30525-89-4 Paraformaldehyde
| ?????? ?? ??? |
Paraformaldehyde |
| ???????? ??? |
Paraformaldehyde; polyformaldehyde; ethyl methyl ether |
| ????? ???????? |
(CH2O)n |
| ?????? ??? |
30n |
| InChI |
InChI=1/C3H8O/c1-3-4-2/h3H2,1-2H3 |
| ??? ??????? ?????? |
30525-89-4 |
| ????? ?????? |
|
| ????? |
0.711g/cm3 |
| ?????? |
120-170℃ |
| ????? ?? ??? |
6.8°C at 760 mmHg |
| ??????? ??????? |
1.339 |
| ???? ?? ??????? |
sparingly soluble |
| ????? ?? ???? |
1440mmHg at 25°C |
| ???? ?????? |
Xn:Harmful;
|
| ???? ?? ??? |
R20/22:;
R36/37/38:;
R40:;
R43:;
|
| ??????? ????? |
S24:;
S26:;
S36/37/39:;
S45:;
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