Product Name: (−)-Dibenzyl D-tartrate
Chemical Formula: C18H18O6
CAS Number: 32634-68-7
Molecular Weight: 330.33 g/mol
Recommended Uses: Reagent, chemical synthesis, pharmaceutical intermediate
Supplier Information: Manufacturer or distributor contact details found on container or shipping documentation
Emergency Contact: Refer to company emergency contact or national poison center
GHS Classification: Not classified as hazardous under GHS criteria
Signal Word: None required
Hazard Statements: May cause mild skin or eye irritation
Precautionary Statements: Avoid direct contact with eyes, skin, and clothing; maintain proper hygiene after handling
Potential Health Effects: Prolonged or repeated exposure can cause slight discomfort
Environmental Hazards: Product may persist if released, avoid discharge into wastewater or environment
Label Elements: No pictogram required; standard lab labeling applies
Chemical Name: (−)-Dibenzyl D-tartrate
Common Synonyms: Dibenzyl Tartrate, D-tartaric acid dibenzyl ester
Purity: ≥ 98% (as stated by supplier)
Impurities: <1% (unidentified esters, hydrolyzed products, minor tartrate contamination)
Solvent or Additives: None typically present in reagent-grade material
Inhalation: Remove affected person to fresh air. Seek medical attention if symptoms develop.
Eye Contact: Rinse immediately with plenty of water for at least 15 minutes; remove contact lenses if present and continue rinsing. Get medical help if irritation persists.
Skin Contact: Wash thoroughly with soap and water; remove contaminated clothing. If irritation continues, consult a physician.
Ingestion: Rinse mouth, never give anything by mouth if person is unconscious; seek immediate medical advice or attention.
Symptoms: Minor irritation, slight respiratory tract discomfort in dusty environments, mild gastrointestinal upset on ingestion
Medical Attention: Show this sheet to medical personnel, ensure symptomatic treatment is provided
Suitable Extinguishing Media: Use water spray, dry chemical, foam, or carbon dioxide;
Unsuitable Extinguishing Media: Do not use high-pressure water jets directly on burning material
Specific Hazards: Combustible solid, may emit toxic fumes under fire conditions (COx, smoke)
Protective Equipment: Firefighters need self-contained breathing apparatus (SCBA) and full protective gear
Additional Advice: Move containers away from fire if it can be done safely, prevent fire run-off from entering drains or watercourses
Personal Precautions: Wear chemical-resistant gloves, safety goggles, and suitable protective clothing
Environmental Precautions: Prevent large spills from entering sewers or waterways
Methods for Cleanup: Sweep up without creating dust, collect in clearly labeled, sealable containers for proper disposal; ventilate area and wash site after removal with detergent and water
Emergency Procedures: Communicate spill risk to co-workers, ensure adequate ventilation to prevent accumulation of dust or vapors
Handling: Work in well-ventilated location; avoid contact with eyes and skin; avoid ingestion or inhalation; minimize dust generation and accumulation; practice good laboratory hygiene
Storage Conditions: Store in tightly closed container in a cool, dry, and well-ventilated place away from incompatible substances (strong oxidizers, acids, bases); protect from light and humidity
Specific Uses: Only use for intended applications, keep away from food and drink areas; limit access to trained personnel only
Occupational Exposure Limits: No specific thresholds established for this compound; handle as for general laboratory chemicals
Engineering Controls: Work in fume hood or with local ventilation; ensure eyewash stations and safety showers are available
PPE - Eyes: Use safety glasses or chemical splash goggles
PPE - Skin: Use nitrile or neoprene gloves, laboratory coat
PPE - Respiratory: No respirator required under normal use; for dusty or poorly ventilated areas, wear a suitable particle respirator
General Protection: Prevent ingestion, inhalation, and contact with skin, eyes
Physical State: Solid
Appearance: White to off-white crystalline powder
Odor: Faint, characteristic (may be odorless)
Melting Point: 98–104°C
Boiling Point: Not relevant;
Solubility: Insoluble in water, freely soluble in organic solvents (e.g., ethanol, chloroform, acetone)
pH: Not applicable (insoluble)
Partition coefficient (n-octanol/water): Data not available
Flash Point: Data not established
Vapor Pressure: Negligible
Density: Approx. 1.3 g/cm³
Decomposition Temperature: Decomposes at higher temperatures, no significant hazardous decomposition at storage conditions
Chemical Stability: Stable under recommended storage and handling conditions
Reactivity: Low, does not react rapidly in ambient conditions
Conditions to Avoid: Moisture, extremes of heat, exposure to strong acids or oxidizing agents
Incompatible Materials: Strong oxidizers, strong bases, strong acids
Hazardous Decomposition: May release carbon oxides, benzyl compounds on combustion
Polymerization: No risk of hazardous polymerization under normal situations
Probable Routes of Exposure: Inhalation, skin contact, eye contact, ingestion
Acute Toxicity: No acute toxicity data available; expected low toxicity based on chemical structure
Chronic Toxicity: No specific data; frequent exposure may lead to mild irritant effects
Skin Corrosion/Irritation: Mild irritant on prolonged exposure
Eye Damage/Irritation: May cause mild physical irritation
Respiratory Sensitization: Not expected to be a respiratory sensitizer
Carcinogenicity: Not listed by IARC, NTP, or OSHA
Mutagenicity: No information available from public literature
Other Effects: Not classified as hazardous; standard precaution for lab chemicals applies
Aquatic Toxicity: No reliable ecotoxicity data available; avoid large releases
Persistence and Degradability: Expected to degrade slowly; not rapidly biodegradable
Bioaccumulation Potential: No significant bioaccumulation predicted based on structure
Mobility in Soil: Binds to organic matter, not highly mobile; poorly water-soluble
Other Adverse Effects: No known significant effects at laboratory scale
Environmental Precautions: Prevent large accidental discharges into the environment
Waste Treatment Methods: Dispose of as hazardous laboratory chemical waste
Disposal Containers: Use sealable, puncture-resistant containers labeled for chemical waste
Incineration: Incineration recommended at approved facility with appropriate emissions controls
Waste Codes: Not assigned, follow local, regional, and national disposal regulations
Other Disposal Recommendations: Avoid disposal via regular sewage or municipal solid waste streams
UN Number: Not regulated under UN, IMDG, or IATA transport codes
Proper Shipping Name: Chemical, not otherwise specified
Hazard Class: Not classified as dangerous for transport
Packing Group: None required
Environmental Hazards: No specific hazards identified for transport
Special Precautions: Secure packaging, avoid rough handling; prevent leaking during transportation
OSHA Status: Not listed as a hazardous chemical
SARA Title III: Not subject to reporting requirements
TSCA Inventory Status: Appears in TSCA Chemical Inventory or exempt
EU Regulations (REACH): Not classified or not registered for high-volume uses
Labeling Requirements: Complies with standard laboratory chemical labeling
Other Regulatory Status: Not listed as a controlled chemical under US, EU, Canadian, Japanese or Australian schemes; always check regional regulatory frameworks before handling or transport
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