3-小9体育直播下载安装苹果

intermediate

3-aminonaphthalene-1,5-disulphonic acid

c.a.s. no.: 131-27-1

chemical formula: c10h9no6s2

molecular weight: 303.32

chemical name:

2-amino naphthylamine-4,8-disulfonic acid

 

 

appearance

light purple-red powder

coupling value

70% or 80% min.

insoluble

0.5% max.

packing

25 kg woven bag



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