Product Name: (-)-di-O,O'-pivaloyl-L-tartaric acid
Synonyms: L-(+)-Tartaric acid dipivaloyl ester, L-tartaric acid bis(2,2-dimethylpropanoate)
Chemical Formula: C16H24O8
CAS Number: 32634-66-5
Recommended Use: Chemical reagent, chromatography derivatization agent
Supplier: Laboratory chemical suppliers and research reagent distributors
Contact Information: Refer to supplier’s address and emergency phone numbers on package label
Classification: Skin Irritant (Category 2), Eye Irritant (Category 2A)
Label Elements: Signal Word: Warning; Hazard Pictograms: Exclamation Mark
Hazard Statements: Causes skin irritation, Causes serious eye irritation
Precautionary Statements: Wear eye/face protection, Use gloves and protective clothing, Do not breathe dust or fumes, Wash exposed skin thoroughly after handling
Potential Health Effects: May cause respiratory tract irritation if inhaled, Prolonged skin contact can result in dryness or cracking
Chemical Name: (-)-di-O,O'-pivaloyl-L-tartaric acid
CAS Number: 32634-66-5
Purity: ≥98% (research chemical standard)
Impurities: Possible organic trace impurities from synthesis
Molecular Structure: Esterified L-tartaric acid with dual pivaloyl groups
Inhalation: Move to fresh air, provide oxygen if breathing becomes shallow, seek medical attention for persistent symptoms
Skin Contact: Wash affected skin with soap and water, remove contaminated clothing, seek medical attention for irritation
Eye Contact: Rinse cautiously under running water for at least 15 minutes lifting eyelids, consult healthcare provider
Ingestion: Rinse mouth with water, do not induce vomiting, seek immediate medical advice
Advice for Physicians: Treat symptomatically, monitor for allergic reactions or respiratory distress
Suitable Extinguishing Media: Water spray, carbon dioxide, dry chemical, foam
Specific Hazards: Thermal decomposition generates carbon oxides and other organic vapors
Protective Equipment: Firefighters should use self-contained breathing apparatus and full protective gear
Hazardous Combustion Products: Carbon monoxide, carbon dioxide, irritating organic fumes
Advice: Evacuate area, prevent run-off into drains, cool exposed containers with water spray
Personal Precautions: Wear gloves, protective clothing, goggles, and use adequate ventilation
Environmental Precautions: Prevent spillage from entering water systems or soil, contain spill with absorbent materials
Methods for Clean-up: Sweep up and collect in appropriate waste container, wash spill area with water and detergent
Disposal: Refer to Section 13 for waste disposal guidelines
Notification: Notify supervisor and follow institutional spill control procedures
Handling: Handle using standard laboratory precautions, avoid skin and eye contact, avoid inhalation of dust, work in fume hood if possible, keep container tightly closed when not in use
Storage: Store in cool, dry, ventilated location away from incompatible substances, keep containers sealed and labeled
Incompatibilities: Strong oxidizers, strong bases
Hygiene Measures: Wash hands thoroughly after handling, do not eat, drink, or smoke in laboratory
Engineering Controls: Use local exhaust ventilation or chemical fume hood to control airborne exposure
Personal Protection: Chemical-resistant gloves (nitrile recommended), safety goggles, laboratory coat, face protection if splashing risk exists
Respiratory Protection: Use NIOSH-approved dust mask or respirator for dust or inadequate ventilation
Exposure Limits: No occupational exposure limits established for this material
Monitoring: Regular workplace monitoring for airborne particulates encouraged
Appearance: Off-white to pale yellow crystalline powder
Odor: Faint organic odor
pH: Not applicable (sparingly soluble in water)
Melting Point: 113-115°C
Boiling Point: Decomposition before boiling
Flash Point: Not available
Solubility: Soluble in methanol, ethanol, acetone; low solubility in water
Relative Density: 1.17 g/cm³ (approximate)
Vapor Pressure: Not determined
Partition Coefficient: Not available
Viscosity: Not relevant for solid
Chemical Stability: Stable under recommended storage and handling conditions
Reactivity: Unreactive under normal laboratory use
Hazardous Reactions: May react with strong oxidizing agents or bases
Conditions to Avoid: Heat, flames, incompatible substances, moisture exposure
Hazardous Decomposition Products: Carbon monoxide, carbon dioxide, other low molecular weight organics
Acute Toxicity: No data on LD50 or LC50 for humans or animals; related esters show low toxicity in limited studies
Skin Contact: Can cause moderate irritation, redness, or dryness
Eye Contact: Exposure may lead to irritation, tearing, redness
Respiratory Sensitization: May cause transient coughing or throat irritation if dust inhaled
Ingestion: Possible gastrointestinal discomfort, nausea, or vomiting
Long-term Effects: No evidence of carcinogenicity, mutagenicity, or reproductive toxicity for this compound
Chronic Exposure: No data available for chronic health hazards; prudent laboratory practices advised
Ecotoxicity: No ecotoxicity data available; expected to have low aquatic toxicity based on structure
Biodegradability: Probably biodegradable over time; actual breakdown rate in environment not well studied
Bioaccumulation Potential: Expected to be low due to low water solubility
Mobility in Soil: Limited mobility, more likely to bind to soil particles
Aquatic Impact: Prevent direct release to surface waters to minimize any risk of contamination
Waste Treatment Methods: Incinerate in approved chemical incinerator or dispose via licensed chemical waste company
Contaminated Packaging: Triple rinse container before disposal, treat rinsate as chemical waste
Disposal Restrictions: Disposal must comply with local, regional, and national regulations; avoid discharge to drains and environment
Special Precautions: Spillage and contaminated absorbent must also be disposed as chemical waste
UN Number: Not classified as a hazardous material for transportation
Proper Shipping Name: Laboratory chemical, not regulated
Transport Hazard Class: Not hazardous
Packing Group: Not assigned
Environmental Hazards: None known under normal transportation conditions
Special Transport Precautions: Keep tightly sealed, avoid excessive heat and mechanical shock during transit
Inventory Status: Product available only for laboratory and research use; not listed as a controlled substance
US TSCA: Not listed for TSCA inventory as research chemical
EU REACH: Not registered for bulk use; limited to research and development uses
Labeling Requirements: Hazard labels required per GHS and local regulations
Workplace Regulations: Handle with routine laboratory safety practices; refer to institutional guidelines
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