羞羞答答网站路口_国产喷水福利在线观看_无码成人Av一区二区_国产精品欧美91_毛片视频观看免费_久久香蕉国产视频_尻逼视频软件_暖暖亚洲日韩欧_婷婷第一页中文字幕在线_亞洲精品自拍aⅴ在線

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

NAPHTHOL AS-LC

Clicks：2160Times

Items: Naphthol AS-LC
C.I. 37555
CAS: 4273-92-1
Chemical Formula: C19H16ClNO4

Appearance: Light beige to grey powder


Color shade(with standard):similar

Strength:100±3%
Purity:≥98%
Melting point:≥188℃
Insoluble in Alkali:≤0.5%
BON acid content:≤0.4%
Reidue on 60 Msieve(or 80 Masrequest):≤5%
Usage: This product is mainly used in organic pigment intermediate. It can produce pigment red 146, 184. This product can also be used for dyeing cotton fabric, viscose, silk, cotton and polyester fiber, is generally not used for printing, dyeing of cotton yarn less application. This product has high affinity to cotton, and the coupling ability is moderate.