| product Name |
2-butynoic acid |
| Synonyms |
2-Butynoic acid; 1-Propynecarboxylic acid; 3-Methylpropiolic acid; NSC 174116; Tetrolic acid (8CI); but-2-ynoic acid; but-2-ynoate |
| Molecular Formula |
C4H3O2 |
| Molecular Weight |
83.066 |
| InChI |
InChI=1/C4H4O2/c1-2-3-4(5)6/h1H3,(H,5,6)/p-1 |
| CAS Registry Number |
590-93-2 |
| EINECS |
209-695-7 |
| Molecular Structure |
|
| Melting point |
74-78℃ |
| Boiling point |
203°C at 760 mmHg |
| Flash point |
90.9°C |
| Vapour Pressur |
0.117mmHg at 25°C |
| Hazard Symbols |
 C:Corrosive;
|
| Risk Codes |
R20/21/22:;
R34:;
|
| Safety Description |
S26:;
S36/37/39:;
S45:;
|
|
