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Material Safety Data Sheet (MSDS) for Calcium L-Aspartate

1. Identification

Product Name: Calcium L-Aspartate
Synonyms: Calcium Aspartate, L-Aspartic acid calcium salt
CAS Number: 42558-51-8
Recommended Use: Food supplement, calcium source in nutrition, laboratory chemicals, food additives
Supplier/Manufacturer: Contact relevant distributor or importer for detailed origin and emergency contact
Emergency Phone Number: Refer to local or regional poison control center or chemical emergency helpline
Address: Manufacturer’s or supplier’s address required on the actual product documentation

2. Hazard Identification

GHS Classification: Not classified as hazardous
Physical Hazards: None identified for solid form under normal use
Health Hazards: Dust may cause mild irritation to respiratory tract and eyes
Environmental Hazards: Data show low hazard to aquatic and terrestrial environments
Label Elements: No signal word, hazard statements, or precautionary statements needed based on current evidence
Pictograms: Not required

3. Composition / Information on Ingredients

Chemical Name: Calcium L-Aspartate
Formula: C8H12CaN2O8
Purity: ≥98% (food and pharmaceutical grade)
Impurities: Typical trace (<2%): L-Aspartic acid, Calcium carbonate
Nature: Single substance, not a mixture

4. First Aid Measures

Inhalation: Remove person to fresh air; provide oxygen if breathing becomes difficult; seek medical advice if symptoms persist
Skin Contact: Wash with soap and water; remove contaminated clothing
Eye Contact: Flush with plenty of water for several minutes; seek medical evaluation for persistent irritation
Ingestion: Rinse mouth with water; drink water to dilute; consult a physician if large amounts consumed or symptoms develop
Notes for Physicians: Symptomatic treatment, supportive care as indicated
Most Important Symptoms: Mild irritation of eyes, throat, respiratory tract, gastrointestinal upset if ingested in quantity

5. Fire-Fighting Measures

Suitable Extinguishing Media: Use dry chemical, foam, water spray, or carbon dioxide
Hazards from Combustion: Emits carbon oxides, nitrogen oxides, calcium oxide, may release some toxic fumes at high temperatures
Protective Equipment: Firefighters should wear self-contained breathing apparatus and full protective gear
Special Procedures: Avoid inhaling combustion products, contain runoff using sand or earth to prevent contamination of waterways

6. Accidental Release Measures

Personal Protection: Wear dust mask, gloves, and protective goggles; avoid raising dust
Environmental Precautions: Prevent large spills from entering drains or watercourses
Methods for Clean Up: Sweep, scoop, or vacuum up material; place in container for proper disposal; ventilate area
Disposal: Follow local, state, and federal regulations for chemical waste

7. Handling and Storage

Handling: Minimize dust generation; use adequate ventilation; wash hands after use
Incompatible Materials: Avoid mixing with strong acids, strong bases, strong oxidizers
Safe Storage: Keep in tightly closed container; store in cool, dry, well-ventilated place; protect from moisture, heat, and direct sunlight;
Hygiene Measures: Do not eat, drink, or smoke in working areas; launder contaminated clothing before reuse

8. Exposure Controls and Personal Protection

Occupational Exposure Limits: None established for Calcium L-Aspartate; treat as nuisance dust (total dust: 10 mg/m³ TWA, respirable: 5 mg/m³ TWA based on OSHA PEL)
Engineering Controls: Use local exhaust ventilation for dusty operations
Personal Protective Equipment (PPE): Dust mask or respirator (for airborne particles), safety goggles, gloves, protective clothing
Environmental Exposure Controls: Prevent further leakage or spillage if safe; avoid unintentional release to environment

9. Physical and Chemical Properties

Appearance: White to off-white powder
Odor: Odorless
Molecular Weight: 324.27 g/mol
pH (10% solution): 6.0 – 7.5
Melting Point: Decomposes before melting
Solubility (Water): Moderately soluble (~1g/20ml at 20°C)
Boiling Point: Not applicable (decomposes before boiling)
Vapor Pressure: Not relevant for solid
Bulk Density: Approximately 0.3 – 0.5 g/cm³
Partition Coefficient: Not applicable
Flash Point: Not applicable
Auto-Ignition Temperature: No data available
Explosive Properties: Not classified as explosive

10. Stability and Reactivity

Chemical Stability: Stable under recommended storage conditions
Reactivity: Not reactive under normal use and storage
Hazardous Reactions: None known with typical materials
Incompatible Materials: Strong acids may release carbon dioxide; strong oxidizers
Decomposition Products: Emits carbon oxides, nitrogen oxides, calcium oxide on thermal decomposition
Polymerization: Will not occur

11. Toxicological Information

Acute Toxicity: Low oral toxicity for rats and humans; LD50 (oral, rat) estimated > 2,000 mg/kg
Skin and Eye Irritation: May cause only temporary mild irritation
Inhalation: Dust inhalation can irritate mucous membranes and upper respiratory tract
Chronic Toxicity: No significant effects reported in chronic animal studies
Carcinogenicity: Not listed by IARC, NTP, OSHA
Mutagenicity, Reproductive Toxicity: No mutagenic or reproductive risks identified in available literature
Additional Information: No hormone-disrupting or cumulative effects reported in current toxicological databases

12. Ecological Information

Ecotoxicity: No adverse effects have been noted at relevant concentrations for aquatic or terrestrial organisms
Persistence and Degradability: Expected to be readily biodegradable; dissociates into calcium and aspartate ions
Bioaccumulative Potential: Not expected to bioaccumulate
Mobility in Soil: Moderate; aspartate ion and calcium readily move through most soil profiles
Other Adverse Effects: No evidence of environmental toxicity from normal laboratory, nutritional, or consumer use

13. Disposal Considerations

Waste Treatment Methods: Dispose of in accordance with local, regional, and national guidelines; suitable for landfill or incineration by licensed contractor
Container Disposal: Thoroughly empty packaging and, if possible, recycle according to local regulations; rinse containers where permitted
Precautions: Do not allow to contaminate groundwater, surface water, or sewer systems through uncontrolled disposal

14. Transport Information

DOT/ADR/IMDG/IATA: Not classified as dangerous goods for transport by road, sea, or air
UN Number: Not applicable
Proper Shipping Name: Calcium L-Aspartate
Transport Hazard Class: Not applicable
Packing Group: Not applicable
Special Precautions: Avoid contact with moisture, pack in secure and sealed containers to prevent spillage

15. Regulatory Information

TSCA Status: Listed
REACH Status: Registered or exempted under EU REACH
FDA Status: As a food additive, subject to food supplement regulations in many jurisdictions
California Proposition 65: Not listed
Other Regulations: Not classified as hazardous according to GHS, OSHA Hazard Communication Standards, or EU Classification, Labelling, and Packaging regulations
Labeling Requirements: No special labeling required; observe good chemical handling and storage practices