Name | but-2-yn-1-ol |
Synonyms | 2-Butynol 2-butyn-1-0l 2-Butyn-1-ol 2-BUTYNE-1-OL but-2-yn-1-ol 2-Butyne-1-ol BUT-2-IN-1-OL 2-Butynyl alcohol 1-hydroxy-2-butyne HYDROXYMETHYLMETHYLACETYLENE |
CAS | 764-01-2 |
EINECS | 212-113-4 |
InChI | InChI=1/C4H6O/c1-2-3-4-5/h5H,4H2,1H3 |
Molecular Formula | C4H6O |
Molar Mass | 70.09 |
Density | 0.937 g/mL at 25 °C (lit.) |
Melting Point | -2.2 °C (lit.) |
Boling Point | 142-143 °C (lit.) |
Flash Point | 125°F |
Solubility | Miscible with chloroform and methanol. |
Vapor Presure | 1.67mmHg at 25°C |
Appearance | Liquid |
Specific Gravity | 0.937 |
Color | Clear colorless to light yellow |
BRN | 1733676 |
pKa | 13.14±0.10(Predicted) |
Storage Condition | Refrigerator |
Stability | Stable. Flammable. |
Refractive Index | n20/D 1.453(lit.) |
Risk Codes | R10 - Flammable R43 - May cause sensitization by skin contact R52/53 - Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment. R36/37/38 - Irritating to eyes, respiratory system and skin. |
Safety Description | S36/37 - Wear suitable protective clothing and gloves. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S16 - Keep away from sources of ignition. |
UN IDs | UN 1987 3/PG 3 |
WGK Germany | 3 |
HS Code | 29052990 |
Hazard Note | Irritant |
Hazard Class | 3 |
Packing Group | III |