Contact Us
West Ujimqin Banner, Xilingol League, Inner Mongolia, China
© 2025 Alchemist Worldwide Ltd, All Right Reserved
Product Name: L-Tyrosine
Chemical Formula: C9H11NO3
CAS Number: 60-18-4
Synonyms: (S)-2-Amino-3-(4-hydroxyphenyl)propanoic acid
Recommended Use: Nutritional supplement, laboratory reagent
Manufacturer: Supplied by a variety of chemical distributors for lab and industrial use
Contact Information: Available from supplier; typically includes address, phone, emergency contact number
Emergency Telephone Number: Local poison control or national chemical emergency hotline
GHS Classification: Not classified as hazardous
Signal Word: None required
Hazard Statements: Dust exposure may cause mild respiratory irritation; avoid inhalation
Precautionary Statements: Use with adequate ventilation; wash hands thoroughly after handling
Potential Effects: Eyes and skin may get irritated by direct contact with powder
Emergency Overview: White crystalline powder, no known acute hazards in normal use, low flammability
NFPA Ratings: Health 1, Flammability 1, Reactivity 0
Chemical Name: L-Tyrosine
Chemical Formula: C9H11NO3
CAS Number: 60-18-4
Concentration: 99% or greater (typical purity varies by grade or supplier)
Inhalation: Move individual to fresh air; seek medical attention if respiratory irritation persists
Skin Contact: Wash area with soap and water, remove contaminated clothing; get medical care if irritation continues
Eye Contact: Rinse immediately with plenty of water for 15 minutes, lifting eyelids; obtain medical attention if irritation or discomfort persists
Ingestion: Rinse mouth with water, do not induce vomiting; get medical advice if large amount swallowed or if symptoms appear
Most Important Symptoms: Mild irritation to skin, eyes, respiratory tract in susceptible individuals; no severe symptoms generally reported in healthy people
Notes for Physician: Treat based on symptoms; no known specific antidote
Suitable Extinguishing Media: Water spray, dry chemical, CO2, foam
Unsuitable Extinguishing Media: High-pressure water jets may cause dust dispersion
Hazards: Fine dust can ignite in air under rare conditions; generates carbon oxides and nitrogen oxides on combustion
Protective Equipment: Firefighters should wear full protective equipment, including self-contained breathing apparatus
Specific Procedures: Cool containers exposed to flames; prevent runoff from entering sewers or waterways
Special Hazards: Combustion can produce irritating fumes
Personal Protection: Wear gloves, goggles, and dust mask to avoid inhalation and skin/eye contact
Environmental Precautions: Prevent material from entering drains or water systems
Cleanup Methods: Sweep or vacuum up material, avoid creating dust; place in suitable container for disposal
After Cleanup: Wash affected area with water; dispose of contaminated materials following local regulations
Spill Response: Handle spills using standard laboratory chemical spill kit if available
Handling: Avoid exposure to dust; use local exhaust ventilation; wash hands after handling
Storage Conditions: Keep container tightly closed in a cool, dry, well-ventilated area
Incompatibilities: Strong oxidizing agents
Storage Temperature: Store at room temperature; avoid excessive heat and moisture
Other Precautions: Keep away from food and beverage sources; label containers clearly
Occupational Exposure Limits: No established exposure limits for L-Tyrosine
Engineering Controls: Use in well-ventilated area; fume hood or exhaust fan recommended in laboratory environments
Personal Protective Equipment: Safety goggles, laboratory gloves, standard lab coat
Respiratory Protection: Dust mask recommended where dust is generated
Hygiene Measures: Wash thoroughly after handling; do not eat, drink, or smoke in work area
Appearance: White to off-white crystalline powder
Odor: Odorless
Odor Threshold: Not applicable
pH: Neutral (5.0–7.0, 1% solution in water)
Melting Point: 343°C (decomposes)
Boiling Point: Not applicable (decomposes before boiling)
Flash Point: Not available
Evaporation Rate: Not applicable
Flammability: May burn but not considered highly flammable
Vapor Pressure: Not applicable
Vapor Density: Not applicable
Solubility in Water: Slightly soluble (0.45g/100 mL at 25°C)
Partition Coefficient (n-octanol/water): -2.26
Relative Density: 1.464 at 20°C
Particle Size: Variable, fine powder typical
Autoignition Temperature: Not determined
Chemical Stability: Stable under normal ambient and recommended storage conditions
Reactivity: No dangerous reactions expected with common substances
Hazardous Reactions: Reacts with strong oxidizers
Decomposition Products: Carbon oxides, nitrogen oxides, possibly toxic fumes
Conditions to Avoid: Excessive heat, moisture, incompatible chemicals
Polymerization: No hazardous polymerization reported
Acute Toxicity: Oral LD50 (rat): >5000 mg/kg (low toxicity)
Skin Corrosion/Irritation: May cause slight irritation on prolonged or repeated contact
Eye Damage/Irritation: Dust can cause transient eye irritation
Respiratory Effects: Dust inhalation may irritate airways; rarely causes severe symptoms
Chronic Effects: No evidence for chronic toxicity in humans from normal use
Carcinogenicity: Not classified as carcinogenic by IARC, NTP, or OSHA
Mutagenicity: No data showing mutagenic effects
Reproductive Toxicity: No known effects based on available studies in animals
Sensitization: Not known to cause allergic sensitization
Ecotoxicity: No information indicating environmental hazards at normal levels
Persistence/Degradability: Readily biodegradable in soil and water by microorganisms
Bioaccumulation Potential: Low, based on chemical structure and solubility
Mobility in Soil: Expected to have limited mobility due to low solubility
Other Adverse Effects: No evidence of significant risk to aquatic life from accidental releases
Disposal Methods: Dispose of unused material according to local, regional, and national regulations
Contaminated Packaging: Rinse containers thoroughly; recycle or send to permitted landfill/facility
Special Precautions: Do not allow large quantities to enter natural water systems; minimize dust generation during disposal
Waste Codes: Non-hazardous for disposal; verify with local waste authorities
UN Number: Not regulated
UN Proper Shipping Name: Not regulated as a dangerous good
Transport Hazard Classes: Not assigned
Packing Group: Not assigned
Environmental Hazards: Not a marine pollutant
Special Precautions for User: Use appropriate packaging to limit dust release during transport
OSHA Hazard Communication: Not classified as a hazardous substance
SARA Title III (Sections 302/304/311/312/313): Not listed
TSCA (Toxic Substances Control Act): Listed
DSL/NDSL (Canada): Listed
REACH Status (EU): Registered or exempt
California Prop 65: Not listed
Other Local Requirements: Follow state, regional, and international chemical safety regulations as applicable
West Ujimqin Banner, Xilingol League, Inner Mongolia, China
