Introduction：Basic information about CAS 598-25-4|1,2-Butadiene,3-methyl- (6CI,7CI,8CI,9CI), including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.
| Common Name | 1,2-Butadiene,3-methyl- (6CI,7CI,8CI,9CI) |
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| CAS Number | 598-25-4 | Molecular Weight | 68.11700 |
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| Density | 0.694 g/mL at 25 °C(lit.) | Boiling Point | 40-41 °C(lit.) |
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| Molecular Formula | C5H8 | Melting Point | −148 °C(lit.) |
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| MSDS | / | Flash Point | 10 °F |
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Names
| Name | 3-Methyl-1,2-butadiene |
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| Synonym | More Synonyms |
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Chemical & Physical Properties
| Density | 0.694 g/mL at 25 °C(lit.) |
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| Boiling Point | 40-41 °C(lit.) |
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| Melting Point | −148 °C(lit.) |
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| Molecular Formula | C5H8 |
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| Molecular Weight | 68.11700 |
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| Flash Point | 10 °F |
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| Exact Mass | 68.06260 |
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| LogP | 1.73750 |
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| Vapour Pressure | 6.87 psi ( 20 °C) |
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| Index of Refraction | n20/D 1.419(lit.) |
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| InChIKey | PAKGDPSCXSUALC-UHFFFAOYSA-N |
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| SMILES | C=C=C(C)C |
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| Storage condition | 2-8°C |
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Safety Information
| Hazard Codes | F,Xn |
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| Risk Phrases | R11;R36/37/38 |
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| Safety Phrases | S16-S26-S36-S62 |
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| RIDADR | UN 3295 3/PG 2 |
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| WGK Germany | 3 |
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| Packaging Group | II |
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| Hazard Class | 3 |
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Synonyms
| 3-methylbuta-1,2-diene |
| EINECS 209-926-1 |
| MFCD00008896 |
