Thiamine Tetrahydrofurfuryl Disulfide (TTFD) from Germany
TTFD is an allithiamine-type derivative of vitamin B1 with superior transdermal absorption properties. Classified under HTS 2936.22.00.00 as it functions primarily as a vitamin derivative in nutritional supplements. Popular in Japan for energy and cognitive support formulations.
Duty Rate — Germany → United States
0%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Sulfur odor may trigger additional agricultural inspections; include odor profile in SDS
• Declare Japanese Pharmacopeia compliance if applicable for easier acceptance
• Batch testing for furfuryl alcohol residuals required by FDA import alerts