Chemical Name: D-Di-p-methyloxyphenyl-tartaric acid
Synonyms: D-(−)-2,3-dihydroxybutanedioic acid 1,4-bis(p-methoxyphenyl)
CAS Number: 32634-68-7
Recommended Use: Chiral resolving agent, research and development applications
Manufacturer: Listed supplier contact only by direct inquiry; laboratory supplier database contains details
Contact Information: Technical support typically through supplier phone/email; 24-hour emergency through regional poison control
Emergency Contact: Follow local medical and emergency procedures, refer to specific poison center resources
Product Code: Specific to batch and supplier; verify per order
Hazard Classification: Eye irritant, possible skin irritant
GHS Label Elements: Exclamation mark, indicative of irritant effect
Hazard Statements: Causes eye irritation; prolonged skin contact may cause mild irritation, not known to cause severe systemic toxicity under standard handling conditions
Precautionary Statements: Wash hands after use, avoid inhalation of dust, use protective equipment, avoid contact with eyes
Signal Word: Warning
Other Hazards: Combustion can produce harmful byproducts, settled dust risk in poorly ventilated areas
Potential Health Effects: Short-term exposure irritates eyes and skin, prolonged contact increases risk, ingestion or inhalation causes digestive discomfort or respiratory irritation
Chemical Identity: D-Di-p-methyloxyphenyl-tartaric acid, purity typically above 98%
Formula: C18H18O8
Impurities: Residue solvents, unreacted starting materials present at <0.5% from standard lab-grade batches
Molecular Weight: 362.33 g/mol
Chemical Family: Organic acid, tartaric derivatives
Stabilizing Additives: None required for short-term bench storage, stabilize in cool, dry containers away from direct light exposure
Eye Contact: Rinse cautiously with water for several minutes, remove contact lenses if present, keep eyelids apart, continue flushing
Skin Contact: Wash immediately with soap and plenty of water, remove any contaminated clothing, monitor for persistent irritation
Inhalation: Move affected individual to open air, keep comfortable, seek medical attention for discomfort, respiratory symptoms, or dizziness
Ingestion: Rinse mouth with water, seek medical support if symptoms appear, do not induce vomiting unless directed by medical professional
Symptoms: Eyes redden, skin may itch or feel dry, mild burning sensation possible, coughing or irritation possible if inhaled as dust
Advice to Doctor: Treat symptoms, monitor airway, provide supportive care
Suitable Extinguishing Media: Use water spray, alcohol-resistant foam, dry chemical powder, or carbon dioxide extinguishers
Unsuitable Media: Direct high-pressure water jets may spread material; avoid their use
Special Hazards Arising from Chemical: Decomposition releases carbon oxides and unidentified toxic fumes
Protective Equipment for Firefighters: Self-contained breathing apparatus, full firefighting turn-out gear recommended to prevent inhalation of gases and skin contact
Firefighting Instructions: Keep containers cool with water spray; avoid inhaling fumes and smoke; evacuate area if fire is uncontrolled
Flash Point: Not determined directly for this compound; methoxy derivatives generally have moderate flash point under open flame
Hazardous Combustion Products: Carbon monoxide, carbon dioxide, possibly dimethyl ether byproducts
Personal Precautions: Wear protective gloves, lab coat, tight-fitting safety glasses, avoid breathing dust
Environmental Precautions: Prevent entry into waterways, drains, and soil
Spill Containment: Collect spilled material using inert absorbent (e.g., sand), sweep gently to minimize dust formation
Cleanup Procedures: Shovel bulk into suitable, labeled waste containers, use damp paper for residues
Ventilation: Operate in well-ventilated area or under chemical hood to reduce airborne particles
Disposal: Dispose of contaminated material as chemical waste in accordance with local regulations
Handling: Minimize dust generation, use in chemical hood, avoid contact with skin, eyes; wash hands thoroughly after use
Safety Hygiene: Wear clean lab coat, remove contaminated clothing promptly, avoid eating, drinking, or smoking nearby
Storage Conditions: Keep container tightly closed, store in original package, use desiccant for extra moisture protection
Temperature: Store below 30°C, ideally room temperature or lower, away from direct sunlight
Incompatible Materials: Strong oxidizing agents, bases
Special Precautions: Prevent static discharge near powder, keep away from ignition sources
Engineering Controls: Local exhaust ventilation, chemical fume hood recommended for open handling
Specific Parameters: No occupational exposure limits established; pharmaceutical and research environments follow general dust control guidelines
Personal Protective Equipment: Chemical splash goggles, nitrile or neoprene gloves, disposable lab coat, closed-toe shoes
