2138-22-9 4-chloropyrocatechol
cas

2138-22-9 4-chloropyrocatechol

product Name 4-chloropyrocatechol
Synonyms Chlorocatechol; 4-Chlorocatechol; 4-Chloro-1,2-Dihydroxybenzene; 4-chlorobenzene-1,2-diol
Molecular Formula C6H5ClO2
Molecular Weight 144.5557
InChI InChI=1/C6H5ClO2/c7-4-1-2-5(8)6(9)3-4/h1-3,8-9H
CAS Registry Number 2138-22-9
EINECS 218-381-9
Molecular Structure 2138-22-9 4-chloropyrocatechol
Density 1.471g/cm3
Melting point 90-94℃
Boiling point 267.1°C at 760 mmHg
Refractive index 1.629
Flash point 115.3°C
Vapour Pressur 0.00505mmHg at 25°C
Hazard Symbols  C:Corrosive;
Risk Codes R34:;
Safety Description S26:;
S36/37/39:;
S45:;
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