n w acid-金年会金字招牌信誉至上入口

intermediate

n w acid

c.a.s. no.: 84-87-7

chemical formula: c₁₀h₈o₄s

molecular weight: 224.23

chemical name:

1-naphthol-4-sulfonic acid;

1-hydroxy-4-naphthalenesulfonic acid;

appearance	white powder
purity	65% min. (1-naphtho-4-sulfonic acid)
1-naphthylamine-4-sulfonic acid	1.2% max. on 100% base
so2	0.3% max. on 100% base
packing	25kg woven bag