Name | 4-Hydroxybut-2-ynoic acid |
Synonyms | 4-Hydroxy-2-butynoic acid 4-Hydroxybut-2-ynoic acid 4-HYDROXY-BUT-2-YNOIC ACID 2-Butynoic acid, 4-hydroxy- 2-butynoic acid, 4-hydroxy- |
CAS | 7218-52-2 |
InChI | InChI=1/C4H4O3/c5-3-1-2-4(6)7/h5H,3H2,(H,6,7) |
Molecular Formula | C4H4O3 |
Molar Mass | 100.07 |
Density | 1.429±0.06 g/cm3(Predicted) |
Melting Point | 115-116 °C |
Boling Point | 319.2±25.0 °C(Predicted) |
Flash Point | 161°C |
Solubility | Acetonitrile (Slightly), DMSO (Slightly) |
Vapor Presure | 2.83E-05mmHg at 25°C |
Appearance | Solid |
Color | Pale Beige to Light Beige |
pKa | 2.09±0.10(Predicted) |
Storage Condition | 2-8°C |
Refractive Index | 1.531 |
Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. |