DSD acid|p-nitrotoluene-o-sulfonic acid|DNDS acid|ANSD acid-Luoyang Dongyuan Chemical Co.,Ltd.

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国产色一区二区三区_亚洲无码性爱视频在线播放_精品在线无码高清_97人妻碰撞视屏

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4,4’-Diaminostilbene-2,2’-disulf..

p-nitrotoluene-o-sulfonic acid ..

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Para Amino Azo Benzene 4 Sulfonic Acid

Chemical name: Para Amino Azo Benzene 4 Sulfonic Acid
Structural formula:

Chemical formula: C₁₂H₁₁N₃O₃S
Molecular weight: 277.3
CAS NO.:104-23-4
Quality index:

Item	Index
Appearance	Orange to Brown Powder
Water	1% Maxi
Water Insolluble	0.2% Maxi
4-Aminoazobenzene-3’-sulfonic acid [102-23-8]	1 % Maxi
4-Aminoazobenzene [60-09-3]	< 0.1%
Sulphate content	2500 PPM Maxi
Ash content	0.1% Maxi

Main use: it is an intermediate of dyes, can be used to manufacture Acid Yellow 6, Acid Red 151, Acid Red 7, Acid Red 142, Direct Red 152
Packing: 25kg plastic woven bag or upon clients' request.