| [Fire Fighting] Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. Extinguishing media: Use agent most appropriate to extinguish fire. In case of fire use water spray, dry chemical, carbon dioxide, or appropriate foam. | |
| [Ingestion] Never give anything by mouth to an unconscious person. Get medical aid. Do NOT induce vomiting. If conscious and alert, rinse mouth and drink 2-4 cupfuls of milk or water. | |
| [Inhalation] Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid. | |
| [Skin] Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse. | |
| [Eyes] Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid. | |
| [Storage] Keep container closed when not in use. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. | |
| [Handling] Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Use only in a well ventilated area. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation. Wash clothing before reuse. | |
| [Ingestion] Causes gastrointestinal irritation with nausea, vomiting and diarrhea. The toxicological properties of this substance have not been fully investigated. | |
| [Inhalation] Causes respiratory tract irritation. The toxicological properties of this substance have not been fully investigated. | |
| [Skin] Causes skin irritation. The toxicological properties of this material have not been fully investigated. | |
| [Eyes] Causes eye irritation. The toxicological properties of this material have not been fully investigated. | |
| [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] Off-white powder. | |
| [Solubility in water] Very soluble | |
| [Melting Point] 214 | |
| [Boiling Point] 330 | |
| [pKa/pKb] 4.10 (pKa) | |
| [Partition Coefficient] 1.54 | |
| [Vapor Density] 5.7 | |
| [Product Name] 4-Hydroxycinnamic acid | |
| [Synonyms] (E)-p-Coumaric acid (E)-p-Hydroxycinnamic acid trans-4-Hydroxycinnamic acid trans-p-Coumaric acid trans-p-Coumarinic acid trans-p-Hydroxycinnamic acid | |
| [CAS] "CASEN_501-98-4.htm">501-98-4 | |
| [Formula] C9H8O3 | |
| [Molecular Weight] 164.16 | |
| [EINECS] 231-000-0 | |
| [RTECS] GD9095000 | |
| [RTECS Class] Other | |
| [Merck] 13,2586 | |
| [Beilstein/Gmelin] 2207381 | |
| [Beilstein Reference] 0-10-00-00297 | |
| [Small spills/leaks] Clean up spills immediately, using the appropriate protective equipment. Sweep up, then place into a suitable container for disposal. Avoid generating dusty conditions. Provide ventilation. | |
| [Incompatibilities] Oxidizing agents. | |
| [Stability] Stable at room temperature in closed containers under normal storage and handling conditions. | |
| [Decomposition] Carbon monoxide, irritating and toxic fumes and gases, carbon dioxide. |
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