United States tariff line 2934.10.70.00: 4,5-Dichloro-2-n-octyl-4-isothiazolin-3-one; Ethyl 2-(2-aminothiazol-4-yl)-2- hydroxyiminoacetate; Ethyl 2-(2-aminothiazol-4-yl)-2- methoxyiminoacetate; 2-Methyl-4-isothiazolin- 3-one; 2-n-Octyl-4-isothiazolin-3-one; and Thiothiamine hydrochloride
Last updated
Key facts
- Tariff line
- 2934.10.70.00
- Covers
- Compounds containing an unfused thiazole ring (whether or not hydrogenated) in the structure, 4,5-Dichloro-2-n-octyl-4-isothiazolin-3-one; Ethyl 2-(2-aminothiazol-4-yl)-2- hydroxyiminoacetate; Ethyl 2-(2-aminothiazol-4-yl)-2- methoxyiminoacetate; 2-Methyl-4-isothiazolin- 3-one; 2-n-Octyl-4-isothiazolin-3-one; and Thiothiamine hydrochloride
- Duty (MFN)
- Free
- Additional duties
- None recorded
- Restrictions
- None recorded
- Tariff
- United States
- HS subheading
- 2934.10
Summary
In the United States tariff, line 2934.10.70.00 covers compounds containing an unfused thiazole ring (whether or not hydrogenated) in the structure, 4,5-Dichloro-2-n-octyl-4-isothiazolin-3-one; Ethyl 2-(2-aminothiazol-4-yl)-2- hydroxyiminoacetate; Ethyl 2-(2-aminothiazol-4-yl)-2- methoxyiminoacetate; 2-Methyl-4-isothiazolin- 3-one; 2-n-Octyl-4-isothiazolin-3-one; and Thiothiamine hydrochloride. Goods under this line enter free of general (MFN) duty. It falls under HS subheading 2934.10 in heading 29.34 (chapter 29).
What this line covers
In the United States tariff, line 2934.10.70.00 covers compounds containing an unfused thiazole ring (whether or not hydrogenated) in the structure, 4,5-Dichloro-2-n-octyl-4-isothiazolin-3-one; Ethyl 2-(2-aminothiazol-4-yl)-2- hydroxyiminoacetate; Ethyl 2-(2-aminothiazol-4-yl)-2- methoxyiminoacetate; 2-Methyl-4-isothiazolin- 3-one; 2-n-Octyl-4-isothiazolin-3-one; and Thiothiamine hydrochloride.
Its legal text is “4,5-Dichloro-2-n-octyl-4-isothiazolin-3-one; Ethyl 2-(2-aminothiazol-4-yl)-2- hydroxyiminoacetate; Ethyl 2-(2-aminothiazol-4-yl)-2- methoxyiminoacetate; 2-Methyl-4-isothiazolin- 3-one; 2-n-Octyl-4-isothiazolin-3-one; and Thiothiamine hydrochloride”, read under “Compounds containing an unfused thiazole ring (whether or not hydrogenated) in the structure” and “Other”.
How it is structured
It falls under HS subheading 2934.10 in heading 29.34 (chapter 29). The first six digits are the Harmonized System code; the 4 digits after them are added by the United States tariff.
- Chapter 29
- Organic chemicals
- Heading 29.34
- Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds
- Subheading 2934.10
- Compounds containing an unfused thiazole ring (whether or not hydrogenated) in the structure
- Within the subheading
- Other
- Line 2934.10.70.00
- 4,5-Dichloro-2-n-octyl-4-isothiazolin-3-one; Ethyl 2-(2-aminothiazol-4-yl)-2- hydroxyiminoacetate; Ethyl 2-(2-aminothiazol-4-yl)-2- methoxyiminoacetate; 2-Methyl-4-isothiazolin- 3-one; 2-n-Octyl-4-isothiazolin-3-one; and Thiothiamine hydrochloride
Duty
Goods under this line enter free of general (MFN) duty.
Other lines under 2934.10
- 2934.10.10.00Products described in additional U.S. note 3 to section VI
- 2934.10.20.00Other
- 2934.10.90.00Other
In other countries
No other national tariff on border.bot has live lines under 2934.10 yet.
Frequently asked questions
What does tariff line 2934.10.70.00 cover in the United States tariff?
In the United States tariff, line 2934.10.70.00 covers compounds containing an unfused thiazole ring (whether or not hydrogenated) in the structure, 4,5-Dichloro-2-n-octyl-4-isothiazolin-3-one; Ethyl 2-(2-aminothiazol-4-yl)-2- hydroxyiminoacetate; Ethyl 2-(2-aminothiazol-4-yl)-2- methoxyiminoacetate; 2-Methyl-4-isothiazolin- 3-one; 2-n-Octyl-4-isothiazolin-3-one; and Thiothiamine hydrochloride.
What is the general (MFN) duty on 2934.10.70.00 in the United States?
Goods under this line enter free of general (MFN) duty.
Sources and updates
The tariff lines for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.
The duty rates for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.
The trade programmes for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.
This page was last updated on 9 October 2026.
Guidance from published tariff data, not a binding ruling. For a decision customs must follow, apply to the destination’s customs authority for a binding tariff ruling.
Official source files: