
38771-21-0
| Name | 4-BROMO-1-BUTYNE |
| CAS | 38771-21-0 |
| Molecular Formula | C4H5Br |
| MDL Number | MFCD10000883 |
| Molecular Weight | 132.987 |
| MOL File | 38771-21-0.mol |
Chemical Properties
| Boiling point | 110 °C |
| density | 1.417 g/mL at 25 °C |
| refractive index | 1.481 |
| Fp | 24 °C |
| storage temp. | Refrigerator |
| solubility | Chloroform (Slightly), Methanol (Slightly) |
| form | clear liquid |
| color | Colorless to Light yellow to Light orange |
| Water Solubility | Immiscible with water. |
| InChI | InChI=1S/C4H5Br/c1-2-3-4-5/h1H,3-4H2 |
| InChIKey | XLYOGWXIKVUXCL-UHFFFAOYSA-N |
| SMILES | C#CCCBr |
Safety Data
| Symbol(GHS) | ![]() ![]() GHS02,GHS06 |
| Signal word | Danger |
| Hazard statements | H226-H301-H317 |
| Precautionary statements | P210-P280-P301+P310+P330-P302+P352 |
| Hazard Codes | T |
| Risk Statements | |
| Safety Statements | |
| RIDADR | UN 1992 6.1(3) / PGIII |
| WGK Germany | 3 |
| HazardClass | 3 |
| PackingGroup | III |
| HS Code | 29039990 |
| Storage Class | 3 - Flammable liquids |
| Hazard Classifications | Acute Tox. 3 Oral Flam. Liq. 3 Skin Sens. 1 |

