: Chiral resolving agent, laboratory reagent, specialty synthesis
Supplier: Laboratory chemical providers
Contact Information: See safety supplier for current emergency contact and technical support
Classification: Not classified as hazardous under GHS, but dust irritation may occur
Signal Word: No signal word required by GHS
Hazard Statements: May cause mild irritation to the skin, eyes, and respiratory tract
Precautionary Statements: Avoid breathing dust. Use adequate ventilation. Wear suitable protective clothing.
Potential Effects: Prolonged exposure may lead to dryness or mild dermatitis. Eye contact can cause irritation and redness. Inhalation of high concentrations of dust may cause coughing and throat discomfort.
Pictograms: Not required for non-hazardous chemical classification
Chemical Name: (-)-Di-p-toluoyl-(L)-tartaric acid monohydrate anhydrous
Synonyms: L-tartaric acid, di-p-toluoyl ester, L-(+)-DPTTA
Concentration: ≥99%
Impurities: Trace organic acids, residual solvents (if any) at <0.1% by weight
Additives: No stabilizing additives present
Inhalation: Move individual to fresh air. Provide oxygen if breathing is difficult. Seek medical advice if symptoms persist.
Skin Contact: Wash skin thoroughly with soap and water. Remove contaminated clothing and launder before reuse.
Eye Contact: Rinse cautiously with water for at least 15 minutes, holding eyelids open. Remove contact lenses if present. Continue rinsing and call a doctor if irritation develops.
Ingestion: Rinse mouth with water. Do not induce vomiting unless advised by medical personnel. Get medical attention if feeling unwell.
Most Important Symptoms: Irritation, redness, coughing, discomfort
Suitable Extinguishing Media: Use water spray, dry chemical, carbon dioxide, or alcohol-resistant foam.
Special Hazards: Combustion may release carbon monoxide, carbon dioxide, and organic vapors. Dust can form explosive mixtures with air in high concentrations.
Protective Equipment for Fire-fighters: Wear self-contained breathing apparatus, full protective clothing.
Special Procedures: Remove containers from area if it is safe. Cool nearby containers with water spray to prevent rupture. Avoid direct runoff to water sources.
Personal Precautions: Wear dust mask, chemical-resistant gloves, and safety goggles.
Environmental Precautions: Prevent entry into drains, sewers, or waterways.
Containment: Avoid dispersing dust in the air. Sweep or scoop spilled material into containers for recovery or disposal.
Cleaning Procedures: Clean spill area thoroughly with water and detergent.
Reporting: Follow institutional protocols for significant spills.
Handling: Use local exhaust ventilation to minimize airborne dust. Avoid contact with skin, eyes, and clothing. Wash hands after use. Do not eat, drink, or smoke in work area.
Storage Conditions: Store in a tightly sealed container, away from strong acids, bases, and oxidizing agents. Keep in a cool, dry, and well-ventilated place, away from direct sunlight.
Incompatibilities: Strong oxidizers, strong acids,
Storage Class: General laboratory chemicals (non-flammable, non-toxic), following standard chemical storage guidelines
Occupational Exposure Limits: No established limits for this compound, follow general nuisance dust limits (e.g., 10 mg/m3 total dust, 3 mg/m3 respirable dust)
Engineering Controls: Use fume hood or local ventilation to control airborne dust.
Personal Protection: Safety glasses with side shields, chemical-resistant gloves (nitrile or PVC), laboratory coat
Respiratory Protection: Use a particle respirator if dust generation is likely
Hygiene Measures: Handle in accordance with good industrial hygiene and safety practice
Appearance: White to off-white crystalline powder
Odor: Odorless
Melting Point: 147–151°C
Solubility: Sparingly soluble in water, soluble in alcohol and chloroform
pH: Not determined (insoluble in water)
Specific Gravity: Approximately 1.50 (estimate)
Boiling Point: Not applicable (decomposes before boiling)
Vapor Pressure: Not applicable (solid at room temperature)
Partition Coefficient (log Kow): Not determined
Other data: Stable at room temperature, decomposes under strong heating
Chemical Stability: Stable under normal laboratory conditions
Reactivity: Not reactive with most common chemicals under ambient conditions
Conditions to Avoid: Avoid excessive heat, sparks, open flame, and moisture
Incompatible Materials: Strong oxidizing agents, strong acid chlorides, strong bases
Hazardous Decomposition: Carbon dioxide, carbon monoxide, and organic decomposition products
Polymerization: Not known to undergo hazardous polymerization
Routes of Exposure: Inhalation, skin contact, eye contact, ingestion
Acute Toxicity: No data on acute human toxicity. Based on structural analogs, considered of low toxicity by oral, dermal, and inhalation routes.
Skin Irritation: May cause mild, reversible irritation upon prolonged contact
Eye Irritation: Dust may cause transient redness and discomfort
Chronic Effects: No reports of long-term health effects in humans or animals
Carcinogenicity: Not listed by IARC, NTP, OSHA. No evidence of carcinogenicity
Sensitization: Not expected to cause allergic skin reaction
Mutagenicity / Reproductive Toxicity: No data available, not expected based on structure
Aquatic Toxicity: No data for this compound. Similar compounds show low toxicity to fish and aquatic invertebrates
Mobility: Expected to have low mobility in soil, moderate water solubility. Not volatile.
Persistence and Degradability: Presumed biodegradable under environmental conditions typical for laboratory chemicals
Bioaccumulation: Not expected to bioaccumulate, due to moderate solubility and low partition coefficient
Other Effects: Avoid release to the environment, as large amounts could disturb water pH and introduce organic load
Disposal Methods: Collect waste in properly labeled containers. Dispose of material in accordance with local, regional, and national regulations as non-hazardous laboratory chemical waste.
Packaging Disposal: Rinse thoroughly before discarding. Triple rinse glassware or plasticware used for handling.
Methods Preferred: Incineration in chemical incinerator or approved landfill for non-biological laboratory waste
Precautions: Prevent material from entering sewers, soil, or waterways
UN Number: Not regulated as a hazardous material for transport
Proper Shipping Name: Laboratory chemical, solid, organic, non-hazardous
Transport Hazard Classes: Not classified as dangerous for transport by ADR/RID, IMDG, ICAO/IATA
Packing Group: Not applicable
Special Precautions: Transport in tightly closed, clearly labeled containers. Prevent container shift or damage during transit.
United States: TSCA listed, not subject to SARA Title III reporting, not regulated by OSHA as hazardous
Europe: Not classified as dangerous under CLP Regulation (EC) No 1272/2008
Canada: Listed on DSL/NDSL inventory, no WHMIS classification
Japan: ENCS listed
Other International Regulations: Not listed on Priority Pollutants or prohibited substance registers
Chemical Safety Assessment: Not conducted, as not classified as hazardous under major regulations
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