Naphthol AS-BS
Product Name:?Naphthol AS-BS
Chemical Name:??3-Hydroxy-N-(3-nitrophenyl)-2-naphthalenecarboxamide
Synonyms:?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
Category: Naphthol Dyes
Structure:
Descriptions:
Yellow-green powder. Soluble in acetic acid. Soluble in caustic soda solution was yellow. Do not dissolve in water and soda solution.
Use:
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.
Specifications:
| Appearance | Yellow-green powder |
| Content | 100% |
| Moisture | ≤0.1% |
| Insoluble | ≤0.1% |
| Melting point | 246-247°C |
| ?Application | ?Color base |