Chemical Name: (2R,3R)-(-)-dibenzoyl-L-tartaric acid anhydrous
Synonyms: L-(+)-Tartaric acid, dibenzoyl ester; DBTA
CAS Number: 32634-66-5
Recommended Use: Chiral resolving agent, laboratory chemical
Manufacturer: Specify manufacturer and contact details on lab-specific documentation
Emergency Contact: Refer to local regulations for emergency numbers and procedures
Hazard Class: Skin and eye irritant under GHS classification
Signal Word: Warning
Hazard Statements: Causes skin irritation, causes serious eye irritation
Pictograms: Exclamation mark for irritant classification
Precautionary Statements: Avoid eye and skin contact, avoid breathing dust, wash hands thoroughly after handling, wear protective gloves and eyewear
Potential Health Effects: May cause irritation upon contact with eyes or skin, may cause mild respiratory irritation if dust is inhaled
Chemical Name: (2R,3R)-(-)-dibenzoyl-L-tartaric acid anhydrous
Chemical Formula: C18H14O7
CAS Number: 32634-66-5
Concentration: 99% or greater
Impurities: Minor amounts of water or organic residues depending on supplier
Inhalation: Move affected person to fresh air, seek medical attention if discomfort occurs.
Skin Contact: Remove contaminated clothing, rinse skin immediately with plenty of water, consult a physician for persistent irritation.
Eye Contact: Rinse cautiously with water for several minutes; remove contact lenses if present and easy to do; continue rinsing and get medical advice for ongoing symptoms.
Ingestion: Rinse mouth with water, do not induce vomiting, get medical attention for any reaction or if large amounts have been swallowed.
Suitable Extinguishing Media: Use carbon dioxide, dry chemical, water spray, or foam as appropriate for surrounding materials.
Specific Hazards: Combustion produces carbon oxides and possibly irritating fumes.
Protective Equipment: Firefighters should use self-contained breathing apparatus and protective gear.
Special Procedures: Approach fire from upwind to avoid hazardous vapors and fumes; evacuate personnel not involved in fire-fighting.
Personal Precautions: Wear suitable protective clothing including gloves and eye protection; avoid creating and breathing dust; ventilate area.
Environmental Precautions: Prevent material from entering drains or water sources; notify authorities if large spill causes contamination.
Spill Clean-Up Methods: Sweep up and collect in appropriate container for disposal; clean spill area with water and detergent, collect washings for waste disposal.
Safe Handling: Work in well-ventilated area, avoid contact with skin and eyes; prevent formation of dust; avoid ingestion and inhalation.
Storage Conditions: Store in tightly closed container away from moisture, oxidizing agents, strong acids and bases; maintain ambient or cool temperature; secure from unauthorized access.
Engineering Controls: Use local exhaust ventilation or general dilution ventilation system for processes that generate dust or vapors.
Exposure Limits: No regulated occupational exposure limits set for this compound; minimize dust exposure through good laboratory practices.
Respiratory Protection: Use NIOSH-approved dust masks or respirators if airborne dust is generated.
Skin Protection: Wear chemical-resistant gloves and laboratory coats.
Eye Protection: Use safety glasses or chemical goggles.
General Hygiene: Do not eat, drink, or smoke during use; wash hands after handling.
Appearance: White to off-white crystalline powder
Odor: Odorless or faint aromatic smell
Melting Point: 199-202°C
Boiling Point: Not applicable (decomposes before boiling)
Solubility: Sparingly soluble in water, soluble in ethanol and some organic solvents
pH: Not applicable (solid form)
Vapor Pressure: Negligible at room temperature
Density: Approximately 1.5 g/cm³
Partition Coefficient: Data not available
Flash Point: Data not established; handle away from ignition sources
Chemical Stability: Stable under recommended handling and storage conditions; excessive heat, moisture, or exposure to air leads to decomposition.
Conditions to Avoid: Strong oxidizing agents, strong acids and bases, elevated temperatures, humidity.
Hazardous Decomposition: Generates carbon monoxide, carbon dioxide, and benzoyl derivatives upon combustion or decomposition.
Polymerization: No hazardous polymerization expected.
Acute Toxicity: Data on acute oral, dermal, or inhalation toxicity in humans are limited.
Skin Corrosion/Irritation: May cause mild to moderate irritation after prolonged contact.
Eye Damage/Irritation: Causes eye irritation, possible redness, pain, and watering.
Respiratory Sensitization: Dust inhalation may trigger mild respiratory irritation.
Mutagenicity, Carcinogenicity, Reproductive Toxicity: No available studies indicating carcinogenic or mutagenic risks for this compound.
Long-Term Effects: No evidence of chronic toxicity has been documented.
Environmental Fate: Data missing on persistence and degradability, expected to break down slowly.
Ecotoxicity: No acute toxicity data available for aquatic or terrestrial species.
Bioaccumulation: Potential for bioaccumulation is low given molecular structure and solubility pattern.
Mobility: Limited due to low water solubility; spills can impact soil and waterways.
Precautions: Contain spills and avoid uncontrolled release to environment.
Waste Disposal: Dispose of as chemical waste in compliance with local, regional and national environmental regulations; incineration recommended where permitted.
Packaging Disposal: Decontaminate containers before disposal or send for professional chemical waste management.
Special Instructions: Never dispose of into soil, surface water or drains.
UN Number: Not classified as hazardous for transport.
Transport Hazard Class: Not regulated under ADR/RID, IMDG, or IATA.
Packing Group: Not applicable.
Special Transport Precautions: Prevent container breakage and avoid extreme temperatures during transport.
Environmental Hazards: Not classified as environmentally hazardous per transport regulations.
Global Inventories: Check specific listings with REACH, TSCA, DSL, AICS or other applicable national inventories.
Hazardous Substance Classification: Assigned as non-hazardous by many international chemical agencies, but laboratory safety guidelines still apply.
OSHA Classification: Not classified as hazardous.
Label Requirements: Standard laboratory chemical labeling, including signal word and hazard pictograms.
Other Regulatory Notes: Follow occupational health and safety regulations in your jurisdiction.
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