Product Name: (2S,3S)-(+)-Diethyl 2,3-O-benzylidenetartrate
Synonyms: (2S,3S)-Tartaric acid diethyl ester benzylidene acetal
Chemical Formula: C16H18O6
Manufacturer: Contact supplier for updated information
Recommended Uses: Laboratory reagent, chiral auxiliary in synthesis
Emergency Contact: Refer to local authorities or poison control
GHS Classification: Not classified as hazardous under GHS for most use-cases, though substances with similar structure may cause irritation
Potential Health Effects: Can cause skin and eye irritation, respiratory discomfort with dust inhalation
Pictograms: Exclamation mark (if irritation noted), none under usual handling
Signal Word: Warning
Hazard Statements: May cause mild skin and eye irritation, possible respiratory irritation if dust is generated
Precautionary Statements: Avoid breathing dust, wear protective gloves, wash hands after handling, use in well-ventilated areas
Chemical Name: (2S,3S)-(+)-Diethyl 2,3-O-benzylidenetartrate
CAS Number: 125342-79-4
EC Number: Not assigned
Purity: Typically >98% by weight
Impurities: Trace residual solvents, synthetic byproducts in minor quantities
Inhalation: Move person to fresh air, assist breathing as necessary, seek medical attention with persistent symptoms
Skin Contact: Remove contaminated clothing, wash skin thoroughly with soap and water, get medical help if irritation or rash appears
Eye Contact: Flush with running water for at least 15 minutes holding eyelids open, remove contact lenses if present and easy to do, seek medical advice if discomfort persists
Ingestion: Rinse mouth, do not induce vomiting, seek immediate medical attention if large amounts are swallowed or if symptoms develop
Extinguishing Media: Use carbon dioxide, dry chemical powder, or appropriate foam; water spray for larger fires only
Special Hazards: Combustion or thermal decomposition can release irritating fumes and carbon oxides
Protective Equipment: Firefighters should wear full self-contained breathing apparatus and structurally protective clothing
Advice: Prevent run-off from entering drains or waterways, avoid inhalation of combustion products, cool exposed containers with water spray
Personal Precautions: Ventilate area, avoid dust formation, use protective gloves and eye protection
Environmental Precautions: Prevent spillage from contaminating soil, waterways, and drains
Cleanup Procedures: Sweep up spills, collect material into suitable waste container, clean area with detergent solution, dispose according to local regulations
Handling: Avoid contact with eyes, skin, and clothing; do not breathe dust; use only in areas with adequate ventilation; keep container tightly closed when not in use
Storage Conditions: Store in a cool, dry location away from sources of ignition and strong oxidizing agents
Incompatibilities: Strong oxidizing acids or bases
Storage Materials: Use chemically resistant containers; keep material away from food and drink
Engineering Controls: Laboratory fume hood or adequate ventilation system
Respiratory Protection: Use a dust mask or respirator if dust is generated
Skin Protection: Chemical-resistant gloves (nitrile or neoprene recommended), protective clothing
Eye Protection: Safety goggles or chemical splash proof glasses
Hygiene Measures: Wash hands thoroughly after use, avoid eating, drinking, or smoking while handling, remove contaminated clothing and wash before reuse
Physical State: Crystalline solid
Color: White to off-white
Odor: Faint aromatic
Melting Point: Approx. 73-77°C
Boiling Point: Decomposes before boiling
Flash Point: Information not specified; typically not highly flammable
Density: About 1.27 g/cm³
Solubility: Slightly soluble in water, soluble in common organic solvents such as ethanol, acetone, ethyl acetate
pH: Not applicable
Partition Coefficient (log Pow): Not available
Vapor Pressure: Low at room temperature
Chemical Stability: Stable under standard laboratory conditions
Hazardous Reactions: None expected if used as intended
Incompatible Materials: Strong oxidizers, strong acids or bases
Decomposition Products: Carbon oxides, possible organic vapors under fire conditions
Polymerization: Not known to occur
Acute Toxicity: Data on acute oral, dermal, and inhalation toxicity are limited, but structurally similar compounds show low toxicity
Chronic Effects: No known chronic health effects
Skin and Eye Contact: May cause mild irritation
Inhalation: Dust may irritate upper respiratory tract
Carcinogenicity: No component listed as carcinogen by IARC, NTP, or OSHA
Mutagenicity: No data available
Reproductive Effects: No data available
Ecotoxicity: Effects not fully evaluated, but not expected to cause significant harm at low concentrations
Persistence and Degradability: Expected to be biodegradable based on structure
Bioaccumulation: Low; does not accumulate in aquatic organisms
Mobility in Soil: Intermediate; may partition to organic matter
Other Adverse Effects: No significant environmental hazards known for controlled laboratory or small-scale use
Waste Procedures: Place in tightly sealed containers for chemical waste collection
Disposal Methods: Incineration in accordance with local regulations is recommended
Environmental Precautions: Avoid release to soil, water, or drains
Contaminated Packaging: Rinse thoroughly and dispose in compliance with official regulations
UN Number: Not regulated for transport under standard UN criteria
Proper Shipping Name: Not regulated
Transport Hazard Class: Non-hazardous for most modes of transport
Packing Group: Not assigned
Special Precautions: Avoid rough handling, secure container during transit
OSHA Status: Hazardous substance according to hazard communication standard only for direct contact or inhalation
TSCA Inventory: Check for specific status as substance may be listed under research exemption
Risk Phrases: R36/37/38: Irritating to eyes, respiratory system, and skin
SARA/Title III: Not regulated
Other International Regulations: Not designated as dangerous for supply within the EU; local regulations may apply
Label Requirements: Handle as chemical of unknown toxicological properties; maintain good laboratory practice
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