Distilled Thioglycolic Acid
Vacuum-distilled thioglycolic acid with minimized impurities, certified for electronics-grade applications. Classified under HTS 2930.90.4910 as chemically defined organo-sulfur acid.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If complexed with metal for plating bath
Metal coordination compounds classified by latest numerical heading per Chapter 29 note 3(C)(3).
If put up as pickling preparation
Chemical preparations for specific metal treatment shift to Chapter 38.
If halogenated derivative (chloroacetic acid precursor)
Halogenated derivatives prioritized by substituent in earlier headings per Chapter notes.
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Import Tips & Compliance
• Specify distillation conditions (pressure, temperature) and impurity profile (<1ppm heavy metals)
• Use nitrogen-purged, HDPE bottles with PTFE liners for moisture-sensitive transport
• Validate against RoHS Directive limits for electronic chemical imports
Related Products under HTS 2930.90.49.10
Thioglycolic Acid 99% Pure
Thioglycolic acid (mercaptoacetic acid), a chemically defined organic compound with the formula HSCH₂COOH, classified under HTS 2930.90.4910 as an organo-sulfur acid. It features a sulfur atom directly linked to carbon, fitting Chapter 29 note for separate chemically defined compounds.
Industrial Grade Thioglycolic Acid
Technical grade thioglycolic acid used in polymer synthesis and metal extraction, specifically classified under HTS 2930.90.4910. Meets Chapter 29 requirements as a separate chemically defined organo-sulfur acid with direct C-S bond.
Pharmaceutical Grade Thioglycolic Acid USP
Ultra-pure thioglycolic acid meeting USP standards for pharmaceutical intermediates, classified under HTS 2930.90.4910. Qualifies as chemically defined organo-sulfur acid per Chapter 29 scope.
Thioglycolic Acid with Stabilizer
Thioglycolic acid containing added stabilizer for transport stability, explicitly allowed under Chapter 29 note (f). Remains classified as pure compound under HTS 2930.90.4910, not as mixture.