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Naphthol AS/BO C.I Naphthol 4(37560)
Azoic Cyes
structural formula:
Molecular Formula: C21H15O2N
Molecular Weight: 313.37
Physical and chemical properties:
Appearance is gream-colored powder, insoluble in water. Soluble in xylene. It shows yellow colored when in caustic solution, melting point: 222-223℃
Specification:
Appearance: light cream-colored brown uniform powder.
Shade: similar to the standard
Strength: 100
I.M.P. of dry product: ≥217℃
Insolubles in alkali solution: ≤0.5%
Moisture content: ≤0.3%
Fineness: ≤5%(residue through 60 mesh)
Application: For cotton dyeing and printing, intermediate for organic pigments.
Packing: In 25kgs net in woven bags, polywood drums or iron drums all lined with plastic bag. {BACK} |
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