Product Name: (+)-Di-1,4-toluoyl-D-tartaric acid
Other Names: (2R,3R)-(+)-Di-p-toluoyl-D-tartaric acid, D-(-)-Toluoyltartaric acid, DTTA
CAS Number: 32634-66-5
Synonyms: (+)-Di-p-toluoyl-D-tartaric acid, D-Toluoyltartaric acid
Recommended Use: Research and laboratory chemical, chiral resolving agent
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GHS Classification: Not classified as hazardous under GHS criteria
Signal Word: None
Hazard Statements: Not regarded as a health or environmental hazard in normal laboratory handling
Precautionary Statements: Avoid breathing dust, wash thoroughly after handling, use protective clothing
Physical Hazards: Fine powder may cause mechanical irritation
Health Hazards: May cause eye, skin, or respiratory tract irritation in sensitive individuals
Environmental Hazards: No major environmental hazard identified, use best practices for chemical handling and disposal
Chemical Name: (+)-Di-1,4-toluoyl-D-tartaric acid
Formula: C18H16O8
Molecular Weight: 360.32 g/mol
EC Number: 251-146-6
Purity: ≥ 98%
Impurities: Trace organic residuals possible, other tartaric acid derivatives under 1%
Inhalation: Move to fresh air, keep at rest, seek medical attention if breathing gets difficult or irritation persists
Skin Contact: Remove contaminated clothing, wash with soap and plenty of water, seek advice if irritation remains
Eye Contact: Rinse immediately with plenty of water for at least 15 minutes, remove contact lenses if present, get medical help if discomfort continues
Ingestion: Rinse mouth with water, do not induce vomiting, get medical help if any symptoms appear
Important Symptoms: Irritation of skin, mucous membranes, and eyes, possible headache or nausea from dust exposure
Notes to Physician: Provide treatment based on symptoms, no specific antidote
Suitable Extinguishing Media: Water spray, dry chemical, foam, or carbon dioxide
Unsuitable Extinguishing Media: Avoid high-pressure water streams directly on chemical
Hazardous Combustion Products: Emits carbon oxides, possible acrid smoke, and organic fumes when burned
Special Protective Equipment: Wear self-contained breathing apparatus and full protective gear
Firefighting Procedures: Cool containers exposed to flames with water, keep upwind, limit dust dispersal
Explosion Hazards: Dust may create air-dust mixtures; avoid sources of ignition
Personal Precautions: Put on gloves, goggles, and a lab coat, avoid generating or breathing dust
Environmental Precautions: Prevent release to drains, surface water, or soil
Methods for Clean Up: Sweep up carefully without causing dust, place in a labeled, suitable waste container, wash area with water after clean-up is complete
Other Directions: Ventilate area, wash hands thoroughly after handling, check for local regulations regarding dust control
Precautions for Safe Handling: Use only in a fume hood or well-ventilated area, avoid dust formation, wash hands after use, do not eat, drink, or smoke during use
Storage Conditions: Store in a tightly closed original container at room temperature away from incompatible substances (strong oxidizers, acids, or bases)
Storage Area Features: Dry, cool, and well-ventilated, avoid direct sunlight and humidity, segregate from food and drink
Incompatibilities: Avoid contact with strong oxidizing agents, strong acids, or strong bases
Exposure Limits: No specific ACGIH, OSHA, or NIOSH exposure limits, monitor dust exposure to keep as low as reasonably achievable
Engineering Controls: Local exhaust ventilation, fume hood for weighing or handling powder
Personal Protection: Safety goggles, nitrile gloves, laboratory coat, dust mask or respirator (P2 or N95) for dust control
Hygiene Measures: Wash thoroughly after handling, remove contaminated clothing and launder before reuse, maintain good laboratory practices
Environmental Exposure Controls: Avoid release to environment, use spill trays, collect and dispose waste properly
Appearance: White to off-white crystalline powder
Odor: No characteristic odor
pH: Not applicable for powder; slightly acidic in water solution
Melting Point: 165–170 °C
Boiling Point: Decomposes before boiling
Flash Point: Not determined, likely above 200 °C (not volatile)
Solubility: Slightly soluble in cold water, more soluble in organic solvents like methanol and acetone
Density: Around 1.5 g/cm³ (at 20 °C)
Vapor Pressure: Negligible at standard conditions
Partition Coefficient: Not established
Explosive Properties: Not considered explosive, dust may form flammable mixtures in air
Oxidizing Properties: Not classified as oxidizing
Chemical Stability: Stable under recommended storage conditions, sensitive to excess heat or moisture
Possibility of Hazardous Reactions: Will not undergo dangerous reactions under normal handling
Conditions to Avoid: High humidity, direct sunlight, open flames, or strong heating
Incompatible Materials: Strong oxidizing agents, strong acids, strong bases
Hazardous Decomposition Products: Carbon dioxide, carbon monoxide, possibly aromatic and organic compounds on combustion
Routes of Exposure: Inhalation, ingestion, skin contact, eye contact
Acute Toxicity: No acute toxicity data available, presumed low hazard based on structure and similar compounds
Skin Corrosion/Irritation: May cause mild irritation
Eye Damage/Irritation: Dust may cause mechanical or mild irritation
Respiratory Sensitization: No evidence of sensitization in humans, dust may irritate nasal passages
Germ Cell Mutagenicity: No data available, not expected based on chemical structure
Carcinogenicity: Not classified as carcinogenic by IARC, NTP, or OSHA
Reproductive Toxicity: No evidence or data
STOT - Single/Repeated Exposure: No known organ toxicity, high dust levels may cause discomfort or headache
Aspiration Hazard: Not a risk due to physical form
Ecotoxicity: No quantitative data for aquatic or terrestrial toxicity, expected to have low impact due to poor water solubility
Persistence and Degradability: Based on the tartaric acid backbone, likely readily biodegradable in soil and water
Bioaccumulative Potential: Not anticipated to bioaccumulate due to molecular size and solubility
Mobility in Soil: Minimal mobility, lightly soluble compounds may migrate a short distance in water
Other Adverse Effects: No data suggesting ozone depletion, greenhouse gas emission, or other long-term hazards
Product Disposal: Dispose as non-hazardous organic laboratory waste unless contaminated with hazardous materials
Container Disposal: Rinse and discard in accordance with national and local regulations, do not reuse
Precautions: Prevent from entering waterways, use sealed disposal bags or containers
Relevant Regulations: Follow local, regional, and national rules for lab chemical disposal, consider advice from environmental authorities
UN Number: Not regulated for transport
UN Proper Shipping Name: Not classified as dangerous goods
Transport Hazard Class: Not applicable
Packing Group: Not applicable
Environmental Hazards: None, not marine pollutant
Special Precautions for User: Prevent leakage or dust generation during packing and movement, secure containers during transit
Transport in Bulk: Not regulated
OSHA Hazard Communication: Not listed as a hazardous chemical
TSCA Status: Listed in TSCA inventory or exempt
EINECS/ELINCS Number: 251-146-6
REACH Status: May not require registration under REACH for lab use, refer to current European regulations
Other National Regulations: Not specifically regulated, standard chemical safety laws apply
SARA Title III: No known reporting requirements
California Proposition 65: No known components listed
WHMIS (Canada): Not controlled
NZIoC, AICS, ENCS, PICCS: Refer to local inventories for status
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