无码αⅴ视频在线观看|免费一级a一片一久久|久久精品人人爽人人爽快|91一区二区三区在线观看|无码变态另类一区二区三区|国产亚洲无码一区二区视频|亚洲欧美日韩中文字幕在线一|91精品国产亚洲爽啪在线影院

?

DNTS

4,4'-DINITROSTILBENE-2,2'-DISULPHONIC ACID
(DNTS)

Chemical name:4,4′-dinitrostilbene-2,2′-disulfonic acid

 
  • 128-42-7

    CAS No.

  • Molecular Formula

  • 430

    Molecular Weight

 
Structural Formula:
 

Specification:

Item Index of quality
Contents( on basis of total sample) % ≥65.0
Insoluble in water ( on basis of total sample) % ≤1.0

Usage: It is a kind of dyes intermediates. Can be used in manufacture of DSD Acid.

Packing: 25kg net poly-woven bags or as customers’requirments.


?