| product Name |
Acetylenedicarboxylic acid |
| Synonyms |
Butynedioic acid; Acetaylenedicarboxylic Acid; but-2-ynedioic acid; potassium 3-carboxyprop-2-ynoate; but-2-ynedioate |
| Molecular Formula |
C4O4 |
| Molecular Weight |
112.0415 |
| InChI |
InChI=1/C4H2O4/c5-3(6)1-2-4(7)8/h(H,5,6)(H,7,8)/p-2 |
| CAS Registry Number |
142-45-0 |
| EINECS |
205-536-0 |
| Molecular Structure |
|
| Melting point |
180-187℃ |
| Boiling point |
362.4°C at 760 mmHg |
| Flash point |
187.2°C |
| Water solubility |
soluble |
| Vapour Pressur |
3.08E-06mmHg at 25°C |
| Hazard Symbols |
 T:Toxic;
 Xi:Irritant;
|
| Risk Codes |
R25:;
R36/37/38:;
|
| Safety Description |
S26:;
S37/39:;
S45:;
|
|
