p-chlorobenzoic acid

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p-chlorobenzoic acid ; 4-chlorobenzoic acid is a white solid powder, m.p.239 ~ 241 °c, soluble in methanol, ethanol and ether, soluble in water, toluene and 95% ethanol, 4-chlorobenzoic acid, 4- chlorobenzoic acid fungicides dimethomorph, rodenticide warfarin, coumatetralyl and insecticide bifenthrin fluorine chlorine intermediates, 4-chlorobenzoic acid use is the intermediate of dye and medicine, used in medicine, pesticides and dyes and organic synthesis intermediates.

quality standard
test items standard results
appearance white to off-white crystalline powder complies
melting point 239-241°c 239.7-240.6°c
assay(hplc) 99.50% min 99.84%
moisture 0.5% max 0.10%
unknown impurity 0.5% max complies
2-chlorobenzoic acid 0.5% max complies
residue on ignition 0.1% max complies
conclusion complies

74-11-3