590-93-2 2-Butynoic acid
| ?? ????? |
2-Butynoic acid |
| ?? ????? |
2-Butynoic acid; 1-Propynecarboxylic acid; 3-Methylpropiolic acid; NSC 174116; Tetrolic acid; but-2-ynoic acid; but-2-ynoate; 2-butylnoic acid |
| ????????? ??????? |
C4H3O2 |
| ???? ???????? |
83.066 |
| InChI |
InChI=1/C4H4O2/c1-2-3-4(5)6/h1H3,(H,5,6)/p-1 |
| ???? CAS |
590-93-2 |
| EINECS |
209-695-7 |
| ???? ???????? |
|
| ????? ????? |
74-78℃ |
| ????? ????? |
203°C at 760 mmHg |
| ????? ???? |
90.9°C |
| ??? ???? |
0.117mmHg at 25°C |
| Hazard ?????? |
C:Corrosive;
|
| ??????? ???? |
R20/21/22:;
R34:;
|
| ?????? ????? |
S26:;
S36/37/39:;
S45:;
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