Product Name: Di-p-methylbenzoyl-D-tartaric acid, monohydrate
Chemical Formula: C20H18O9·H2O
Synonyms: D-tartaric acid, di-p-toluoyl derivative, monohydrate
CAS Number: 71643-85-9
Recommended Use: Laboratory chemical, chemical synthesis
Manufacturer/Supplier: Contact supplier directly for detailed origin and address
Telephone Number: Supplier emergency contact 24/7
GHS Classification: Not classified as hazardous under GHS standards for supply or use
Health Hazards: Can irritate eyes, skin, and respiratory system. Inhalation can cause coughing or shortness of breath. Contact with eyes can lead to redness or watering.
Environmental Hazards: Not considered dangerous to the environment by most assessments, but avoid direct release into water sources.
Symbol/Pictogram: Not mandatory; no signal word assigned.
Precautionary Statements: Keep away from foodstuffs, drink, and animal feed. Avoid inhaling dusts or vapors. Wear appropriate personal protection.
Chemical Identity: Di-p-methylbenzoyl-D-tartaric acid, monohydrate
CAS No.: 71643-85-9
Concentration: >98% (by weight)
Impurities: Trace levels of related benzoyl derivatives
Hazard Components: None reported above classification thresholds
Eye Contact: Rinse eyes thoroughly with plenty of water for several minutes. Remove contact lenses if easy. Continue rinsing. Get medical attention if irritation persists.
Skin Contact: Wash skin with soap and plenty of water. Remove contaminated clothing. Seek medical attention if symptoms develop.
Inhalation: Move person to fresh air. Keep comfortable for breathing. Consult a doctor if breathing becomes difficult.
Ingestion: Rinse mouth with water. Do not induce vomiting. Seek medical advice if unwell or if larger quantity is swallowed.
Important Symptoms: Eye and skin redness, mild burning, coughing.
Advice for Physician: Treat symptomatically based on clinical judgement.
Suitable Extinguishing Media: Water spray, alcohol-resistant foam, dry chemical powder, carbon dioxide
Unsuitable Extinguishing Media: High-pressure water stream may spread powder
Specific Hazards: Combustion produces irritating fumes, carbon monoxide, and carbon dioxide
Protective Equipment for Firefighters: Wear self-contained breathing apparatus and protective clothing
Special Precautions: Move containers from fire area if safe. Avoid breathing combustion products.
Personal Precautions: Wear appropriate protective equipment including gloves, goggles, and dust mask. Avoid creating airborne dust.
Environmental Precautions: Prevent spillage or runoff from entering drains or surface waters.
Containment Methods: Sweep up and transfer to a suitable container for disposal. Clean dust residues with damp cloth.
Spill Cleanup: Ventilate the area. Dispose of contaminated material according to regulatory requirements.
Handling: Use in well-ventilated areas. Minimize dust generation. Avoid inhaling powder or contact with skin and eyes. Wash hands before eating, drinking, smoking, or leaving work area.
Storage Conditions: Store in tightly closed container. Keep in cool, dry place away from sunlight and incompatible materials such as strong oxidizers. Limit moisture exposure to maintain product integrity.
Specific End Use: Used only for applications under strict laboratory or industrial controls, not for consumer or food use.
General Controls: Work in well-ventilated area. Use local exhaust where dust or vapors could form.
Occupational Exposure Limits: Not established for this compound. Handle with standard chemical hygiene practices.
Eye Protection: Chemical-resistant goggles
Hand Protection: Nitrile or latex gloves
Skin Protection: Lab coat or protective work clothing
Respiratory Protection: Dust mask or respirator with particulate filter where airborne dust is generated
Hygiene Measures: Practice routine handwashing and avoid touching face during use.
Physical State: Crystalline powder
Color: Off-white to pale yellow
Odor: Slight, not distinctive
Melting Point: Not fully established, >110°C estimated
Boiling Point: Decomposes before boiling
Solubility: Slightly soluble in water, more soluble in ethanol and organic solvents
pH (1% solution): Acidic, typically pH 2-3
Vapor Pressure: Negligible
Density: 1.4–1.5 g/cm3
Partition Coefficient: Not available
Flash Point: Not determined, not expected to ignite under normal conditions
Chemical Stability: Stable under normal temperatures and pressures
Reactivity: No known hazardous reactivity
Conditions to Avoid: Heat, humidity, open flame, direct sunlight
Incompatible Materials: Strong oxidizing agents, strong bases
Hazardous Decomposition Products: Carbon oxides, irritating organic vapors on thermal decomposition
Acute Toxicity: Data limited; not expected to be highly toxic by oral, inhalation, or dermal route
Possible Effects of Exposure: Eyes and skin - irritation; inhalation - cough, sore throat; ingestion - nausea, digestive discomfort
Chronic Effects: Not clearly identified; long-term studies lacking
Carcinogenicity: No classification or suspicion based on available information
Mutagenicity, Reproductive Toxicity: No evidence of mutagenic or reproductive toxicity in related tartaric acid derivatives
Medical Conditions Aggravated by Exposure: Existing respiratory tract disorders, skin allergies
Ecotoxicity: Expected to have minimal impact due to low use volumes; degrade over time
Persistence and Degradability: Related chemicals degrade by normal environmental processes, but no specific data for this compound
Bioaccumulation: Low potential estimated due to water solubility and molecular profile
Aquatic Toxicity: Not expected to cause harm to aquatic organisms at typical discharge levels
Other Effects: Avoid large-scale releases to avoid disruption of biological wastewater plants
Waste Disposal Methods: Dispose of as hazardous laboratory chemical waste; follow local, regional, and national regulations
Contaminated Packaging: Rinse and dispose of in accordance with regulatory requirements
Considerations for Users: Do not allow to reach sewage system. Small amounts can be diluted and neutralized if approved by local treatment facility
Special Precautions: Keep records of disposal in case of audit or regulatory review
UN Number: Not assigned for this compound
Transport Hazard Class: Not dangerous goods according to current transport regulations (ADR, RID, IATA, IMDG)
Packing Group: Not assigned
Environmental Hazards: Not an environmental hazard for transport
Special Precautions for User: Avoid transfers that could generate dust. Keep container upright in transit.
Safety, Health, Environmental Regulations: Not listed under REACH Candidate List, TSCA, DSL/NDSL as a regulated or controlled substance
Labeling Requirements: Lab use only; proper labeling with chemical identity and hazard warnings recommended
Workplace Controls: Follow standard laboratory chemical hygiene plans and risk assessment protocols
Restriction of Use: Not for food, drug, or household use
Other Information: Workplace exposure records should be maintained where applicable for chemicals of known irritation potential.
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