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Organic Intermediate/Raw materials

Metanilic acid CAS 121-47-1

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Product Details

Chemical Name: Metanilic acid

Synonyms: 3-Aminobenzenesulfonic acid

Molecular Structure:

Product Typical Properties

Items Specification
Cas No 121-47-1
Molecular Formula C6H7NO3S
Molecular Weight 173.19
Appearance White powder
Purity 98%min
Water insoluble substance 0.1%max



Used for manufacturing azo dyes and sulfide dyes, such as weak acid dark blue 5R, GR acid golden yellow G, reactive brilliant orange K-G, K-GN, KR, K-7R, etc., and also for manufacturing other dyes. It is also used to produce m-aminophenol, vanillin, etc. This product is highly toxic and its toxicity is similar to that of aniline.


Product Usage

  • Aminobenzenesulfonic acid is widely used in the synthesis of fine chemicals such as pharmaceuticals, pesticides, spices, beverages, and food, especially in the synthesis of a new type of polypropylene nucleating transparent agent, 3-aminobenzenesulfonic acid sorbitol. It is a new generation of non-toxic plastic additives and is widely used in food packaging materials.


Product Packaging



Product Storage

Please store in a dry, cool and dark place



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