Material Safety Data Sheet DL-METHIONINE United International Inc. 18/F, Huaren International Building, 2A Shandong Road, Qingdao, China 266071 Tel: 86-532-86069596; 83891505~509 Fax:86-532-83893695 http://www.unitedint.com United International Inc. asks to its customers receiving this material safety data sheet to study it carefully in order to know the dangers presented by the product and to inform its employees, agents, and sub-contractors. The end user is responsible for the handling and the storage of the product to refer to legislative, regular and administrative up to date texts, concerning the protection of the workers and the population and the environmental. This information is based on our current level of knowledge given by our own suppliers. Date/revised: Sep 16, 2009 Date issued: Dec. 04, 2008 Product: DL-Methionine 1.Substance/preparation and company name Company: United International Inc. 18/F, Huaren International Building, 2A Shandong Road, Qingdao, China - 266071 2. Composition/information on ingredients Chemical name: DL-Methionine CAS No.:59-51-8 FEMA No.: 3301 FDA No.: N/A CE No.: 569C EINECS No.: N/A 3. Physical and chemical properties Appearance: White crystalline powder Formula: C5H11NO2S Molecular weight: 149.21 Melting point: 281 C Water solubility: Soluble Assay: 99.0% min. 4. Hazards identification Potential acute health effects: Slightly hazardous in case of skin contact (irritant), of eye contact (irritant), of ingestion, of inhalation. Eyes: May cause eye irritation. Skin: May be harmful if absorbed through skin. May cause skin irritation. Inhalation: May be harmful if inhaled. May cause respiratory tract irritation. Ingestion: May be harmful if swallowed. 5. First aid measures Eyes: Check for and remove any contact lenses. In case of contact, immediately
flush eyes with plenty of water for at least 15 minutes. Cold water may be used. Get medical attention if irritation occurs. Skin: Wash with soap and water. Cover the irritated skin with an emollient. Get medical attention if irritation develops.cold water may be used. Inhalation: If inhaled, remove to fresh air. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical attention. Ingestion:Do not induce vomiting unless directed to do so by medical personnel. Never give anything by mouth to an unconscious person. Loosen tight clothing such as a collar, tie, belt or waistband. Get medical attention if symptoms appear. 6. Fire fighting and measures Flash point: N/A Flammable limits: N/A Suitable extinguishing media: Use water spray, alcohol-resistant foam, dry chemical or carbon dioxide. Special protective equipment for fire-fighters: Wear self contained breathing apparatus for fire fighting if necessary. 7. Accidental release measures Person precautions: Avoid dust formation. Environmental precautions: Do not let product enter drains. Methods for cleaning up: Sweep up and shovel. Keep in suitable, closed containers for disposal. 8. Handling and storage Handling: Provide appropriate exhaust ventilation at places where dust is formed. Normal measures for preventive fire protection. Storage: Keep container tightly closed in a dry and well-ventilated place. 9. Exposure controls and personal protection Respirators: A respiratory protection program that meets OSHA's 29 CFR 1910.134 and ANSI Z88.2 requirements or European Standard EN 149 must be followed whenever workplace conditions warrant a respirator's use. Personal protection:wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin exposure. 10. Stability and reactivity Stability: Stable under recommended storage conditions. Incompatibilities with other materials: Strong oxidizing agents. Hazardous decomposition products: Carbon oxides, nitrogen oxides (NOx), Sulphur oxides 11. Toxicological information LD 50 Oral - rat - 36,000 mg/kg 12. Ecological information N/A
13. Disposal considerations Observe all federal, state, and local environmental regulations. 14. Transport information Emergency TEL: +86-532-86069596; 83891505~9 15. Regulatory information N/A 16. Other information Shelf life: 24 months minimum in sealed containers protected from light and air The information and recommendations contained herein are based upon data believed to be correct. However, no guarantee or warranty of any kind expressed or implied is made with respect to the information contained here.