| [Fire Fighting] Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. To extinguish fire use water spray, dry chemical, carbon dioxide, or chemical foam. | |
| [Ingestion] If victim is conscious and alert, give 2-4 cupfuls of milk or water. Never give anything by mouth to an unconscious person. Get medical aid. | |
| [Inhalation] Remove from exposure to fresh air immediately. Get medical aid if cough or other symptoms appear. | |
| [Skin] Get medical aid if irritation develops or persists. Flush skin with plenty of soap and water. | |
| [Eyes] Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid. | |
| [Storage] Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. | |
| [Handling] Wash thoroughly after handling. Use with adequate ventilation. Minimize dust generation and accumulation. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation. | |
| [Ingestion] May cause irritation of the digestive tract. The toxicological properties of this substance have not been fully investigated. | |
| [Inhalation] May cause respiratory tract irritation. The toxicological properties of this substance have not been fully investigated. | |
| [Skin] May cause skin irritation. | |
| [Eyes] May cause eye irritation. | |
| [EC Risk Phrase] R 36/37/38 | |
| [EC Safety Phrase] S 26 36 | |
| [Personal Protection] Eyes: 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. | |
| [Respirators] Follow the OSHA respirator regulations found in 29CFR 1910.134 or European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved respirator when necessary. | |
| [Appearance] White solid. | |
| [Solubility in water] Very soluble | |
| [Melting Point] 285 | |
| [Boiling Point] 378 | |
| [pKa/pKb] 2.25 (pKa) | |
| [Partition Coefficient] .39 | |
| [Usage] L form is a nonessential amino acid. | |
| [Product Name] DL-Tyrosine | |
| [Synonyms] (+/-)-Tyrosine 2-Amino-3-(4-hydroxyphenyl)propanoic acid | |
| [CAS] "CASEN_556-03-6.htm">556-03-6 | |
| [Formula] C9H11NO3 | |
| [Molecular Weight] 181.19 | |
| [EINECS] 209-113-1 | |
| [Merck] 12,9970 | |
| [Beilstein/Gmelin] 515881 | |
| [Beilstein Reference] 4-14-00-02266 | |
| [Small spills/leaks] Sweep up or absorb material, then place into a suitable clean, dry, closed container for disposal. Avoid generating dusty conditions. | |
| [Stability] Stable under normal temperatures and pressures. | |
| [Incompatibilities] Strong oxidizing agents. | |
| [Decomposition] Nitrogen oxides, carbon monoxide, carbon dioxide. |
Print