MSDS for (2S,3S)-(+)-DI-O-BENZOYLTARTARIC ACID

Identification

Product Name: (2S,3S)-(+)-Di-O-benzoyltartaric acid
Chemical Formula: C18H14O8
SYNONYMS: (+)-Di-O-benzoyl-L-tartaric acid, Dibenzoyltartaric acid
Recommended Uses: Chiral resolving agent, organic synthesis, pharmaceutical intermediate
Manufacturer/Supplier: Specialty chemicals provider (Contact information varies by distributor)
Emergency Contact: Refer to supplier or Chemtrec (1-800-424-9300 USA)
CAS Number: 2743-38-6
EC Number: 220-414-3
Product Code: As assigned by supplier
Intended User: Professional laboratory and research personnel only

Hazard Identification

Classification: Not classified as hazardous according to OSHA and GHS criteria
Signal Word: None
Hazard Statements: May cause slight respiratory or skin irritation in sensitive individuals
Precautionary Statements: Avoid breathing dust, keep container tightly closed, wash hands after use
Physical Hazards: Fine powder may cause dust, potentially irritating the respiratory tract
Health Hazards: Minor eye or skin irritation possible; ingestion may cause stomach upset
Environmental Hazards: Not classified, but should not be allowed to enter waterways
Pictograms: None required
Supplemental Hazard Info: Affects individuals with respiratory sensitivities more, use with proper ventilation

Composition / Information on Ingredients

Chemical Name: (2S,3S)-(+)-Di-O-benzoyltartaric acid
CAS Number: 2743-38-6
Purity: >98% (commercial grade)
Molecular Weight: 358.30 g/mol
Impurities: None significant, low levels of related organic acids possible by synthesis
Stabilizers/Preservatives: None present
Allergens: No known common allergens associated
Mixtures: Not a mixture; single ingredient substance

First Aid Measures

Inhalation: Move person to fresh air, keep comfortable, seek medical attention if symptoms persist
Skin Contact: Wash with soap and water, remove contaminated clothing, continue rinsing if irritation develops
Eye Contact: Rinse cautiously with water for up to 15 minutes, remove contact lenses if present, seek medical help if irritation remains
Ingestion: Rinse mouth, drink water if conscious, do not induce vomiting, call a doctor if large quantities swallowed or discomfort develops
Most Important Symptoms: Minor irritation of eyes, skin, respiratory system
Immediate Medical Attention: Not likely needed for minor exposure, but seek medical evaluation if in doubt or for persistent symptoms
Notes to Physician: Treat symptomatically; no antidote, supportive care recommended

Fire-Fighting Measures

Suitable Extinguishing Media: Water spray, dry chemical powder, carbon dioxide, foam
Unsuitable Media: Direct water jet may disperse dust, which can be irritating
Special Fire Hazards: May emit benzene, benzoic acid, or carbon oxides under combustion
Protective Equipment: Firefighters use self-contained breathing apparatus and full protective gear
Firefighting Instructions: Remove containers from risk area if safe, cool exposed containers with water spray
Explosion Data: No explosive properties anticipated, dust clouds may create localized risk
Byproducts: Carbon monoxide, carbon dioxide, low molecular weight organics possible

Accidental Release Measures

Personal Precautions: Use dust mask or respirator, goggles, chemical-resistant gloves
Environmental Precautions: Keep away from drains, surface and groundwater
Methods for Containment: Scoop or sweep up spill with minimal dusting, collect residue in sealed containers
Cleaning Procedure: Ventilate area, dampen powder for easier collection, wash spill area with water
Disposal: Dispose in accordance with federal, state, local laws; avoid dust generation
After Cleanup: Wash hands thoroughly, ventilate and clean area to avoid residue accumulation
Special Measures: Report sizable spills to environmental authorities if local regulations require it

Handling and Storage

Handling: Use in well-ventilated space, avoid raising dust, wear protective gear, keep away from ignition sources
Hygiene Practices: Wash hands before eating or drinking, remove soiled clothing and wash after handling
Safe Storage: Store in cool, dry, tightly-closed labeled containers, away from incompatible substances (e.g., strong oxidizers)
Storage Temperature: Room temperature suggested (15-25°C)
Restrictions: Only trained, authorized staff should handle; keep away from food, beverages, and animal feed
Container Material: Store in glass, plastic, or lined metal containers
Packaging: Use moisture-tight containers, avoid breakable packaging for transport

