| [Flash Point] 87 | |
| [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. To extinguish fire use water spray, dry chemical, carbon dioxide, or appropriate foam. | |
| [Ingestion] Never give anything by mouth to an unconscious person. Get medical aid immediately. 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] Immediately 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 only in a well ventilated area. Do not get in eyes, on skin, or on clothing. Keep container tightly closed. Do not ingest or inhale. Use only in a chemical fume hood. Wash clothing before reuse. Do not breathe vapors. | |
| [Inhalation] May cause respiratory tract irritation. Aspiration may lead to pulmonary edema. Harmful if inhaled. | |
| [Skin] Causes skin irritation. | |
| [Eyes] Causes eye irritation. May cause chemical conjunctivitis. | |
| [Ingestion] May cause gastrointestinal irritation with nausea, vomiting and diarrhea. May be harmful if swallowed. | |
| [EC Risk Phrase] R 22 36/38 | |
| [EC Safety Phrase] S 26 36/37/39 | |
| [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] 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. | |
| [Exposure Effects] Effects may be delayed. | |
| [Appearance] Clear very light yellow liquid. | |
| [Solubility in water] Soluble | |
| [Melting Point] 36 - 37 | |
| [Boiling Point] 204 | |
| [Vapor Pressure] 0.39 (25 C) | |
| [Density] 1.0227 g/cm3 (14 C) | |
| [pKa/pKb] 10.45 (pKb) | |
| [Partition Coefficient] .78 | |
| [Heat Of Vaporization] 42.2 kJ/mol | |
| [Vapor Density] 2.83 | |
| [Refractive Index] 1.4904 (13.7 C) | |
| [Product Name] 3-Methylpyrazole | |
| [Synonyms] 3-Methyl-1H-pyrazole 5-Methylpyrazole | |
| [CAS] "CASEN_1453-58-3.htm">1453-58-3 | |
| [Formula] C4H6N2 | |
| [Molecular Weight] 82.11 | |
| [EINECS] 215-925-7 | |
| [RTECS] UQ7340000 | |
| [RTECS Class] Drug; Reproductive Effector | |
| [Beilstein/Gmelin] 1454 | |
| [Beilstein Reference] 5-23-05-00004 | |
| [EC Class] harmful, irritant | |
| [Small spills/leaks] Clean up spills immediately, using the appropriate protective equipment. Cover with sand, dry lime or soda ash and place in a closed container for disposal. Provide ventilation. | |
| [Disposal Code] 5 | |
| [Stability] Stable at room temperature in closed containers under normal storage and handling conditions. | |
| [Incompatibilities] Strong oxidizing agents. | |
| [Decomposition] Nitrogen oxides, carbon monoxide, carbon dioxide. | |
| [HS Code] 2933 19 90 |
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