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Naphthol AS/BS C.I Naphthol 17(37515)
Azoic Dyes
structural formula:
Molecular Formula: C17H12O4N2
Molecular Weight: 308.29
Physical and chemical properties:
Appearance is yellow green powder, insoluble in water and sodium carbonate, soluble in acetic acid, showing yellow in sodium hydroxide solution. melting point: 246-247℃
Appearance: yellow green uniform powder
I,M,P of dry product: ≥242℃
Shade: similars to the standard
Strength: 100
Content: ≥98%
Insolubles in alkali solution: ≤0.5%
Fineness: ≤5%(residue through 60 mesh)
Application: The gounder of dyeing & printing cotton and the intermediates for rapidly colors.
Packing: In 25kgs woven bags, kraft paper bags, iron drums and fibre drums all lined with plastic bag. {BACK} |
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