Commodity
Appearance
Purity (min)
M.P (min)
Insolubility (max)
Strength
2.3acid Content (max)
Naphthol AS
cream-colored powder
98.0%
246°C
0.18%
100±5
0.1%
Naphthol AS-D
Creamed brown powder
98.5%
194°C
0.18%
100±5
0.1%
Naphthol AS-E
Light creamed powder
98.5%
257°C
0.18%
100±5
0.1%
Naphthol AS-BS
Light yellow powder
98.5%
243°C
0.18%
100±5
0.1%
Naphthol AS-OL
Creamed brown powder
98.5%
161°C
0.18%
100±5
0.1%
Naphthol AS-PH
Light creamed powder
98.5%
157°C
0.18%
100±5
0.1%
Naphthol AS-LC
cream-colored powder
99.0%
190°C
0.18%
100±5
0.06%
Naphthol AS-OL(refined)
Light Creamed brown powder
99.5%
163°C
0.10%
100±5
0.01%
Naphthol AS-PH(refined)
cream-colored powder
99.5%
158°C
0.10%
100±5
0.01%
Naphthol AS-LC(refined)
cream-colored powder
99.5%
191°C
0.10%
100±5
0.02%
Naphthol AS-IRG
White crystal
99.5%
105°C
0.02%
100±5
0.00%
Naphthol AS-ITR
Light celadon
99.0%
197°C
0.18%
100±5
0.06%
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