Respiratory Protection: N95 or P100 dust mask for repeated or large-scale work, particularly if powder becomes airborne
Hygiene Measures: Wash hands before breaks and after handling, do not touch face or eyes with contaminated gloves
Monitoring: Regular inspection for spills, signs of contamination, and air filtration status
Appearance: Off-white to light yellow powder
Odor: Slightly sweet, organic odor
Melting Point: Approximately 116-119°C
Boiling Point: Decomposes before boiling, no precise point available
Solubility: Slightly soluble in water, soluble in organic solvents like ethanol, methanol, dimethyl sulfoxide (DMSO)
pH: 2-4 (in solution)
Vapor Pressure: Negligible under room temperature conditions
Density: Approximately 1.4 g/cm³
Partition Coefficient (log Pow): Limited data; expected moderate due to aromatic structure
Viscosity: Not applicable, solid at RT
Flash Point: Not readily determined, use caution around sources of ignition
Autoignition Temperature: Not available
Chemical Stability: Stable under recommended storage and handling conditions
Reactivity: Reacts with strong oxidizers and strong bases
Condition to Avoid: Direct sunlight, moisture, heat sources, exposure to open flames
Hazardous Decomposition Products: CO, CO2, organic acids, possible ether fragments if combusted
Polymerization Risk: Will not polymerize under normal conditions
Incompatible Materials: Alkali metals, strong reducing agents
Acute Toxicity: Low; experimental data not fully reported, chemically similar tartaric acids have oral LD50 in rats above 2000 mg/kg
Skin Irritation: Mild, possible dryness or eczema with prolonged contact
Eye Irritation: Significant discomfort, reversible symptoms
Respiratory Sensitization: Risk of throat irritation and coughing from dust inhalation
Ingestion Risk: Gastrointestinal upset, nausea if large amounts ingested
Long-Term Exposure: Chronic exposure data not available, no known carcinogenic or mutagenic effects based on structure-activity relationship
Sensitization: No strong evidence of sensitizing potential, watch for allergy-like symptoms among sensitive individuals
Other Effects: Not anticipated to bioaccumulate or cause systemic toxicity under research lab conditions
Ecotoxicity: No major aquatic or soil toxin data available, similar compounds show rapid degradation and low toxicity
Persistence and Degradability: Readily biodegradable in most soil and water systems due to ester linkages, breaks to low-toxicity compounds
Bioaccumulative Potential: Expected to be low, aromatic oxidation and hydrolysis lower environmental burden
Mobility in Soil: Moderate, will adsorb to clay and soil particles, leaching minimal unless in sandy soils
Other Adverse Effects: Wastewater dilution reduces risk, not expected to alter pH of large bodies significantly
Aquatic Toxicity: Limited direct research; prudent to avoid direct discharge into streams or drains
Waste Treatment Methods: Collect and store waste in sealed, labeled chemical containers, avoid mixing with household waste
Disposal of Product: As chemical waste, at authorized hazardous waste facility, follow local and national regulations
Disposal of Contaminated Packaging: Triple rinse containers, remove or deface label, dispose as chemical waste
Special Cautions: Do not incinerate in unapproved settings, avoid release to the environment
Recycling: Not recommended
Sewage Disposal: Not suitable
UN Number: Not classified as hazardous for transport
Transport Hazard Class: Not regulated
Packing Group: Not assigned
Environmental Hazards: Not a marine pollutant, not regulated under ADR, IATA, IMDG
Special Precautions for Transport: Ship in robust, sealed container, protect from physical damage, keep away from heat, moisture, and direct sunlight
Labeling Requirement: Standard chemical shipping label showing substance name, address, and emergency phone
Handling during Transit: Avoid container puncture, rough handling, do not stack heavy items on top
Safety, Health, and Environmental Regulations: Not specifically listed on US TSCA, European REACH, or other major regulatory lists; falls under general chemical safety guidelines
Workplace Safety Standard: Comply with OSHA Lab Standard, recommended PPE, signage in storage area, inform staff about first aid
Labeling Standards: GHS-compliant label, clear hazard pictograms, emergency contact information
Recordkeeping: Maintain use and disposal records as part of standard laboratory management practices
Training Obligations: Ensure personnel understand risks and safety controls, annual safety refresher required in many jurisdictions
Country-Specific Rules: Additional state or local restrictions may apply; consult regional chemical regulations
SARA 311/312 Hazard Categories: Not hazardous
Other Classification: Not a controlled substance, not subject to transport quantity restrictions
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