Material Safety Data Sheet: (2R,3R)-(-)-dibenzoyl-L-tartaric acid monohydrate

Identification

Product Name: (2R,3R)-(-)-dibenzoyl-L-tartaric acid monohydrate
Synonyms: Dibenzoyl-L-tartaric acid, L-(+)-tartaric acid dibenzoyl ester hydrate
CAS Number: 71607-32-4
Recommended Use: Chiral resolving agent, laboratory chemical
Manufacturer: Supplier information provided on accompanying label
Contact Information: Emergency phone listed on packaging or supplier documentation
Product Code: Refer to internal catalog reference

Hazard Identification

Classification : Not classified as hazardous under GHS criteria
Label Elements : No established hazard pictograms
Signal Word: Not applicable
Hazard Statements: May cause mild irritation to eyes, skin, respiratory tract
Precautionary Statements : Avoid breathing dust, minimize direct contact
Potential Health Effects: Eyes: Irritation | Skin: Prolonged contact may cause mild redness | Inhalation: Dust may mildly irritate mucous membranes | Ingestion: Low toxicity expected, large amounts may cause digestive discomfort
Other Hazards: Combustible dust potential in bulk powder form

Composition / Information on Ingredients

Chemical Name: (2R,3R)-(-)-dibenzoyl-L-tartaric acid monohydrate
Formula: C18H14O9 · H2O
CAS Number: 71607-32-4
Concentration: 98–100%
Impurities: Contains only trace impurities not relevant for classification
Additives: None

First Aid Measures

Eye Contact: Rinse with clean water for at least 15 minutes, remove contact lenses, seek medical attention if irritation persists
Skin Contact: Wash thoroughly with soap and water, remove contaminated clothing
Inhalation: Move to fresh air, seek medical advice if symptoms linger
Ingestion: Rinse mouth with water, seek medical guidance for larger exposures
General Advice: Always consult a health professional for exposure concerns, never administer liquids if unconscious
Symptoms: Redness, slight burning in eyes or throat possible in sensitive individuals

Fire-Fighting Measures

Suitable Extinguishing Media: Water spray, dry chemical, foam, carbon dioxide
Unsuitable Extinguishing Media: High-pressure water jets may spread powder
Hazards from Combustion: Emits irritating fumes including carbon oxides, benzene derivatives under fire conditions
Protective Equipment: Use self-contained breathing apparatus, protective clothing
Special Procedures: Evacuate downwind, prevent runoff contaminated by firewater

Accidental Release Measures

Personal Precautions: Wear gloves, lab coat, safety goggles, dust mask for large spills
Environmental Precautions: Avoid release to waterways, minimize dust
Spill Cleanup Methods: Sweep up without generating dust, place in container for disposal, ventilate area
Decontamination: Wipe surfaces with damp cloth, dispose according to regulations
Notification: Inform appropriate personnel in the event of significant release

Handling and Storage

Handling: Avoid unnecessary dust formation, use with adequate ventilation, wash hands after use, keep containers closed
Storage Conditions: Store at room temperature, keep in tightly sealed original packaging, avoid moisture and strong oxidizers
Incompatible Materials: Strong bases, strong oxidizing agents
Safe Storage Practice: Store separately from foodstuffs and incompatible chemicals
Other Advice: Use only in areas free from ignition sources

Exposure Controls and Personal Protection

Exposure Limits: No workplace exposure limits specified by OSHA, ACGIH, or NIOSH
Engineering Controls: Local exhaust or general ventilation recommended
Personal Protective Equipment (PPE): Safety goggles, chemical-resistant gloves, laboratory coat
Respiratory Protection: Dust mask or respirator in poorly ventilated or dusty settings
Hygiene Measures: Avoid eating, drinking, and smoking in work areas, wash thoroughly after handling

Physical and Chemical Properties

Appearance: White to off-white crystalline powder
Odor: Odorless or faint aromatic scent
Melting Point: 220–225°C (decomposition possible above 220°C)
Boiling Point: Not determined, decomposes
Solubility: Slightly soluble in water, soluble in alcohols and organic solvents
Density: Approximately 1.5 g/cm³
pH: Not determined (aqueous solutions slightly acidic)
Partition Coefficient (log Kow): Not available
Vapor Pressure: Negligible at ambient temperature
Flash Point: Not available
Explosive Properties: Non-explosive, combustible powder in bulk
Auto-ignition Temperature: Not available

Stability and Reactivity

Chemical Stability: Stable under normal storage and handling conditions
Reactivity: Low, not prone to hazardous reactions under recommended use
Conditions to Avoid: Open flame, static discharge, humidity, strong oxidizers
Incompatible Materials: Oxidizing agents, strong alkalis
Hazardous Decomposition: Releases carbon monoxide, carbon dioxide, benzene derivatives if burned
Polymerization: Will not occur

Toxicological Information

Acute Toxicity: No data for LD50 in animals, low toxicity expected from structure and limited human exposure reports
Irritation: May cause mechanical or mild chemical eye and skin irritation
Sensitization: No reports of sensitization
Chronic Toxicity: No human or animal chronic exposure studies available, handled for decades in research and industrial settings with no established long-term effects
Mutagenicity, Carcinogenicity, Reproductive Toxicity: Not listed as hazardous by IARC, OSHA, NTP
Routes of Exposure: Inhalation, ingestion, dermal, ocular

Ecological Information

Ecotoxicity: No specific data, not expected to be hazardous due to low use volume and high organic degradability
Persistence and Degradability: Product expected to be biodegradable, based on molecular structure and water solubility
Bioaccumulation Potential: Not anticipated
Mobility in Soil: Slight mobility, rapidly broken down by microorganisms
Other Adverse Effects: No known long-term ecological risks under standard laboratory release scenarios

Disposal Considerations

Waste Treatment Methods: Incinerate or dispose in permitted chemical landfill according to national, regional, or local regulations
Contaminated Packaging: Dispose as solid waste after triple-rinsing containers
Recycling Information: Not reusable in most settings
Preventative Actions: Prevent entry into drains, sewers, or the environment
Disposal Personnel Advice: Use proper PPE at all times when handling waste

Transport Information

UN Number: Not regulated
Proper Shipping Name: Not subject to transport regulations
Transport Hazard Class: Not classified
Packing Group: Not assigned
Environmental Hazards: Not dangerous to environment for transportation
Transport Precautions: Avoid breakage of containers, seal properly, stable during standard shipping and handling
Special Transport Notes: Standard chemical packaging sufficient, no special requirements assigned

Regulatory Information

US TSCA: Listed
EU Reach: Exempt as research chemical, otherwise not officially registered
OSHA: Not hazardous under Hazard Communication Standard
SARA Title III: Not listed as hazardous
California Proposition 65: Not listed
Canadian DSL/NDSL: Not listed
Other International Regulations: Check with local chemical authorities and guidelines for specific countries