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Product Name: Dl-Methionine
Chemical Formula: C5H11NO2S
Other Names: 2-Amino-4-(methylthio)butyric acid
CAS Number: 59-51-8
Recommended Use: Nutritional supplement, animal feed additive
Supplier Information: Manufacturer and distributor details provided by product label
Emergency Contact: Refer to local hazardous material control hotline
Hazard Classification: Not classified as hazardous under GHS
Physical Hazards: Dust may cause mechanical irritation
Health Hazards: Low toxicity, but inhalation or ingestion of large amounts can cause digestive discomfort
Environmental Hazards: Potential aquatic hazard in large quantities
Signal Word: None
Pictograms: None
Precautionary Statements: Avoid inhalation of dust, avoid contact with eyes, wash hands thoroughly after handling
Chemical Name: Dl-Methionine
Synonyms: Methionine, DL-2-Amino-4-(methylthio)butyric acid
Concentration: ≥98%
Impurities: Water (<1%), inorganic salts (trace amounts), potential trace organic byproducts from synthesis
Inhalation: Move affected person to fresh air, support breathing as needed, consult medical attention if irritation persists
Skin Contact: Wash thoroughly with soap and water, remove contaminated clothing
Eye Contact: Rinse cautiously with water for several minutes, remove contact lenses
Ingestion: Rinse mouth with water, do not induce vomiting, seek medical advice if large amounts swallowed
Most Important Symptoms: Mild respiratory or skin irritation, digestive discomfort if swallowed in quantity
Suitable Extinguishing Media: Water spray, foam, dry chemical, carbon dioxide
Specific Hazards: Combustion releases carbon oxides, sulfur oxides, nitrogen oxides
Special Protective Equipment: Standard fire-fighting gear, self-contained breathing apparatus for enclosed spaces
Fire Control Advice: Avoid inhaling smoke or fumes, cool exposed containers with water spray
Personal Protection: Avoid breathing dust, use appropriate respiratory protection, wear gloves and safety goggles
Environmental Precautions: Prevent large spills from entering drains or waterways
Methods for Cleanup: Collect with vacuum or damp sweeping, avoid dry brushing, sweep up and dispose in suitable container
Decontamination: Wash spill area with plenty of water, ventilate affected area
Precautions for Safe Handling: Avoid creating or breathing dust, wear appropriate personal protective equipment, follow good hygiene practices
Safe Storage Conditions: Store in tightly sealed bags or containers away from heat and moisture
Incompatibilities: Strong oxidizing agents, high-temperature conditions
Further Information: Prevent formation of dust clouds, keep separate from food and drink
Engineering Controls: Provide adequate local exhaust ventilation
Respiratory Protection: Use particulate respirator if airborne dust is generated
Eye Protection: Safety goggles or face shield
Skin Protection: Chemical-resistant gloves, long sleeves
General Hygiene: Do not eat, drink, or smoke during handling, wash hands after use
Appearance: White crystalline or powder
Odor: Slight, characteristic odor
Melting Point: 280°C with decomposition
Boiling Point: Not applicable (decomposes)
Solubility: Soluble in water, slightly soluble in alcohol
Density: 1.34 g/cm³
pH: 5.6 (1% solution in water)
Vapor Pressure: Negligible
Partition Coefficient: log Kow ≤ -2.14
Other Properties: Stable under recommended storage conditions, low volatility
Chemical Stability: Stable under normal temperatures and pressures
Reactivity: Stable under recommended use
Hazardous Reactions: Oxidizers may cause violent reactions
Conditions to Avoid: Heat, moisture, incompatible chemicals
Decomposition Products: Sulfur oxides, carbon oxides, nitrogen oxides on combustion or prolonged heating
Acute Toxicity: LD50 oral (rat) >4000 mg/kg (low toxicity)
Skin Irritation: Prolonged contact may cause mild irritation
Eye Irritation: Mild irritation may occur
Sensitization: None reported
Chronic Effects: No evidence of carcinogenic, mutagenic, reproductive, or teratogenic effects from exposure
Potential Routes of Exposure: Inhalation, ingestion, skin, eyes
Symptoms: Cough, shortness of breath, mild gastrointestinal upset on ingestion
Aquatic Toxicity: Harmful to aquatic organisms at very high concentrations
Terrestrial Impacts: Not persistent in soil, rapidly degraded by microorganisms
Bioaccumulation Potential: Low
Mobility in Soil: Moderately mobile in water, binding in soil
Degradability: Readily biodegradable in environment
Other Effects: Unlikely to cause environmental issues in normal use
Product Disposal: Dispose in accordance with local, regional, and national regulations; landfill or incinerate if permitted
Packaging Disposal: Rinse containers well, recycle or dispose as non-hazardous waste if empty
Additional Notes: Avoid release in large quantities to water bodies
Waste Codes: Follow regional hazardous waste classification
UN Number: Not regulated
Transport Hazard Class: Not applicable
Packing Group: Not applicable
Special Precautions: Avoid mechanical damage to packages, protect from moisture during transit
Labeling: No required hazard symbols or transport labels
Regulations: No specific transport regulations apply to Dl-Methionine
Labeling Requirements: No hazard labeling required for non-industrial quantities
Inventory Status: Listed on TSCA, EINECS/ELINCS, AICS, DSL, and other global inventories
Specific Regulations: Subject to chemical safety assessment in some jurisdictions
Occupational Exposure Limits: None established for Dl-Methionine
Other Relevant Laws: All components comply with relevant chemical control regulations in jurisdictions of use
