2-Butenol
but-2-en-1-ol
CAS: 6117-91-5
Molecular Formula: C4H8O
2-Butenol - Names and Identifiers
| Name | but-2-en-1-ol |
| Synonyms | 2-Butenol 2-buten-1-ol Krotylalkohol Crotylalcohol 2-BUTENE-1-OL but-2-en-1-ol Crotyl alcohol crotyl alcohol 2-butenylalcohol Crotonyl alcohol 2-Butenyl alcohol 1-HYDROXY-2-BUTENE (2Z)-but-2-en-1-ol Methylallylalcohol 1-Hydroxy-2-butylene 2-buten-1-ol (crotyl alcohol) 2-Buten-1-ol3-Methylallyl Alcohol |
| CAS | 6117-91-5 |
| EINECS | 228-086-7 |
| InChI | InChI=1/C4H8O/c1-2-3-4-5/h2-3,5H,4H2,1H3/b3-2+ |
| InChIKey | WCASXYBKJHWFMY-NSCUHMNNSA-N |
2-Butenol - Physico-chemical Properties
| Molecular Formula | C4H8O |
| Molar Mass | 72.11 |
| Density | 0.845g/mLat 25°C(lit.) |
| Melting Point | -91.3°C (estimate) |
| Boling Point | 121-122°C(lit.) |
| Flash Point | 37 °C |
| Water Solubility | Miscible with water. |
| Vapor Presure | 6.24mmHg at 25°C |
| Appearance | clear liquid |
| Color | Colorless to Almost colorless |
| Merck | 14,2601 |
| BRN | 1719374 |
| pKa | 14.70±0.10(Predicted) |
| Storage Condition | Flammables area |
| Refractive Index | n20/D 1.427(lit.) |
| Physical and Chemical Properties | A colorless liquid with a special odor. Miscible with alcohol, soluble in 6 Parts of water. There are two kinds of cis and trans. |
2-Butenol - Risk and Safety
| Risk Codes | R10 - Flammable R21/22 - Harmful in contact with skin and if swallowed. |
| Safety Description | 36/37 - Wear suitable protective clothing and gloves. |
| UN IDs | UN 1987 3/PG 3 |
| WGK Germany | 3 |
| RTECS | EM9275000 |
| TSCA | Yes |
| HS Code | 29052900 |
| Hazard Note | Harmful/Highly Flammable |
| Hazard Class | 3 |
| Packing Group | II |
| Toxicity | LD50 orally in rats: 0.93 ml/kg (Smyth) |
2-Butenol - Reference Information
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Use | used in organic synthesis, manufacture of plasticizer, soil fumigant, herbicide, medicine, coating, etc. |
| production method | butanol aldehyde is obtained by condensation of acetaldehyde, followed by dehydration and hydrogenation. |
| category | flammable liquid |
| toxicity grade | poisoning |
| Acute toxicity | oral-rat LD50: 930 mg/kg |
| flammability hazard characteristics | flammable in case of open flame, high temperature and oxidant; combustion-induced smoke |
| storage and transportation characteristics | The warehouse is ventilated and dried at low temperature; It is stored separately from the oxidant |
| extinguishing agent | dry powder, dry sand, carbon dioxide, foam, 1211 extinguishing agent |
Last Update：2024-04-09 21:11:58
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