Introduction：Basic information about CAS 38771-21-0|4-Bromo-1-butyne, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.
| Common Name | 4-Bromo-1-butyne |
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| CAS Number | 38771-21-0 | Molecular Weight | 132.986 |
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| Density | 1.5±0.1 g/cm3 | Boiling Point | 118.3±23.0 °C at 760 mmHg |
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| Molecular Formula | C4H5Br | Melting Point | / |
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| MSDS | / | Flash Point | 32.3±17.0 °C |
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Names
| Name | 4-bromobut-1-yne |
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| Synonym | More Synonyms |
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Chemical & Physical Properties
| Density | 1.5±0.1 g/cm3 |
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| Boiling Point | 118.3±23.0 °C at 760 mmHg |
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| Molecular Formula | C4H5Br |
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| Molecular Weight | 132.986 |
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| Flash Point | 32.3±17.0 °C |
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| Exact Mass | 131.957458 |
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| LogP | 1.72 |
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| Vapour Pressure | 20.0±0.2 mmHg at 25°C |
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| Index of Refraction | 1.483 |
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| InChIKey | XLYOGWXIKVUXCL-UHFFFAOYSA-N |
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| SMILES | C#CCCBr |
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| Storage condition | 2~8℃ |
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Safety Information
| Hazard Codes | T: Toxic; |
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| Risk Phrases | R10;R25;R43 |
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| Safety Phrases | S36/37-S45 |
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| RIDADR | 2811.0 |
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| HS Code | 2903399090 |
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Customs
| HS Code | 2903399090 |
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| Summary | 2903399090. brominated,fluorinated or iodinated derivatives of acyclic hydrocarbons. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0% |
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Synonyms
| 1-Bromo-3-butyne |
| 4-bromo-butyne |
| 1-Butyne, 4-bromo- |
| 4-Bromo-1-butyne |
| 1-Butyne,4-bromo |
| 3-Butynyl Bromide |
| 4-Bromobut-1-yne |
| 1-bromo-3-butynol |
| 4-bromo-but-1-yne |
| homopropargyl bromide |
