Mercaptopropionic Acid Thiolactic Acid from Mexico
Thiolactic acid (2-mercaptopropanoic acid) is an alpha-mercapto carboxylic acid classified under HTS 2930.90.4950. Direct sulfur-carbon bonding with both thiol and carboxylic functions; used in cosmetic depilatories and metal finishing.
Duty Rate — Mexico → United States
14.2%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Chiral specification (DL-, D-, or L-form) required for documentation
• Odor control agent permitted per Chapter 29(g) safety provisions
• Skin sensitization warnings mandatory on SDS