Material Safety Data Sheet — Di-o-toluoyl-L-tartaric acid

Identification

Product Name: Di-o-toluoyl-L-tartaric acid
Chemical Formula: C18H16O8
CAS Number: 32634-68-7
Synonyms: (2R,3R)-(+)-Di-p-toluoyl-L-tartaric acid
Recommended Use: Laboratory chemical, research use only
Manufacturer/Supplier: Contact supplied by distributor or manufacturer
Emergency Contact: Refer to local regulations or poison control for contact information

Hazard Identification

Classification: Not classified as hazardous under GHS standards, but good laboratory practice recommends handling with caution
Signal Word: None required under standard GHS conditions
Pictograms: No pictograms assigned
Potential Health Effects: May cause irritation to eyes, skin, and respiratory tract. Effects may depend on personal sensitivity or repeated exposure.
Precautionary Statements: Use protective gloves, clothing, and eye protection. Avoid breathing dust. Wash thoroughly after handling. Take measures to avoid environmental release.

Composition / Information on Ingredients

Chemical Name: Di-o-toluoyl-L-tartaric acid
CAS Number: 32634-68-7
Concentration: 99% or greater in most laboratory samples
Impurities: Minor trace amounts of related tartaric acids or residual solvents possible, consult batch certificate for lot specifics

First Aid Measures

Inhalation: Move to fresh air. Seek medical attention if symptoms appear or persist. Monitor for coughing, shortness of breath, or irritation.
Skin Contact: Wash area with soap and water. Remove contaminated clothing and shoes. Seek medical help for persistent redness or discomfort.
Eye Contact: Rinse eyes with water for at least 15 minutes while holding eyelids apart. Get medical advice if irritation develops.
Ingestion: Rinse mouth thoroughly with water. Do not induce vomiting. Seek prompt medical attention.

Fire-Fighting Measures

Suitable Extinguishing Media: Use water spray, carbon dioxide (CO₂), dry chemical, or foam.
Special Hazards: Burning can produce irritating fumes, possibly carbon monoxide and carbon dioxide.
Protective Equipment for Firefighters: Wear self-contained breathing apparatus and protective gear. Avoid inhalation of combustion products.
Special Procedures: Cool exposed containers with water spray. Isolate hazard area and keep unnecessary personnel away.

Accidental Release Measures

Personal Precautions: Wear gloves, lab coat, eye protection, and suitable respirator if dust formation is likely. Avoid breathing dust.
Environmental Precautions: Prevent spill from entering drains, sewers, or surface water. Collect and contain spillage.
Cleanup Methods: Sweep or scoop up solid material into labeled container for disposal. Wash affected area with water after cleanup. Ventilate area well.

Handling and Storage

Handling: Avoid direct contact with product. Prevent generation of dust. Practice good hygiene—wash hands after handling and before eating or using restrooms.
Storage: Keep in tightly closed container. Store in a well-ventilated, dry place, away from incompatible materials such as strong oxidizers. Maintain stable room temperature, away from direct sunlight or sources of unnecessary heat or moisture.

Exposure Controls and Personal Protection

Engineering Controls: Use local exhaust or general ventilation to minimize airborne particles. Handle in chemical fume hood if available.
Personal Protective Equipment: Safety glasses with side shields, protective gloves (nitrile or PVC recommended), lab coat or apron. Respiratory protection if dust concentration increases (use NIOSH-approved mask). Wash hands and face after handling.
Exposure Limits: No established occupational exposure limits for this compound, follow good laboratory practice and supplier recommendations.

Physical and Chemical Properties

Appearance: White to off-white crystalline powder
Odor: Odorless
Molecular Weight: 360.32 g/mol
Melting Point: Approximately 150–153°C
Boiling Point: Decomposes before boiling
Solubility: Slightly soluble in water, soluble in ethanol and methanol
pH: Not applicable
Vapor Pressure: Not applicable (solid at room temperature)
Flash Point: Not applicable

Stability and Reactivity

Chemical Stability: Product remains stable under recommended storage conditions.
Incompatible Materials: Strong oxidizing agents, strong bases
Hazardous Decomposition Products: Carbon oxides (CO, CO₂) may form under fire conditions
Reactivity: No dangerous reactions known under normal use.
Conditions to Avoid: Excessive heat, sources of ignition, contact with incompatible materials, moisture exposure

Toxicological Information

Acute Toxicity: No data available for acute toxicity in humans or animals
Routes of Exposure: Inhalation, ingestion, skin, and eye contact
Symptoms of Exposure: May cause irritation to mucous membranes, skin, and eyes; coughing or dryness with inhalation of dust
Chronic Effects: No studies found describing long-term health effects. Prolonged exposure not recommended.
Carcinogenicity: No components listed as carcinogenic by IARC, NTP, OSHA, or ACGIH
Sensitization: Not known to cause allergic reactions based on available data

Ecological Information

Ecotoxicity: Limited data available; significant hazard to environment not expected with proper use
Mobility in Soil: Expected to have low mobility due to low solubility
Persistence and Degradability: Product may persist; no specific biodegradation data available
Bioaccumulation: Not expected to bioaccumulate
Other Adverse Effects: Spills in water or soil should be contained and cleaned up promptly to minimize environmental impact

Disposal Considerations

Waste Disposal: Dispose of as chemical waste in licensed facility according to federal, regional, state, and local laws
Container Disposal: Empty containers should be triple rinsed, punctured or crushed, and disposed of in a suitable landfill or by incineration
Special Precautions: Do not allow into drains or water systems. Wear protective equipment while handling waste.

Transport Information

UN Number: Not regulated for transport
Transport Hazard Class: Non-hazardous
Packing Group: Not assigned
Shipping Name: Not regulated
Special Precautions for User: Handle in accordance with good laboratory practice. Secure packages to prevent release.

Regulatory Information

TSCA Status: Chemical listed in the Toxic Substances Control Act Inventory
SARA Title III (Sections 311/312): Does not meet any hazard categories
California Prop 65: Not listed as carcinogenic or reproductively toxic
REACH Status (EU): For research use only, restrictions may apply
Other Regulatory Information: Review all local and national regulations for potential environmental controls and reporting thresholds