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-E

Clicks：2092Times

Items: Naphthol AS-E
C.I. 37510
CAS: 92-78-4
Chemical Formula：C17H12ClNO2
Appearance: Light  beige  powder

Color shade(with standard):similar

Strength:100±3%
Purity:≥98%
Melting point:≥255℃
Insoluble in Alkali:≤1%
BON acid content:≤1%
Reidue on 60 Msieve(or 80 Masrequest):≤5%
Usage: This product is mainly used as organic pigment intermediate.It can produce pigment red 8, 30, pigment violet 43. This product can also be used for dyeing cotton fabric, viscose and silk, and it is generally not used for printing. This product has high affinity to cotton, and the coupling ability is moderate.