U.S. imports of Benzothiazole Ring-System Heterocyclic Compounds (HS 293420) totaled $9.2M in August 2026, imported from 16 countries.
Importers of Benzothiazole Ring-System Heterocyclic Compounds paid $1.2M in duties in August 2026, an average duty rate of 13.79% — duty actually collected as a share of the imports that cleared customs, not the published tariff schedule. Benzothiazole Ring-System Heterocyclic Compounds imports of $9.2M in August 2026 ran 34% above the year-to-date monthly average of $6.8M.
Last updated: August 2026 dataBenzothiazole-ring compounds are a commercially important class of heterocyclics with dominant applications in rubber vulcanization chemistry. The heading's most actively traded subheadings cover the classic rubber accelerator family: 2-mercaptobenzothiazole (2934201500), its sodium salt (2934202000), 2,2-dithiobisbenzothiazole (2934201000), and N-tert-butyl-2-benzothiazolesulfenamide (2934200500) — all primary or secondary accelerators used in tire and industrial rubber manufacturing. Additional subheadings cover pesticides (2934203500) and other aromatic compounds (2934208000). China has historically been a dominant supplier of rubber accelerators in this family, and importers should monitor Section 301 tariff applicability for Chinese-origin shipments. Purity and active-content specifications are the key quality parameters for rubber-grade accelerators.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
198 import shipments a month
Many rubber processing chemicals, including benzothiazole-based accelerators, originating from China are subject to Section 301 tariffs. Importers should verify the current List classification and applicable additional duty for their specific compound and 10-digit HTS subheading with CBP or a licensed customs broker, as rates and product coverage can change.
Classification turns on the specific chemical identity: 2-mercaptobenzothiazole (MBT) at 2934201500, its sodium salt at 2934202000, 2,2-dithiobisbenzothiazole (MBTS) at 2934201000, and N-tert-butyl-2-benzothiazolesulfenamide (TBBS) at 2934200500 are each separately enumerated. Importers should provide the CAS number and chemical name on entry documentation to support correct classification and avoid misclassification into the residual 'other' subheading (2934208000).
ImportsExports
Imports
$9.2MYoY · free account
Exports
$2.6MYoY · free account
12-mo low · imports
Low · free accountOver the twelve months to August 2026, the U.S. imported $69.9M of Benzothiazole Ring-System Heterocyclic Compounds and exported $31.5M.
Through August 2026. Source: U.S. Census Bureau.
Trade Directory
List your company under HS 293420 — Benzothiazole Ring-System Heterocyclic Compounds, so the companies trading it can find you. Be the first supplier listed.
HS10 import codes under this HS6 parent, each with its own page. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Imports for consumption | Average duty rate | Dutiable Share | Duty Collected |
|---|---|---|---|---|---|
| 2934200500 | N-Tert-Butyl-2-Benzothiazolesulfenamide | $3.5M | 13.25% | 100.00% | $470K |
| 2934208000 | Other Cmpds Cont A Benzothiazole Ring System | $1.6M | 9.58% | 90.51% | $150K |
| 2934201000 | 2,2-Dithiobisbenzothiazole | $1.1M | 18.93% | 100.00% | $201K |
| 2934202000 | 2-Mercaptobenzothiazole, Sodium Salt | $1.0M | 10.00% | 100.00% | $104K |
| 2934202500 | 2-Amino-5,6-Dichlorobenzothiazole; Etc. | $1.0M | 10.84% | 100.00% | $110K |
| 2934201500 | 2-Mercaptobenzothiazole Etc | $469K | 35.08% | 100.00% | $165K |
| 2934204000 | Prod in U.S. Note 3 to Sec 6 Cont A Benzothiaz Etc | $39K | 14.84% | 53.78% | $6K |
| 2934203500 | Pesticides Containing A Benzothiazole Ring Etc | — | -- | -- | -- |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 2934200000 | Cmpds Cont A Benzothiazole Ring-System Etc | $2.6M |
Import lines come from the U.S. Harmonized Tariff Schedule and export lines from Schedule B. The two are numbered by different agencies, so the same 10-digit code can appear in both tables describing a different product.
Subheading 3 of 6 in heading 2934
Subheading 293420 · $9.2M of $324.9M
Imports · August 2026
origin
Belgium and China together supply 90% of it. China pays 21.4% duty; Belgium 9.9%.
customs district
destination
entry
rate provision · imports
1.8% enters free of duty; duty collected equals 13.79% of imports for consumption.