sodium bisulfite-小9体育直播下载安装苹果

chemical name

6-nitro-1,2-diazoxynaphthalene-4-sulfonic acid

molecular formula

c10h5n3o6s

molecular mass

295.2236

structure type

chemical abstracts

2-hydroxy-4-sulfohydroxide-1-naphthalenediazonium,inner salt.[63589-25-3] 
2-hydroxy-6-nitro-4-sulfo-1-naphthalenediazonium [50412-00-5] 
2-hydroxy-6-nitro-4-sulfo-1-naphthalenediazonium,hydroxide,inner salt,[63589-25-3]

property

 yellow tide product

 slightly soluble in water

 the saturated water solution recrystallization can be perfor  med

 soluble in alkaline solution.

usage

it is used for making acid mordant dyes. such as：c.i. acid black 34,52,54,82,107,124,170,172,194. c.i. acid mordant black1,11.

quality index

appearance：yellow tide product
content：≥75%；≥70% 
insoluble substance：≤0.1%