Naphthol AS-BS

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Product Name: Naphthol AS-BS
Chemical Name:  3-Hydroxy-N-(3-nitrophenyl)-2-naphthalenecarboxamide
3-hydroxy-n-(3-nitrophenyl)-2-naphthalenecarboxamide; Acna Naphthol M; C.I.Azoic Coupling Component17(37515); C.I.Azoic coupling component 17;DaitoGrounder BS;DiatholBS;Kambothol AS-BS; Naphtazol B
CAS No: 135-65-9
MF: C17H12N2O4
MW: 308.29
Naphthol Dyes


Yellow-green powder. Soluble in acetic acid. Soluble in caustic soda solution was yellow. Do not dissolve in water and soda solution.


Naphthol AS-BS is mainly used for cotton dyeing red primer, with the red-based R with rose red, with the big red-based G with a brilliant bluish pink. But also with Naphthol AS or Naphthol AS-OL mixed fight base, and then with the big red-based G, the shade was very Hongyan red. Can also be used for dyeing Vinylon, viscose fiber, silk and for the manufacture of fast pigment, neutral element.

Storage: Storage should be cool and ventilated, away from heat, fire, to prevent sun exposure, heat is strictly prohibited.
Package: 25kg PP bag for solid powder. 200L or 250KG Drum for Liquid.


Appearance Yellow-green powder
Content 100%
Moisture ≤0.1%
Insoluble ≤0.1%
Melting point 246-247°C
 Application  Color base

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