2-Chloro-p-toluidine-5-sulfonic acid Technical Grade
Technical grade 2-Chloro-p-toluidine-5-sulfonic acid (CAS 88-51-7) with minor impurities, still qualifying as a separate chemically defined compound under Chapter 29 notes. Used in industrial dye synthesis, classified under the specific HTS 2921.43.90.20.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If impurity level exceeds chapter threshold for mixtures
Mixtures not chemically defined per note (a) shift to Chapter 38 preparations.
If containing nucleic function additives
Later heterocyclic compounds take precedence if additional rings present per numerical order.
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Import Tips & Compliance
• Provide assay certificate showing principal component matches CAS 88-51-7; segregate from purer grades to avoid blending issues
• Ensure GHS-compliant labeling for corrosive sulfonic acid properties
Related Products under HTS 2921.43.90.20
2-Chloro-p-toluidine-5-sulfonic acid
A chemically defined aromatic monoamine derivative featuring a toluidine base with chloro and sulfonic acid substituents, classified under HTS 2921.43.90.20 per CAS No. 88-51-7. It serves as a key intermediate in synthesizing azo dyes and pigments due to its reactive amine and sulfonic groups.
2-Chloro-p-toluidine-5-sulfonic acid Sodium Salt
The sodium salt form of 2-chloro-p-toluidine-5-sulfonic acid (CAS 88-51-7 base), a water-soluble aromatic amine derivative used in dye manufacturing. Classified specifically under HTS 2921.43.90.20 as the parent compound's salt per chapter notes on inorganic salts.
CAS 88-51-7 2-Chloro-4-methyl-6-sulfanilic acid
Alternative naming for 2-Chloro-p-toluidine-5-sulfonic acid (CAS 88-51-7), an aromatic toluidine derivative with sulfonic acid group for enhanced solubility in azo pigment production. Precisely matches HTS 2921.43.90.20 due to its chemical definition as a toluidine salt derivative.
Dye Intermediate 2-Chloro-5-sulfo-4-methylaniline
Synonymous with 2-Chloro-p-toluidine-5-sulfonic acid (CAS 88-51-7), this aromatic amine-sulfonic acid is a building block for reactive dyes. Falls under HTS 2921.43.90.20 as a toluidine derivative per precise chemical structure.