
2028-63-9
| Name | 3-Butyn-2-ol |
| CAS | 2028-63-9 |
| EINECS(EC#) | 217-978-1 |
| Molecular Formula | C4H6O |
| MDL Number | MFCD00211237 |
| Molecular Weight | 70.09 |
| MOL File | 2028-63-9.mol |
Chemical Properties
| Appearance | clear colorless to light yellow liquid |
| Melting point | -1.5°C |
| alpha | 0°(c=1, CHCl3) |
| Boiling point | 66-67 °C/150 mmHg (lit.) |
| density | 0.950 g/mL at 20 °C |
| vapor pressure | 11hPa at 20℃ |
| refractive index | n |
| Fp | 78 °F |
| storage temp. | Flammables area |
| Water Solubility | Completely miscible in water |
| form | Liquid |
| pka | 13.28±0.20(Predicted) |
| color | Clear colorless to light yellow |
| Specific Gravity | 0.894 |
| BRN | 635722 |
| InChI | 1S/C4H6O/c1-3-4(2)5/h1,4-5H,2H3 |
| InChIKey | GKPOMITUDGXOSB-UHFFFAOYSA-N |
| SMILES | CC(O)C#C |
| LogP | 1.1 at 35℃ |
Safety Data
| Symbol(GHS) | ![]() ![]() ![]() GHS02,GHS05,GHS06 |
| Signal word | Danger |
| Hazard statements | H225-H300+H310+H330-H315-H318-H412 |
| Precautionary statements | P210-P273-P280-P303+P361+P353-P304+P340+P310-P305+P351+P338 |
| Hazard Codes | T,F |
| Risk Statements | |
| Safety Statements | |
| RIDADR | UN 2929 6.1/PG 2 |
| WGK Germany | 3 |
| RTECS | ES0709800 |
| F | 10 |
| Hazard Note | Irritant |
| TSCA | Yes |
| REACH Registrations | Active |
| HazardClass | 6.1 |
| PackingGroup | II |
| HS Code | 29052900 |
| Storage Class | 3 - Flammable liquids |
| Hazard Classifications | Acute Tox. 2 Dermal Acute Tox. 2 Inhalation Acute Tox. 2 Oral Aquatic Chronic 3 Eye Dam. 1 Flam. Liq. 2 Self-react. G Skin Irrit. 2 |


