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Molecular formula: C6H7NO3S
Molecular weight : 173. 2
Appearance and characters:Pale Pink ointmentor crystals.
Slightly soluble in water,ethylalcohol and ether.
Usuage:As an intermediate of dyestuffs;and used to
manufacturing azo dyes,acid dyes,sulphurdyes and other
dyes.It is also used to produce Vanillin,used to manufactur-ing
metaaminophenolin medicine industry.
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