| [Flash Point] 182 | |
| [Autoignition] 515 | |
| [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] 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 immediately. | |
| [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 immediately. | |
| [Storage] 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 with adequate ventilation. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation. | |
| [Ingestion] May cause gastrointestinal irritation with nausea, vomiting and diarrhea. 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. The toxicological properties of this material have not been fully investigated. | |
| [Eyes] May cause 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] Beige. | |
| [Solubility in water] Very soluble | |
| [Melting Point] 146 - 148 | |
| [Boiling Point] 381 | |
| [Vapor Pressure] 2E-6 (25 C) | |
| [pKa/pKb] 2.80 (pKb) | |
| [Partition Coefficient] -1.3 | |
| [Heat Of Vaporization] 65.3 kJ/mol | |
| [Heat Of Combustion] -2538 kJ/mol | |
| [Product Name] 4-Hydroxypyridine | |
| [Synonyms] 1H-Pyridin-4-ol 4-Hydroxypyridine | |
| [CAS] "CASEN_626-64-2.htm">626-64-2 | |
| [Formula] C5H5NO | |
| [Molecular Weight] 95.1 | |
| [EINECS] 210-958-3 | |
| [RTECS] UU7701450 | |
| [RTECS Class] Other | |
| [Beilstein/Gmelin] 105800 | |
| [Beilstein Reference] 5-21-07-00152 | |
| [Small spills/leaks] Clean up spills immediately, using the appropriate protective equipment. Sweep up or absorb material, then place into a suitable clean, dry, closed container for disposal. Provide ventilation. | |
| [Incompatibilities] Oxidizing agents. | |
| [Stability] Stable under normal temperatures and pressures. | |
| [Decomposition] Nitrogen oxides, carbon monoxide, irritating and toxic fumes and gases, carbon dioxide. |
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