Thiolactic Acid from Japan
Thiolactic acid (2-mercaptopropanoic acid) contains alpha-mercapto functionality on lactic acid backbone. Pure compound status under Chapter 29(a) places it in HTS 2930.90.4920 as mercaptocarboxylic acid. Used in depilatory creams and flavor synthesis.
Duty Rate — Japan → United States
4.2%
Rate breakdown
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• Odor threshold low; sealed containers with vapor scrubber recommended
• Confirm <0.1% lactic acid impurity to maintain pure compound classification
• Cosmetic grade requires additional FDA color additive petition