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-KB

Clicks:2083Times

Items: Naphthol AS-KB
C.I. 37526
CAS: 135-63-7
Chemical FormulaC18H14ClNO2

Appearance: Light  beige  powder

Color shade(with standard):similar

Strength:100±3%
Purity:≥98%
Melting point:≥240℃
Insoluble in Alkali:≤0.5%
BON acid content:≤0.2%
Reidue on 60 Msieve(or 80 Masrequest):≤5%


Use: This product is mainly used as organic pigment intermediate.It can produce organic red 11, 147, 162. This product can also be used for the dyeing of cotton, viscose and silk, is generally not used for printing. This product has low affinity to cotton, the best dyeing temperature is 30 DEG C, the infection temperature is 90 DEG C.