无码中初一区二区|AV不卡一到六区|东京热免费视频无码人|国产中文字幕久久|成人高清无码www|性福五月天色五月AV高清国产无码|成人春色满园网站|天天操天天操综合|色情久久爽爽久无码|一区二区三区四区欧美

Products

4-β-Hydroxyethylsulfonyl sulfate aniline-2-sulfonic acid

English name: Aniline-4-beta-ethyl sulfonyl sulfate-2-sulfonic acid
Alias: Sulfonic para base ester
Structural formula:  

Molecular formula: C8H11O9S3
Molecular weight: 361.37
CAS NO.: 42986-22-1


Quality index:

Appearance Light purple tide
Content ≥ 65%
Purity ≥ 92%


To use: Reactive dye intermediates used in place of para esters.