国产欧美日韩一区三区_最新国产三级_在线观看v资源黄色片_538精品视频免费在线观看_精品乱码一区内射人妻无码_午夜激情久久av_免费着区欠一级片_男人的天堂少妇无码视频_国产精品亚洲第一区在线麻豆_日韩欧美伦理三级

  • Naphthol Series
    •
  • Bases And Others
    •
  • Pigments
    •
  • Dyestuffs
    •

NAPHTHOL AS-OL

Clicks：2325Times

Items:Naphthol AS-OL
C.I. 37530
CAS: 135-62-6
Chemical Formula：C18H15NO3
Appearance: Light beige brown powder

Color shade(with standard):similar

Strength:100±3%
Purity:≥98%
Melting point:≥160℃
Insoluble in Alkali:≤0.5%
BON acid content:≤0.2%
Reidue on 60 Msieve(or 80 Masrequest):≤5%
Usage: This product is mainly used as organic pigment intermediate. It can produce pigment red 9, 15, 119, 243, 261, 266, pigment orange 4. This product can also be used for cotton yarn, cotton cloth, cotton knitted fabric, towel, bath towel, vinylon, viscose, silk, cotton and nylon two acetate fiber cotton dyeing and printing, dyeing printing, direct printing. It can also be used in the manufacture of fast - color, fast - amine, fast - and organic pigments. Low affinity for cotton, medium coupling capacity.