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NAPHTHOL AS-BO

C.I.:37560
CAS:132-68-3
Chemical Name: NAPHTHOL AS-BO
Molecular formula: C₂₁H₁₅NO₂
Appearance: Beige powder
Shade: Approximate
Intensity: 100±3%
Content: ≥98.5%
Melting point: ≥215℃
Alkali-insoluble: ≤0.2%
2,3 acid content: ≤0.20%
The sieve residue 60 mesh (or 80 mesh)≤5%
Uses: Mainly used for dyeing cotton yarn, cotton fabric, cotton knitted fabric, corduroy, vinylon, viscose, silk and cotton fiber, generally not used for printing. This product has high affinity to cotton and medium coupling ability. It can be used to make fast pigments, neutral pigments and organic pigments.
Synthetic Pigments: P.R.16/P.R.134