Mercaptopropionic Acid Thiolactic Acid from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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