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Generic Name
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Colour Index Hue
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Synonyms
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1-Amino-8-Naphtol-3,6 Disulfonic Acid (Sodium Salt)
8-Amino-1-Naphtol-3,6 Disulfonic Acid (Sodium Salt)
1-Amino-8-Hydroxynaphthalene-3,6-Disulfonic Acid
Mono Sodium Salt
4-Amino-5-Hydroxynaphthalene-2,7-Disulfonic Acid
Mono Sodium Salt
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Empirical formula
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C H O NS 10 9 7 2 (Free Acid mw 319) C H O NS NA 10 9 7 2 (Mono Sodium Salt mw 341)
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CAS-No.
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5460-9-3
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Appearance
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off-white to light grey powder.
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Strength
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80.00 % min. (on mw 319)
85.00 % min. (on mw 341)
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Insoluble Matter in Dilute Soda Ash Sol.
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0.10 % max. on 100 %
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Impurities
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Chromotropic acid
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Koch acid
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Omega acid
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0.8 % max. on 100 %
0.2 % max. on 100 %
0.2 % max. on 100 %
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Sales Basis
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On 100 % (Real Weight.)
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Packing
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PP/PE-woven Bags. (As per the requirement of the customer.)
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Use
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Intermediate for dyestuffs.
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