MSDS for L-Aspartic Acid

Identification

Product Name: L-Aspartic Acid
Chemical Formula: C4H7NO4
CAS Number: 56-84-8
Molecular Weight: 133.10 g/mol
Synonyms: L-aminosuccinic acid, Aminosuccinic acid
Recommended Use: Amino acid supplement, biochemical research, pharmaceutical manufacturing
Supplier Details: Emergency contacts, manufacturer address, phone, and email appear on the product label or shipping documentation each time you receive it
Emergency Overview: White crystalline powder, no strong odor. Avoid inhalation or ingestion, and keep from eye or prolonged skin contact.

Hazard Identification

GHS Classification: Not classified as hazardous under GHS criteria
Potential Health Effects: May cause mild eye, skin, and respiratory irritation; not expected to pose acute toxic hazards under normal workplace conditions
Signal Word: None assigned
Pictograms: None assigned
Precautionary Statements: Avoid dust generation. Wash hands after handling. Keep away from food and beverages.
Routes of Exposure: Eyes, skin, inhalation, ingestion
Chronic Health Hazards: No evidence of cumulative toxicity has been reported.

Composition / Information on Ingredients

Chemical Name: L-Aspartic Acid
Purity: >99%
CAS Number: 56-84-8
Other Components: No significant impurities present
Ingredient List: This product contains only L-Aspartic Acid.

First Aid Measures

Eye Contact: Rinse cautiously with water for several minutes, remove contact lenses, continue rinsing, seek medical advice if irritation develops
Skin Contact: Wash affected skin with soap and water, remove contaminated clothing and wash before reuse; see a doctor if irritation lingers
Inhalation: Move to fresh air, seek medical attention if breathing becomes difficult or symptoms persist
Ingestion: Rinse mouth with water, do not induce vomiting, provide water to drink if conscious, and seek medical attention if feeling unwell
Most Important Symptoms: Mild irritation to skin or eyes
Notes to Physician: Treat symptomatically, no specific antidote known.

Fire-Fighting Measures

Suitable Extinguishing Media: Water spray, CO2, dry chemical powder, foam
Specific Hazards: Product does not burn easily; may decompose at high temperatures and form nitrogen oxides, carbon oxides
Protective Equipment for Firefighters: Wear self-contained breathing apparatus, full protective clothing
Special Procedures: Contain runoff, prevent materials from entering drains or water supplies.

Accidental Release Measures

Personal Precautions: Avoid breathing dust, ventilate area, ensure proper PPE including gloves, eye protection, dust mask
Environmental Precautions: Prevent from entering sewers, surface water, or soil
Cleanup Methods: Sweep or vacuum up material, avoid generating dust, transfer to labeled waste container for disposal
Decontamination: Wash area with water after cleanup.

Handling and Storage

Handling: Use with adequate ventilation, avoid direct contact with skin or eyes, minimize generation of airborne dust, wash thoroughly after handling
Storage Conditions: Store in tightly sealed containers, in a cool, dry, well-ventilated location
Incompatibilities: Strong oxidizing agents
Storage Precautions: Keep away from food and drink, protect from moisture.

Exposure Controls and Personal Protection

Exposure Limits: No occupational exposure limits established
Engineering Controls: Use local exhaust ventilation, handle in closed systems if possible
Personal Protective Equipment (PPE):

• Respiratory Protection: NIOSH-approved dust mask or respirator in dusty conditions
• Hand Protection: Disposable gloves such as nitrile or latex
• Eye Protection: Safety goggles or chemical splash glasses
• Skin Protection: Lab coat or other protective clothing

Physical and Chemical Properties

Appearance: White crystalline powder
Odor: Odorless
Melting Point: 270°C (decomposes)
Boiling Point: Decomposes before boiling
Solubility: Sparingly soluble in water; insoluble in ethanol, ether
pH (1% solution): Approximately 2.5
Density: About 1.66 g/cm³
Vapor Pressure: Negligible
Flash Point: Not applicable
Auto-ignition Temperature: Not applicable
Partition Coefficient: log Kow < 0 (very low, low potential for bioaccumulation)

Stability and Reactivity

Chemical Stability: Stable under recommended storage conditions
Hazardous Reactions: Does not polymerize, avoids strong oxidizing agents
Conditions to Avoid: Excessive heat, strong oxidizers
Decomposition Products: Nitrogen oxides, carbon dioxide, carbon monoxide if heated above decomposition temperature
Incompatible Materials: Strong acids, bases, and oxidizing materials.

Toxicological Information

Acute Toxicity: Oral LD50 (rat): estimated >5,000 mg/kg; low toxicity
Skin Corrosion/Irritation: Not expected to be a skin sensitizer, minor irritation possible with prolonged exposure
Eye Damage/Irritation: May cause mild, temporary irritation
Respiratory Sensitization: Prolonged dust inhalation could cause mild respiratory irritation
Carcinogenicity: Not classified as carcinogenic by IARC, NTP, OSHA
Mutagenicity: No mutagenic effects found in standard tests
Reproductive Toxicity: No adverse effects reported in animal studies
Other Effects: No specific target organ toxicity identified.

Ecological Information

Ecotoxicity: No known hazard to aquatic or terrestrial organisms at typical release levels
Persistence and Degradability: Expected to be readily biodegradable in the environment
Bioaccumulation: Low potential due to physical properties
Mobility in Soil: Likely to have high mobility in water; soluble, may leach through soil
Other Adverse Effects: No known major ecological impact at the quantities typically handled.

Disposal Considerations

Waste Disposal Methods: Dispose of in accordance with local, regional, and national regulations; avoid discharge to groundwater, sewers, and surface waters
Container Disposal: Rinse containers with water and dispose of as chemical waste
Special Precautions: Not regulated as hazardous waste, but best practice treats unused product as laboratory chemical waste to prevent environmental build-up
Reuse/Recycling: Material is not typically recycled; minimize waste at source.

Transport Information

UN Number: Not regulated
UN Proper Shipping Name: Not applicable
Transport Hazard Class: Not classified
Packing Group: Not assigned
Environmental Hazards: Not an environmental hazard during transport
Special Transport Precautions: Avoid rough handling, store upright, keep dry during transit, ensure packaging is intact.

Regulatory Information

TSCA: Listed in the United States TSCA inventory
EINECS/ELINCS: Listed (200-273-8)
REACH Registration: Exempt as a naturally occurring substance
OSHA Hazards: No significant OSHA hazard identified
California Proposition 65: Not listed
WHMIS Classification (Canada): Not controlled
Other Regulations: Meets requirements for food and pharma grade use when applicable, subject to purity and storage criteria.