(Z)-2-C4H8
CIS-2-BUTENE
CAS: 590-18-1
Molecular Formula: C4H8
(Z)-2-C4H8 - Names and Identifiers
| Name | CIS-2-BUTENE |
| Synonyms | (Z)-2-C4H8 (z)-2-buten CIS-2-BUTENE (Z)-2-Butene 2-Butene,(Z)- (2Z)-2-Butene beta-cis-butylene |
| CAS | 590-18-1 |
| EINECS | 209-673-7 |
(Z)-2-C4H8 - Physico-chemical Properties
| Molecular Formula | C4H8 |
| Molar Mass | 56.11 |
| Density | 0,62 g/cm3 |
| Melting Point | −139°C(lit.) |
| Boling Point | 3.7°C(lit.) |
| Flash Point | −99°F |
| Vapor Presure | 1414 mm Hg ( 21 °C) |
| Vapor Density | 2 (vs air) |
| Merck | 1520 |
| BRN | 1361341 |
| Stability | Stable, but prone to polymerization in the presence of suitable catalysts. Extremely flammable. Readily forms explosive mixtures with air. Can lead to flash fires. Incompatible with strong oxide |
| Explosive Limit | 9.7% |
| Refractive Index | 1.3842 |
| Physical and Chemical Properties | Colorless gas. Melting Point -139.3 °c, boiling point 3.72 °c, relative density 0.6213(20/4 °c), refractive index 1.3931(-25 °c). Soluble in organic solvents, insoluble in water. |
(Z)-2-C4H8 - Risk and Safety
| Hazard Symbols | F+ - Highly flammable |
| Risk Codes | 12 - Extremely Flammable |
| Safety Description | S9 - Keep container in a well-ventilated place. S16 - Keep away from sources of ignition. S33 - Take precautionary measures against static discharges. |
| UN IDs | UN 1012 2.1 |
| WGK Germany | 3 |
| Hazard Class | 2.1 |
(Z)-2-C4H8 - Reference Information
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| spontaneous combustion temperature | 615 ° F. |
| DOT Classification | 2.1 (Flammable gas) |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-10 22:29:15
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View History
(Z)-2-C4H8
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氙气
3-(3-CHLOROPHENYL)-2-MERCAPTO-3,5-DIHYDRO-4H-PYRIMIDO[5,4-B]INDOL-4-ONE
41172-51-4
2-Cyclopropylpropan-2-ol
vitpex