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  Products

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
Product
CAS NO.
Appearance
Content%
Melting pointοC
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
Product
CAS NO.
Appearance
Content%
Naphtha lene %
Melting pointοC
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