2138-22-9 4-chloropyrocatechol
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4-chloropyrocatechol |
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4-chloropyrocatechol; Chlorocatechol; 4-Chlorocatechol; 4-Chloro-1,2-Dihydroxybenzene; 4-chlorobenzene-1,2-diol |
| ????? ???????? |
C6H5ClO2 |
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144.5557 |
| InChI |
InChI=1/C6H5ClO2/c7-4-1-2-5(8)6(9)3-4/h1-3,8-9H |
| ??? ??????? ?????? |
2138-22-9 |
| EINECS |
218-381-9 |
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|
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1.471g/cm3 |
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90-94℃ |
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267.1°C at 760 mmHg |
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1.629 |
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115.3°C |
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0.00505mmHg at 25°C |
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C:Corrosive;
|
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R34:;
|
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S26:;
S36/37/39:;
S45:;
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