Product Name: Di-p-Toluoyl-D-Tartaric Acid Monohydrate
Synonyms: DPTTA, DPTT Monohydrate
Chemical Formula: C20H18O9·H2O
CAS Number: 32634-68-7
Recommended Use: Chiral resolving agent, chemical intermediate
Supplier Details: Laboratory supply companies or bulk chemical manufacturers
Emergency Contact: Reference regional poison control and local emergency numbers
Classification: Not classified as hazardous under GHS criteria. May cause irritation to eyes, skin, and respiratory tract.
Label Elements: No symbol or signal word required by GHS. Minimal hazard phrases include: "May cause mild skin or eye irritation."
Routes of Exposure: Inhalation, ingestion, contact with eyes or skin.
Potential Health Effects: Eye contact may lead to redness or discomfort; skin may develop dryness or mild inflammation; inhalation could trigger coughing.
Environmental Hazards: Not expected to pose acute risks to aquatic environments; limited data available.
Chemical Identity: Di-p-Toluoyl-D-Tartaric Acid Monohydrate
Content: >98% by weight
Impurities: Trace amounts of parent acids and moisture
Water of Hydration: Contains one water molecule per molecule of acid
Molecular Weight: 422.38 g/mol
Inhalation: Remove person to fresh air, monitor breathing, seek medical advice if symptoms develop.
Skin Contact: Wash affected skin with soap and water, remove contaminated clothing.
Eye Contact: Flush eyes with water for several minutes, lift eyelids to ensure thorough rinsing.
Ingestion: Rinse mouth with water, seek medical help if feeling unwell; do not induce vomiting unless directed by a healthcare provider.
Note to Healthcare Providers: Treat symptomatically; there are no known specific antidotes for this compound.
Suitable Extinguishing Media: Use water spray, carbon dioxide, dry chemical powder, or foam.
Specific Hazards: Material may decompose under fire conditions producing carbon monoxide, carbon dioxide, and minor organic fragments.
Protective Equipment: Firefighters need self-contained breathing apparatus and full protective clothing.
Thermal Decomposition Products: Irritant fumes and smoke may be released during combustion.
Advice: Move containers away from fire area if this can be done without risk. Avoid inhaling combustion gases.
Personal Precautions: Avoid dust formation and breathing dust; ventilate area.
Protective Equipment: Use chemical-resistant gloves, goggles, and dust mask.
Cleanup Methods: Sweep up without creating dust, collect in a suitable container, clean surface with water after pickup.
Environmental Precautions: Avoid discharge into drains, watercourses, or soil to prevent runoff; use spill containment if necessary.
Disposal: Place in a sealed bag or approved disposal container for waste management.
Handling: Keep containers tightly closed, use with proper local exhaust or general ventilation. Avoid inhalation and prolonged skin contact.
Storage Conditions: Store in a cool, dry, well-ventilated area, keep away from incompatible materials like strong oxidizers.
Packaging Materials: Use sealed glass or HDPE containers, label clearly with content and hazard statements.
Transfer Precautions: Minimize release of dust and static electricity when dispensing.
Storage Temperature: Maintain below 25°C, prevent exposure to significant moisture.
Permissible Exposure Limits: No established regulatory exposure limits.
Engineering Controls: Ensure adequate ventilation, employ laboratory fume hood or extraction fans.
Respiratory Protection: Wear NIOSH-approved dust respirator if dust levels exceed comfort.
Hand Protection: Use disposable nitrile or latex gloves, change gloves frequently if splashing.
Eye Protection: Chemical safety goggles or face shield for splash protection.
Skin Protection: Wear a laboratory coat or apron.
Hygiene Measures: Wash hands and exposed skin after handling, do not eat, drink, or smoke in work area.
Appearance: White to off-white crystalline powder
Odor: No significant odor
pH (solution): Slightly acidic in water
Melting Point: 162-165°C (decomposes)
Solubility: Sparingly soluble in water, soluble in alcohols, partially soluble in ethers
Boiling Point: Not applicable (decomposes)
Flash Point: Not readily flammable
Vapor Pressure: Negligible
Density: 1.42 g/cm³
Partition Coefficient (log Pow): Data not available
Chemical Stability: Stable under recommended storage and handling conditions.
Reactivity: No evidence of hazardous polymerization or violent reactivity.
Incompatible Materials: Strong oxidants, strong bases.
Decomposition Products: Thermal decomposition generates carbon monoxide, carbon dioxide, and organic byproducts.
Hazardous Reactions: Contact with incompatible materials could accelerate degradation; keep dry and away from reactive agents.
Acute Toxicity: Low toxicity based on structural analog data.
Routes of Exposure: Inhalation, ingestion, dermal, ocular
Health Effects: Dust may cause transient irritation to mucosal linings of nose, throat, or eyes; long-term exposure is not expected to cause chronic harm.
Carcinogenicity: No data indicating carcinogenic potential by regulatory agencies
Mutagenicity: No information supporting mutagenic risk
Reproductive Toxicity: No evidence of adverse reproductive effects
Chronic Effects: Prolonged exposure not known to cause systemic disease; possible dermal sensitizer for susceptible individuals
Ecotoxicological Data: No measured LC50 or EC50 for aquatic organisms; based on chemical structure, expected to pose low risk.
Persistence and Degradability: Limited biodegradability data; not expected to persist in natural environments.
Bioaccumulation: Low likelihood of bioaccumulation owing to moderate water solubility and low log Pow
Mobility in Soil: Expected to be moderately mobile; may bind to soil organic matter
Other Adverse Effects: No data on ozone depletion, global warming potential, or endocrine disruption.
Waste Treatment Methods: Dispose of as hazardous chemical waste using licensed waste contractors.
Contaminated Packaging: Rinse and dispose of containers in accordance with local and national regulations.
Incineration: Incinerate in chemical incinerator equipped with afterburner and scrubber; avoid uncontrolled burning.
Sewer Disposal: Do not discharge into sewers or surface waters.
Disposal Restrictions: Follow spill response protocol for laboratory chemicals; do not mix with municipal or household waste.
UN Number: Not classified as a regulated material for transport
Transport Hazard Class: Non-hazardous by ADR/RID, IMDG, IATA, DOT
Packing Group: Not assigned
Special Precautions: Keep container tightly closed, protect from moisture during shipment.
Labels Required: None under current transportation regulations
Environmental Hazards in Transport: Not listed as marine pollutant
Transport in Bulk: Not applicable for bulk handling
Inventory Listings: Present in TSCA (USA), REACH (Europe), DSL (Canada), AICS (Australia)
OSHA Hazard Classification: Not hazardous
EU Classification: Not classified as dangerous under Regulation (EC) No 1272/2008
SARA Title III: Not listed as reportable substance
California Proposition 65: Not on Proposition 65 list
WHMIS (Canada): Not controlled under WHMIS
Other Information: Observe standard laboratory safety practices and country-specific regulations as required by health, safety, and environmental agencies