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

Naphthol AS-KB

Product name

Naphthol AS-KB

CAS No.

135-63-7

Molecular formula

C18H14ClNO2

Appearance

Beige powder

Purity

Assay: ≥98.5% (Min)     

Insolubles:≦0.15% (Max)

M.P

≥243°C(Min)

Applications

as an organic pigment intermediate

Package

25kgs pp woven bag