Exposure Controls and Personal Protection

Exposure Limits: No established limits (OSHA, ACGIH)
Engineering Controls: Use local exhaust or fume hood for dust control
Respiratory Protection: NIOSH-approved mask for particulate if dust forms
Eye Protection: Safety glasses with side shields or splash-proof goggles
Skin Protection: Lab coat, chemical-resistant gloves (nitrile or latex recommended)
Environmental Control: Avoid discharges to sewer or environment, use spill trays
Workplace Hygiene: Do not eat, drink, or smoke during use; wash hands after use
Hand Protection: Impermeable gloves, change if torn or contaminated
Other Protection: Protective footwear, emergency eyewash/showers near work area

Physical and Chemical Properties

Appearance: White or off-white crystalline powder
Odor: Odorless
Odor Threshold: Not applicable
pH: Weakly acidic in solution
Melting Point: 205–210°C
Boiling Point: Decomposes before boiling
Flash Point: Data not available
Evaporation Rate: Not applicable (solid)
Flammability: Not flammable, may burn at high temperatures
Explosive Limits: Not determined
Vapor Pressure: Negligible (room temperature)
Vapor Density: Not applicable
Specific Gravity: Approximately 1.5
Water Solubility: Slightly soluble
Partition Coefficient (log Kow): Not established
Auto-ignition Temperature: Not established
Decomposition Temperature: Above 220°C
Viscosity: Not applicable
Other Data: Stable in dry, cool conditions

Stability and Reactivity

Chemical Stability: Stable at typical laboratory conditions
Hazardous Reactions: None known under normal use
Reactivity: Unlikely, except with strong oxidizers
Conditions to Avoid: Humidity, excessive heat, open flame
Incompatible Materials: Strong oxidants (e.g., peroxides), strong bases
Decomposition Products: Benzoyl compounds, carbon oxides, minor organics possible when heated
Polymerization: Will not occur
Shelf Life: Stable for at least 2 years in sealed containers

Toxicological Information

Acute Effects: Eye, skin, and respiratory irritation possible in susceptible individuals
Oral Toxicity: LD50 (oral, rat): Not established, similar organic acids suggest low acute toxicity
Skin Contact: May cause mild irritation; no severe outcomes reported with standard use
Eye Contact: Short term redness or discomfort
Sensitization: No known sensitizing properties
Chronic Effects: None known or documented with standard research exposure
Mutagenicity: No data, chemical structure suggests low likelihood
Carcinogenicity: Not listed by IARC, NTP, or OSHA
Reproductive Toxicity: No data to suggest risk
Routes of Exposure: Inhalation, skin and eye contact, ingestion
Medical Conditions Aggravated: Pre-existing respiratory or skin conditions

Ecological Information

Ecotoxicity: Limited evidence on aquatic life, avoid large releases
Persistence and Degradability: Expected to be slowly biodegradable in environment
Bioaccumulation: Low bioaccumulation potential based on chemical structure
Soil Mobility: Binds to soil, low mobility in aqueous systems
Aquatic Toxicity: Not classified as hazardous but data insufficient for detailed assessment
Other Adverse Effects: No known significant ozone depletion or greenhouse effects
Best Practice: Prevent entry into natural waters, avoid discharge into the ecosystem

Disposal Considerations

Waste Disposal: Dispose of in accordance with local, regional, and national laws
Container Disposal: Rinse and recycle or dispose of safely as non-hazardous chemical waste
Methods: Incinerate at approved facility or landfill as permitted
Reuse: Do not attempt to recycle for laboratory or pharmaceutical use
Disposal Precautions: Avoid dust generation, use sealed containers
Special Considerations: Notify appropriate waste management authorities for large quantities

Transport Information

UN Number: Not regulated by UN
Proper Shipping Name: Not regulated for transport
Transport Hazard Class: Not applicable
Packing Group: Not assigned
Marine Pollutant: No
Special Precautions: Handle with care to prevent package breakage
Transportation Label: Not required
Bulk Transport: Follow best practice for safe containment and moisture protection
Bill of Lading Description: Di-O-benzoyltartaric acid, laboratory chemical

Regulatory Information

TSCA Inventory: Listed
REACH Registration: Exempt or pre-registered for research quantities
SARA Title III Section 313: Not subject
OSHA: Not specifically regulated
California Prop 65: Not listed
WHMIS Classification (Canada): Non-controlled
International Regulations: Not specifically listed or restricted by EU, Japan, Korea regulations for research use
Labeling Requirements: Name, chemical formula, hazard & precautionary info per GHS lab use
Restrictions: For research and industrial use only
Chemical Safety Assessment: Not required for laboratory use amounts