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Product Name: DL-Alanine
Chemical Name: 2-Aminopropanoic acid
CAS Number: 302-72-7
Molecular Formula: C3H7NO2
Molecular Weight: 89.09 g/mol
Use: Laboratory reagent, intermediate in synthesis, nutritional supplement in some cases
Supplier Information: Manufacturer or distributor address, contact number, and emergency phone line listed on the supplied packaging
Synonyms: α-Aminopropionic acid
Recommended Restrictions: Not for human or veterinary drug use
GHS Classification: Not classified as hazardous according to GHS criteria
Label Elements: No signal word, hazard statement, pictogram, or precautionary statement required
Main Hazards: Dust can irritate respiratory system, eyes, and skin; low toxicity profile
Routes of Exposure: Inhalation, skin contact, eye contact, ingestion
Effects of Overexposure: Can cause transient irritation in eyes, on skin, or when inhaled
OSHA Hazard Status: Not defined as hazardous by OSHA standards
Chemical Identity: DL-Alanine
CAS Number: 302-72-7
Concentration: 98% or above (common laboratory grade)
Impurities: Trace inorganic salts possible from synthesis
Other Information: No other constituents contributing to hazard listed
General Advice: Move person away from exposure, seek medical attention if symptoms persist
Inhalation: Move to fresh air, keep at rest, monitor breathing
Skin Contact: Wash thoroughly with soap and water, remove contaminated clothing
Eye Contact: Flush eyes with water for several minutes, remove contacts if present
Ingestion: Rinse mouth, drink water if conscious, do not induce vomiting unless directed by professional
Most Important Symptoms: Irritation of respiratory tract, skin, eyes; no delayed or chronic symptoms known
Indication for Immediate Medical Attention: Not typically required unless severe irritation occurs
Suitable Extinguishing Media: Water spray, carbon dioxide, dry chemical, foam
Specific Hazards: May emit nitrogen oxides, carbon monoxide, carbon dioxide under combustion
Precautions for Firefighters: Use self-contained breathing apparatus, protective clothing
Hazardous Combustion Products: CO, CO2, NOx released in case of fire
Special Procedures: Prevent runoff from fire control from entering water bodies or drains
Unusual Fire/Explosion Hazards: Not considered flammable or explosive in solid state
Personal Precautions: Wear dust mask, goggles, gloves; avoid generating dust
Environmental Precautions: Prevent release to waterways, sewers, or sensitive environments
Spill Cleanup Methods: Sweep or vacuum up material, avoid dry sweeping that creates airborne dust, place in appropriate container for disposal
Decontamination: Wash affected area with water to ensure removal of residues
Other Precautions: Ensure proper ventilation in the cleanup area
Handling: Avoid breathing dust, avoid contact with skin and eyes, keep containers tightly closed, only open in well-ventilated areas, handle using standard laboratory procedures for non-hazardous powders
Protective Measures: Prevent dust formation, use local exhaust if dust or mist forms
Storage Conditions: Keep in cool, dry place, store away from strong acids and oxidizers, protect from heat and moisture
Recommended Container Materials: Glass or high-density polyethylene, sealed tightly
Incompatibilities: Strong oxidizing agents, acids
Occupational Exposure Limits: No threshold limit value assigned by ACGIH, OSHA
Engineering Controls: Local exhaust ventilation or adequate general ventilation
Respiratory Protection: Dust mask or NIOSH-approved respirator in case of dust formation
Hand Protection: Impermeable gloves such as nitrile or latex
Eye Protection: Safety glasses or chemical splash goggles
Skin Protection: Lab coat and closed-toe shoes
Hygiene Measures: Wash hands after use, do not eat or drink in working area
Appearance: White crystalline powder
Odor: Odorless
Odor Threshold: Not applicable
pH: 5.5–7.0 (1% solution in water)
Melting Point/Freezing Point: 297 °C (decomposes)
Boiling Point: Not applicable (decomposes before boiling)
Flash Point: Not applicable
Evaporation Rate: Not volatile
Flammability: Not flammable
Explosive Limits: Not applicable
Vapor Pressure: Not applicable
Vapor Density: Not applicable
Relative Density: 1.424 g/cm3 at 20 °C
Solubility: 16.7 g/100 mL in water at 25 °C
Partition Coefficient (n-octanol/water): -2.85
Autoignition Temperature: Not available
Decomposition Temperature: Above 297 °C
Viscosity: Not applicable
Chemical Stability: Stable under normal conditions
Thermal Decomposition: May yield toxic fumes of CO, CO2, NOx at elevated temperatures
Reactivity: Not reactive under recommended conditions
Conditions to Avoid: Heat, open flame, moisture, contact with acids or oxidizers
Incompatible Materials: Strong oxidizers, acids
Hazardous Decomposition Products: Ammonia, carbon dioxide, carbon monoxide, nitrogen oxides
Polymerization: Will not occur
Acute Toxicity: Oral LD50 in rats reported above 15,000 mg/kg
Skin Corrosion/Irritation: Non-irritant to rabbit skin in standard studies
Eye Damage/Irritation: Non-irritant to rabbit eyes
Respiratory or Skin Sensitization: Not sensitizing
Carcinogenicity: Not classified as carcinogen by IARC, ACGIH, NTP, OSHA
Reproductive Toxicity: No evidence of toxicity to reproduction
Mutagenicity: Negative in standard assays
Routes of Exposure: Skin, eye, inhalation, ingestion
Chronic Effects: No reported chronic or delayed effects from exposure
Additional Information: Similar toxicity profile to common amino acids, low hazard expected for standard laboratory use
Ecotoxicity: Not expected to harm aquatic life at concentrations encountered in environment
Persistence and Degradability: Readily biodegradable in soil and water
Bioaccumulative Potential: BCF expected to be low, low potential
Mobility in Soil: High, as soluble in water
Other Adverse Effects: No significant environmental effects known
Aquatic Toxicity Data: No acute aquatic toxicity found in literature
Waste Treatment Methods: Dispose of in accordance with local, regional, national, and international regulations
Recommended Disposal: Incineration or landfill in properly permitted facility
Contaminated Packaging: Triple rinse and reuse or offer for recycling where permitted
Special Precautions for Disposal: Prevent release to environment, keep waste away from food/water supplies
RCRA Waste Code: Not classified as hazardous waste under RCRA
UN Number: Not regulated
Proper Shipping Name: Not regulated as dangerous good
Transport Hazard Class: Not classified as hazardous
Packing Group: Not regulated
Marine Pollutant: No
Special Precautions: Avoid generating dust during transport, keep packages closed and secure
Additional Transport Requirements: Store away from foodstuffs, compatible materials during transit
TSCA Status: Listed on US Toxic Substances Control Act inventory
DSL/NDSL Status (Canada): Listed
EINECS/ELINCS (EU): Listed as 206-126-4
OSHA Status: Not regulated as hazardous chemical
SARA Title III: Not subject to reporting requirements
California Proposition 65: Not listed
REACH Registration: Exempted or pre-registered under REACH
Other Country Inventories: Compliant with major chemical inventories globally
West Ujimqin Banner, Xilingol League, Inner Mongolia, China
