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Products Introduction of Naphthol AS Series
Products Introduction of Naphthol AS Series
Product	CAS NO.	Appearance	Color Shade	Strength	Purity≥%	Melting point≥^οC	Alkali insoluble ≤%	Bon Acid Content≤%	Moisture≤%
Naphthol AS	92-77-3	Beige powder	similar	100±2%	99.0	246	0.15	0.2	1.0
Naphthol AS-BS	135-65-9	Yellow powder	similar	100±2%	98.0	246	0.20	0.8	1.0
Naphthol AS-E	92-78-4	Light beige powder	similar	100±2%	98.5	258	0.20	0.3	1.0
Naphthol AS-D	135-61-5	Beige brown powder	similar	100±2%	98.5	193	0.30	0.2	1.0
Products Introduction of Bon Acid
Products Introduction of Bon Acid
Product	CAS NO.	Appearance	Content%	Melting point^οC	Bata-Naphthol Content%	Alkali insoluble %	2,6 acid content%	1,2 acid content%	Moisture %
2,3 acid	92-70-6	Light yellow even powder	≥98.5	≥218	≤0.6	≤0.2	≤0.3	Not detected	≤0.3
2-Naphthol Introduction
2-Naphthol Introduction
Product	CAS NO.	Appearance	Content%	Naphtha lene %	Melting point^οC	α-Naphthol Content%	2,2-Joint Naphthol %	Moisture%
2-Naphthol	135-19-3	White crystalline powder or flakes	≥99%	≤0.5	≥120	≤0.5	≤0.5	≤0.3

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