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2-Amino-4,8-naphthalenedisulfonic acid (Amino C acid) CAS: 131-27-1

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Content
Grey to light red powder. Mainly used for intermediate of synthesis of reactive dye and direct dyes, such as reactive yellow,reactive brown and direct fast blue B2BL. Appearance Grey to light red powder Content 70% Min Insoluble substance ≤0.4%

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