1-bromo-but-2-ene
cis,trans-crotyl bromide
CAS: 4784-77-4
Molecular Formula: C4H7Br
1-bromo-but-2-ene - Names and Identifiers
| Name | cis,trans-crotyl bromide |
| Synonyms | CROTYL BROMIDE 1-bromo-2-buten 1-bromobut-2-ene 1-Bromo-2-butene 1-Crotyl bromide 1-bromo-but-2-ene (2E)-1-bromobut-2-ene (2Z)-1-bromobut-2-ene (2E)-1-Bromo-2-butene CIS,TRANS-CROTYL BROMIDE cis,trans-crotyl bromide CIS,TRANS-1-BROMO-2-BUTENE |
| CAS | 4784-77-4 |
| EINECS | 225-332-5 |
| InChI | InChI=1/C4H7Br/c1-2-3-4-5/h2-3H,4H2,1H3/b3-2- |
1-bromo-but-2-ene - Physico-chemical Properties
| Molecular Formula | C4H7Br |
| Molar Mass | 135 |
| Density | 1.312g/mLat 25°C(lit.) |
| Melting Point | -115.07°C (estimate) |
| Boling Point | 97-99°C(lit.) |
| Flash Point | 11 °C |
| Vapor Presure | 35.7mmHg at 25°C |
| Appearance | clear liquid |
| Color | Colorless to Light yellow to Light orange |
| Storage Condition | 0-6°C |
| Refractive Index | n20/D 1.480(lit.) |
1-bromo-but-2-ene - Risk and Safety
| Hazard Symbols | F - Flammable |
| Risk Codes | R11 - Highly Flammable R36/37 - Irritating to eyes and respiratory system. |
| Safety Description | S16 - Keep away from sources of ignition. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. |
| UN IDs | UN 1993 3/PG 2 |
| WGK Germany | 3 |
| FLUKA BRAND F CODES | 8 |
| Hazard Class | 3 |
| Packing Group | II |
1-bromo-but-2-ene - Reference Information
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
Last Update：2024-04-09 21:01:54
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View History
1-bromo-but-2-ene
cis-5α-H,3β,8β,14β,17β-Tetrahydroxy-12β-O-isovaleryl-20- O-isovaleryl-pregnane
protactinium(III) iodide
6-AMINO-2-BROMO-3-METHYLBENZOIC ACID
Diadenosine pentaphosphate
2-氨基-5-氯-3-氟砒啶
N-(2-溴苄氧羰氧基)丁二酰胺
Urea, N-[2-[2-(1,1-diMethylethyl)phenoxy]-3-pyridinyl]-N'-[4-(trifluoroMethoxy)phenyl]-
2,3-Dimethylphenylboronic acid pinacol ester
METHYL 3-(2-ETHOXY-2-OXOETHOXY)-2-THIOPHENECARBOXYLATE
cis-5α-H,3β,8β,14β,17β-Tetrahydroxy-12β-O-isovaleryl-20- O-isovaleryl-pregnane
protactinium(III) iodide
6-AMINO-2-BROMO-3-METHYLBENZOIC ACID
Diadenosine pentaphosphate
2-氨基-5-氯-3-氟砒啶
N-(2-溴苄氧羰氧基)丁二酰胺
Urea, N-[2-[2-(1,1-diMethylethyl)phenoxy]-3-pyridinyl]-N'-[4-(trifluoroMethoxy)phenyl]-
2,3-Dimethylphenylboronic acid pinacol ester
METHYL 3-(2-ETHOXY-2-OXOETHOXY)-2-THIOPHENECARBOXYLATE