国产精品嫩草影院在线看,国产一区二区欧美丝袜,欧美三级中文字幕完整版,国产第二页,在线欧美精品一区二区三区,精品日韩欧美一区二区三区在线播放,国产精品2

Products

People oriented, science and technology first, and win-win cooperation

N-Acetoacet cresidine sulfonic acid (Ammonium salt)

Product name

N-Acetoacet cresidine sulfonic acid (Ammonium salt)

CAS No.

72705-22-7

Molecular formula

C12H18N2O6S

Appearance

off-white powder

Purity

Wet product (wet basis) : ≥80% (Min)

Applications

used in direct yellow 157, etc)

Package

25kgs pp woven bag