Chemical Name: DIBENZOYL-D-TARTARIC ACID
Common Names: Dibenzyltartaric acid, D-Benzoic tartrate
CAS Number: 14721-76-7
Recommended Use: Used as a resolving agent in pharmaceutical and chemical manufacturing
Manufacturer Details: Provided by laboratory supplier and chemical manufacturer
Emergency Contact: Emergency number found on the chemical container or supplier SDS
GHS Classification: Not classified as hazardous under current Globally Harmonized System criteria
Hazard Statements: May cause skin and eye irritation
Signal Word: Warning
Pictograms: Exclamation mark (irritant)
Precautionary Statements: Avoid dust formation, wash hands thoroughly after handling, use only outside or in well-ventilated area
Environmental Hazards: Not expected to be hazardous to the environment in normal use and quantities
Health Hazards: May cause allergic skin reaction, inhalation may cause mild respiratory irritation
Chemical Identity: DIBENZOYL-D-TARTARIC ACID
Molecular Formula: C18H14O6
Weight Percent: 100%
Impurities: Typically considered pure; trace solvent or water moisture possible
Component Synonyms: D(-)-Dibenzoyltartaric acid, Benzoic acid, α,α'-(2,3-dihydroxy-1,4-dioxobutane-2,3-diyl)bis-, (R,R)-
Inhalation: Move person to fresh air, provide gentle reassurance, seek medical advice for prolonged symptoms
Skin Contact: Wash exposed skin immediately with soap and warm water, remove affected clothing, consult a physician if irritation develops
Eye Contact: Rinse cautiously with water for at least 15 minutes, remove contacts if present, continue rinsing and seek medical help for persistent redness or discomfort
Ingestion: Rinse mouth, drink water if conscious, do not induce vomiting, consult a physician or poison control
Emergency Symptoms: Redness, itching, mild respiratory discomfort, stomach upset
Suitable Extinguishing Media: Water spray, dry chemical powder, carbon dioxide (CO2), foam
Unsuitable Media: Do not use a strong water jet
Hazards from Combustion: Emits carbon monoxide, carbon dioxide, possibly benzene and other toxic fumes
Special Protective Equipment: Firefighters should wear self-contained breathing apparatus, full protective clothing
Precautions for Firefighters: Evacuate area, avoid inhalation of combustion products, contain run-off to prevent environmental contamination
Personal Precautions: Avoid respiratory and skin exposure, use personal protective equipment such as gloves and goggles
Spill Cleanup Methods: Sweep up and collect spilled material with non-sparking tools, avoid dust generation, place into a labeled, closed container
Environmental Precautions: Prevent chemical from entering drains or watercourses
Decontamination Procedures: Clean spill area with damp cloth, ventilate space, dispose of cleaning materials in accordance with regulations
Additional Actions: Notify supervisor and follow site protocol for chemical releases
Safe Handling: Work in a well-ventilated space, use only with protective measures in place, keep away from incompatible substances, minimize dust formation
Hygiene Measures: Wash hands and exposed skin thoroughly after handling, avoid eating, drinking, or smoking near the chemical
Storage Requirements: Store in tightly closed containers, in a cool and dry place, protected from light and moisture
Incompatibilities: Keep away from strong oxidizers, bases, and reducing agents
Storage Precautions: Segregate away from food, feedstuffs, and incompatible materials, keep label visible at all times
Exposure Limits: No specific occupational exposure limits established
Engineering Controls: Use mechanical or local exhaust ventilation to keep dust levels below nuisance limits
Hand Protection: Chemical-resistant gloves recommended
Eye Protection: Safety goggles with side shields
Skin Protection: Lab coat or apron, closed-toe shoes
Respiratory Protection: Dust mask or respirator if handling large amounts or in poor ventilation
Environmental Controls: Prevent spillage and discharge to the environment
Appearance: White to off-white crystalline powder
Odor: Faint, aromatic
Odor Threshold: Not established
pH: Not applicable
Melting Point: 198–202°C
Boiling Point: Not available (decomposes before boiling)
Flash Point: Not flammable at typical use temperatures
Evaporation Rate: Not applicable
Flammability: Does not present unusual fire risk
Vapor Pressure: Negligible at room temperature
Vapor Density: Not determined
Relative Density: 1.5–1.6 g/cm3 (approximate)
Solubility: Slightly soluble in water, readily soluble in alcohols, acetone, and other organic solvents
Partition Coefficient (n-octanol/water): Not established
Auto-ignition Temperature: Not self-igniting
Decomposition Temperature: Decomposes above 200°C
Viscosity: Not applicable
Reactivity: Stable under normal laboratory and storage conditions
Chemical Stability: Remains stable at room temperature, away from heat and moisture
Possibility of Hazardous Reactions: None documented under normal use
Conditions to Avoid: Excessive heat, contact with incompatible substances, prolonged exposure to light
Incompatible Materials: Strong oxidizers, strong bases, strong reducing agents
Hazardous Decomposition Products: Carbon monoxide, carbon dioxide, benzene fumes may form on thermal decomposition
Acute Toxicity: No acute toxicity data available for humans; based on related tartaric acids, considered low toxicity
Skin Contact: May cause mild irritation in sensitive individuals
Eye Contact: Risk of slight, reversible irritation
Inhalation: Large amounts of dust may irritate airways
Ingestion: May cause mild gastrointestinal discomfort
Chronic Effects: No long-term human data; not classified as carcinogenic or mutagenic
Sensitization: May cause allergic skin responses in some individuals
Other Risks: Not known to affect reproductive or developmental health
Ecotoxicity: No specific data; low environmental toxicity expected from structure and use profile
Persistence and Degradability: Expected to degrade in the natural environment under both aerobic and anaerobic conditions
Bioaccumulation Potential: Low, based on structure and low water solubility
Mobility in Soil: Limited mobility due to low water solubility
Other Adverse Effects: No significant long-term risk to aquatic or terrestrial ecosystems projected in normal quantities used in laboratories or industry
Disposal Guidelines: Dispose of material in accordance with local, regional, and national regulations
Waste Treatment Methods: Material may be disposed as non-hazardous waste if local regulations allow; incineration recommended for larger quantities
Contaminated Packaging: Dispose of empty containers as chemical waste, rinse thoroughly before recycling or discarding
Considerations: Do not release into the environment, avoid landfill disposal where possible, follow chemical hygiene standards
UN Number: Not classified as dangerous goods for transport
Proper Shipping Name: Not regulated
Transport Hazard Class: Not applicable
Packing Group: Not assigned
Environmental Hazards: Not classified as a marine pollutant
Special Precautions: Store securely during transport, prevent container damage
TSCA Status: Listed on the U.S. Toxic Substances Control Act Inventory
REACH Status: Registered or exempt under the European REACH regulation
Other Regulatory Listings: May appear on workplace hazard inventories and selected international chemical inventories
Labeling Requirements: Standard laboratory labeling for chemical reagents applies
Workplace Controls: Ensure compliance with OSHA laboratory safety standards and similar national regulations
Restrictions: Not subject to specific restrictions or control measures beyond standard chemical safety practices
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