| [Flash Point] 33 | |
| [Fire Fighting] Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Extinguishing Media: Use water spray, dry chemical, carbon dioxide, or chemical foam. | |
| [Ingestion] Get medical aid. Wash mouth out with water. | |
| [Inhalation] Remove from exposure and move 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 water for at least 15 minutes while removing contaminated clothing and shoes. | |
| [Eyes] Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid. | |
| [Storage] Keep away from sources of ignition. Store in a cool, dry place. Keep refrigerated. (Store below 4 C.) Store in a tightly closed container. Flammables-area. | |
| [Ingestion] May cause irritation of the digestive tract. May be harmful if swallowed. | |
| [Inhalation] Causes respiratory tract irritation. May be harmful if inhaled. | |
| [Skin] Causes skin irritation. May be harmful if absorbed through the skin | |
| [Eyes] Causes eye irritation. | |
| [EC Risk Phrase] R: 10 36/37/38 | |
| [EC Safety Phrase] S: 16 26 37/39 | |
| [UN (DOT)] 2924 | |
| [Personal Protection] Wear appropriate protective gloves and clothing to prevent skin exposure. Use chemical safety goggles. | |
| [Respirators] Follow the OSHA respirator regulations found in 29 CFR 1910.134 or European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved respirator when necessary. | |
| [Appearance] Pale yellow to reddish liquid. | |
| [Solubility in water] Soluble | |
| [Melting Point] -20 | |
| [Boiling Point] 132 - 133 | |
| [Vapor Pressure] 8.3 (25 C) | |
| [Density] 0.8772 g/cm3 (20 C) | |
| [Partition Coefficient] 1.07 | |
| [Heat Of Vaporization] 37.2 kJ/mol | |
| [Refractive Index] 1.4526 (20 C) | |
| [Product Name] Prenal | |
| [Synonyms] 2-Methyl-2-buten-4-al 3,3-Dimethylacrolein b,b-Dimethylacrolein b-Methylcrotonaldehyde Prenal Senecialdehyde | |
| [CAS] "CASEN_107-86-8.htm">107-86-8 | |
| [Formula] C5H8O | |
| [Molecular Weight] 84.12 | |
| [EINECS] 203-527-6 | |
| [Merck] 12,8592 | |
| [Small spills/leaks] Absorb spill with inert material (e.g. vermiculite, sand or earth), then place in suitable container. Use water spray to dilute spill to a non-flammable mixture. Remove all sources of ignition. | |
| [Incompatibilities] Avoid strong oxidizing agents, strong bases, air. | |
| [Stability] Stable at normal temperatures and pressures. | |
| [Decomposition] Oxides of carbon. | |
| [UN Number] 2924 |
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