110-16-7 Maleic acid
| ?????? ?? ??? |
Maleic acid |
| ???????? ??? |
Maleic acid; cis-2-Butenedioic acid; (2Z)-but-2-enedioic acid; methylidenepropanedioic acid; (2E)-but-2-enedioic acid; Cis-Butenedioic acid |
| ????? ???????? |
C4H4O4 |
| ?????? ??? |
116.0722 |
| InChI |
InChI=1/C4H4O4/c5-3(6)1-2-4(7)8/h1-2H,(H,5,6)(H,7,8)/b2-1+ |
| ??? ??????? ?????? |
110-16-7 |
| EINECS |
203-742-5 |
| ????? ?????? |
|
| ????? |
1.499g/cm3 |
| ?????? |
134-138℃ |
| ????? ?? ??? |
355.482°C at 760 mmHg |
| ??????? ??????? |
1.526 |
| ????? ??????? |
182.981°C |
| ???? ?? ??????? |
790 g/L (25℃) |
| ????? ?? ???? |
0mmHg at 25°C |
| ???? ?????? |
Xn:Harmful;
|
| ???? ?? ??? |
R22:;
R36/37/38:;
|
| ??????? ????? |
S26:;
S28A:;
S37:;
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