Product Name: (-)-O,O'-Di-p-toluyl-L-tartaric acid
Synonyms: DPTTA; L-Tartaric acid, di-p-toluoyl ester
Chemical Formula: C20H18O8
CAS Number: 32634-66-5
Uses: Chiral resolving agent; intermediate in organic synthesis
Manufacturer: Supplier details available on request
Emergency Contact: Refer to local regulations and facility procedures
GHS Classification: Not classified as hazardous under GHS guidelines
Hazard Statements: May cause mild skin or eye irritation; dust inhalation can lead to respiratory discomfort
Precautionary Statements: Wear gloves and safety glasses; avoid dust and contact with skin or eyes
Labeling Requirements: No pictograms required; suggestions for safe handling to be posted in work area
Acute Effects: Transient irritation possible if exposed
Chronic Effects: Long-term exposure data unavailable; handle with general laboratory precautions
Chemical Name: (-)-O,O'-Di-p-toluyl-L-tartaric acid
Purity: >98%
Impurities: Minor unreacted starting materials (toluic acid, tartaric acid derivatives) possible under 2%
Formula Weight: 386.35 g/mol
Molecular Structure: C6H5-COO-CH(OH)-CH(OH)-OOC-C6H5
Other Components: No significant additional hazardous ingredients present
Inhalation: Move person to fresh air; seek medical attention if symptoms develop
Skin Contact: Wash with soap and plenty of water for several minutes; remove contaminated clothing
Eye Contact: Rinse cautiously with water for several minutes; consult doctor if irritation persists
Ingestion: Rinse mouth, drink water if conscious; seek professional attention in case of large ingestion
General Guidelines: Consult medical professional if symptoms do not resolve or for further treatment guidance
Suitable Extinguishing Media: Water spray, dry chemical, carbon dioxide, foam
Hazardous Combustion Products: Emits carbon oxides on thermal decomposition
Special Protective Equipment: Firefighters should use SCBA and protective gear to avoid smoke inhalation
Fire and Explosion Hazards: Combustible powder; airborne dust can pose explosion risk in confined spaces
Specific Techniques: Use water spray to keep containers cool; prevent runoff to waterways
Spill Cleanup: Sweep up gently to avoid dust creation; collect in suitable container for disposal
Personal Precautions: Wear gloves, eye protection, dust mask or respirator
Environmental Precautions: Prevent spilled material from entering drains or watercourses
Decontamination: After removal, clean area with water and mild detergent
Reporting: Report major releases as required by local laws
Handling: Minimize dust generation; avoid contact with skin, eyes, and clothing; use only in well-ventilated area
Storage: Store in tightly sealed containers, away from moisture, heat or direct sunlight
Incompatible Materials: Strong oxidizing agents; strong acids or bases
Storage Conditions: Keep in cool, dry space; label containers clearly; secure against unauthorized use
Other Considerations: Train personnel in proper handling and emergency procedures
Engineering Controls: Use fume hood or adequate local exhaust ventilation
Personal Protective Equipment: Chemical-resistant gloves, lab coat, safety goggles
Respiratory Protection: Dust mask or respirator for routine lab work or during spills
Exposure Limits: No specific occupational exposure limit established; minimize exposure as a precaution
Hygiene Practices: Wash hands and face thoroughly after handling; avoid eating or drinking near work area
Appearance: White to off-white crystalline powder
Odor: Odorless or faint aromatic odor
Melting Point: 157-160°C
Boiling Point: Decomposes before boiling
Solubility: Soluble in ethanol, methanol; slightly soluble in water
pH: Not applicable (solution dependent)
Density: Approx. 1.45 g/cm³
Vapor Pressure: Negligible at ambient temperature
Flash Point: Not established; not readily flammable
Partition Coefficient n-octanol/water: Not measured
Other Data: Stable under ordinary conditions; hygroscopic tendencies observed in humid environments
Chemical Stability: Stable under standard temperatures and recommended storage conditions
Reactivity: Non-reactive under normal laboratory conditions; reacts with strong oxidizing agents
Hazardous Decomposition: Thermal decomposition yields CO, CO2, and possibly irritating vapors
Conditions to Avoid: Excess heat, moisture, sources of ignition
Polymerization: Will not occur
Incompatible Materials: Oxidizers, acids, bases can lead to hazardous reactions or degradation
likely Routes of Exposure: Inhalation of dust, dermal and eye contact, ingestion
Acute Toxicity: Low toxicity expected based on chemical structure and analog data
Irritation: May provoke mild, transient skin or eye irritation
Chronic Effects: Long-term effects not documented; avoid unnecessary contact
Sensitization: No evidence of sensitizing effects in available literature
Carcinogenicity: Not listed as a carcinogen by IARC, NTP, or OSHA
Mutagenicity/Reproductive Effects: No studies available; no expected risk based on molecular structure
Ecotoxicity: Not expected to be hazardous in normal laboratory quantities; low aquatic or soil toxicity indicated for similar compounds
Persistence and Degradability: Expected to be biodegradable through natural environmental processes
Bioaccumulation Potential: Not likely to bioconcentrate
Mobility in Soil: Low vapor pressure, slight solubility suggests low mobility
Other Environmental Information: Avoid uncontrolled release to waterways or soil; treat waste responsibly
Waste Treatment Methods: Dispose according to local, regional, and national regulations
Chemical Waste: Collect in suitable labeled containers; contract with licensed disposal service
Packaging Disposal: Contaminated packaging should follow chemical waste disposal procedures
Recommendation: Do not dispose in household garbage or by drainage; minimize landfill entry
UN Number: Not regulated
UN Proper Shipping Name: Not classified as hazardous
Transport Hazard Classes: Not assigned
Packing Group: Not assigned
Special Precautions: Protect from moisture and excessive heat during transit
DOT/IATA/IMDG: Transport as non-hazardous chemical; check local guidance for best practices
TSCA Status: Listed or meets definition
EINECS/ELINCS: Listed in European inventory
REACH Compliance: Not subject to authorization or restriction
Canada DSL/NDSL: Listed; available for research and development
OSHA Hazard: Not classified as hazardous under OSHA regulations
Other Provisions: Laboratory use only, not for medical, food, or household purposes
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