U.S. imports of Formulated Biocides Based on 2-Methyl-4-Isothiazolin-3-One, On 2-N-Octyl-4-Isothiazolin-3-One, or on 4,5-Dichloro-2-N-Octyl-4-Isothiazolin-3-One, or Mix (HS 3808993000) totaled $1.6M in August 2026, imported from 10 countries.
Importers of Formulated Biocides Based on 2-Methyl-4-Isothiazolin-3-One, On 2-N-Octyl-4-Isothiazolin-3-One, or on 4,5-Dichloro-2-N-Octyl-4-Isothiazolin-3-One, or Mix paid $134K in duties in August 2026, an average duty rate of 8.12% — duty actually collected as a share of the imports that cleared customs, not the published tariff schedule. Formulated Biocides Based on 2-Methyl-4-Isothiazolin-3-One, On 2-N-Octyl-4-Isothiazolin-3-One, or on 4,5-Dichloro-2-N-Octyl-4-Isothiazolin-3-One, or Mix imports of $1.6M in August 2026 ran 45% below the year-to-date monthly average of $3.0M.
Last updated: August 2026 dataAverage import price $2.63/kg · 74 import shipments a month
Statistical number 3 of 6 in subheading 380899
Statistical number 3808993000 · $1.6M of $8.7M
Imports
Imports
$1.6MYoY · free account
Low of 8 reported months · imports
Low · free accountThrough August 2026 · imports 8 of 12 months reported. Source: U.S. Census Bureau.
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Imports · August 2026
origin
Mexico and China together supply 98% of it. China pays 37.2% duty; Mexico 0.0%.
customs district
None recorded for this period.
destination
Census publishes state breakdowns to the 6-digit level only. See HS 380899 for those.
entry
Census publishes port breakdowns to the 6-digit level only. See HS 380899 for those.
rate provision · imports
None recorded for this period.