Product Name: (+)-2,3-Dibenzoyl-D-Tartaric Acid
Chemical Formula: C18H14O7
CAS Number: 32634-66-5
Synonyms: Dibenzoic acid ester of D-tartaric acid
Suggested Use: Laboratory chemical, chemical synthesis, resolving agent for racemic bases
Supplier Details: Manufacturer’s name, address, and contact number
Emergency Contact: Local emergency telephone number, poison control center
GHS Classification: Not classified as hazardous under GHS criteria
Label Elements: No pictogram, signal word, or hazard statement required for this substance
Potential Health Effects: Dust exposure may irritate eyes, skin, and respiratory tract, inhaling fine particles causes discomfort, ingestion not recommended
Environmental Impact: No recognized environmental hazard under normal use or accidental release, but large quantities can disrupt water pH
Precautionary Statements: Use only in well-ventilated locations, keep away from ignition sources, avoid breathing dust
Chemical Name: (+)-2,3-Dibenzoyl-D-Tartaric Acid
CAS Number: 32634-66-5
EC Number: 251-149-2
Impurities: Product purity exceeds 98%, trace residual solvents or precursors below one percent
Other Ingredients: No additives or fillers identified
Molecular Structure: Central tartaric acid backbone with benzoyl groups at 2 and 3 positions
Inhalation: Move affected person to fresh air, provide artificial respiration if breathing stops, seek medical attention if symptoms persist
Skin Contact: Wash immediately with plenty of soap and water, remove contaminated clothing, consult medical personnel if irritation develops
Eye Contact: Rinse cautiously with water for 15 minutes, lift eyelids to flush thoroughly, obtain medical help for persistent redness or pain
Ingestion: Rinse mouth, give water to dilute, do not induce vomiting, get medical assistance if a large amount has been swallowed
Acute Symptoms: May include coughing, sneezing, skin redness, mild gastrointestinal upset
Delayed/Chronic Effects: Unlikely at typical exposure levels, consult physician for any persistent symptoms
Suitable Extinguishing Media: Use water spray, dry chemical, foam, or carbon dioxide, avoid direct streams if powder dispersal is a concern
Specific Hazards from Combustion: Emits carbon monoxide, carbon dioxide, and possible organic vapors upon decomposition, fumes may irritate respiratory system
Protective Equipment: Firefighters wear full protective gear and self-contained breathing apparatus
Special Procedures: Contain runoff to prevent entry into water systems, isolate area, remain upwind during response
Personal Precautions: Wear suitable gloves, protective clothing, chemical safety goggles, prevent dust formation, ventilate area
Environmental Precautions: Prevent further leakage or spillage if safe, do not flush into surface water, minimize entry into soil
Cleanup Methods: Sweep up materials using non-sparking tools, place in labeled containers for proper disposal, wash surfaces with water after removal
Spill Size Management: For large releases, use containment dikes, consult hazardous materials team for bulk spills
Disposal of Cleanup Materials: Follow local regulations, treat as chemical waste, avoid discharge to sewers
Precautions for Safe Handling: Minimize dust generation and accumulation, use in fume hood or ventilated area, avoid contact with eyes or skin
Incompatible Materials: Strong oxidizers, strong acids, and strong bases – can cause decomposition and react violently
Hygiene Practices: Wash hands thoroughly after use, remove contaminated clothing, do not eat, drink, or smoke in work area
Storage Conditions: Store in tightly closed container, cool, dry, well-ventilated location, protect from moisture, isolate from incompatible substances
Storage Life: Stable for months under correct conditions, avoid prolonged exposure to high humidity or heat
Control Parameters: No occupational exposure limit set for this compound, minimize airborne concentrations
Engineering Controls: Use laboratory fume hoods, local exhaust ventilation, keep containers closed
Personal Protective Equipment: Chemical-resistant gloves, lab coat, splash-proof goggles, dust respirator for higher concentrations
Environmental Controls: Prevent spills from entering drains, air scrubbers as needed for dust-heavy settings
General Protection: Eye wash and safety shower stations accessible nearby, use good industrial hygiene practices
State: Solid
Appearance: White to off-white crystalline powder
Odor: Odorless
pH: Not applicable for solid, slight acidity in aqueous solution
Boiling Point: Data not available; decomposes before boiling
Melting Point: 189 – 196°C
Flash Point: Not determined; solid material, not highly flammable
Solubility: Slightly soluble in water, soluble in organic solvents like methanol and ethanol
Density: Approximately 1.45 g/cm³
Molecular Weight: 342.31 g/mol
Vapor Pressure: Negligible at ambient temperature
Partition Coefficient: Not specified
Chemical Stability: Stable under standard laboratory and storage conditions
Possible Hazardous Reactions: Reacts with strong oxidizing agents, acids, or bases, may decompose with excessive heat or light
Conditions to Avoid: Excess moisture, direct sunlight, incompatible materials, open flame
Decomposition Products: Heating produces benzoyl fragments, carbon oxides, organic vapors
Polymerization: Not known to polymerize
Acute Toxicity: Low acute toxicity by oral, dermal, or inhalation routes based on available data
Skin and Eye Contact: May cause mild local irritation, avoid repeated contact
Sensitization: No evidence of skin sensitization or allergenic response reported
Mutagenicity: No mutagenic effects identified in available studies
Carcinogenicity: Not listed as a carcinogen by NTP, IARC, or OSHA
Reproductive Effects: No known effects on reproductive health
Additional Information: Prolonged exposure to large quantities can pose respiratory risk due to dust
Aquatic Toxicity: Insufficient data for precise aquatic toxicity, massive discharge may affect pH locally or cause organic load
Persistence and Degradability: Compound expected to gradually degrade through natural chemical and microbial processes
Bioaccumulation: Potential for bioaccumulation considered low owing to solubility profile
Mobility in Soil: Low mobility, readily adsorbs to soil particles
Other Adverse Effects: Product not anticipated to cause chronic damage to plants or animals based on outlined chemistry
Waste Disposal Methods: Dispose via licensed chemical waste contractor, follow all regional, national, and local regulations
Container Disposal: Rinse and triple-wash empties, offer for recycling or monumental landfill where permitted
Hazardous Waste Code: Not regulated as hazardous waste under RCRA for typical laboratory quantities
Precautionary Disposal Notes: Do not discharge to sewers, waterways, or ground, ensure material fully contained until disposed
UN Number: Not classified as dangerous goods under most national or international transport regulations
UN Proper Shipping Name: No specific entry for this compound, ship as laboratory chemicals
Transport Hazard Class: Not applicable
Packing Group: Not applicable
Marine Pollutant: Not listed as marine pollutant
Special Transport Precautions: Store upright, secure container lid, ship in compliant packaging
TSCA Status: Listed
EU REACH Status: Exempt or registered, check supplier for current registration number
SARA Section 313: Substance not subject to reporting
DSL/NDSL (Canada): Component appears on inventory
State Regulations: Not formally listed under prominent California Proposition 65 warnings
International Inventories: Verify coverage in regions of use, product registration status available directly from importer or supplier
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