Harmonized Tariff Schedule of the United States · HTS code · HS 3204.20
3204.20.40: Synthetic organic products of a kind used as fluorescent: benzoxazol
Not declarable on its own: use one of its 1 subdivisions Data: Harmonized Tariff Schedule of the United States · checked on 24 October 2026
- 3204 Synthetic organic coloring matter, whether or not chemically defined; preparations as specified in note 3 to this chapter based on synthetic organic coloring matter; synthetic organic products of a kind used as fluorescent brightening agents or as luminophores, whether or not chemically defined:
- 3204.20 Synthetic organic products of a kind used as fluorescent brightening agents:
- 3204.20.40 Benzoxazol
What you pay
Importing into USA
US additional duties of HTS chapter 99 in force on 22 October 2026 are included (Section 301, 232, 338 and 201). IEEPA duties are no longer collected after the Supreme Court ruling of February 2026. Conditional exemptions (US content, end use, metal share) are not computed: check the provision.
Additional duties and import rules
Charges on top of the customs duty, and rules the goods must meet at the border.
No additional measures recorded for this origin.
Same subheading in other tariffs
3204.20 Synthetic organic products of a kind used as fluorescent brightening agents
UK 6% Third-country duty 3 tariff lines 
EU 6% Third-country duty 1 tariff line 
Türkiye 6% Third-country duty 1 tariff line 
Canada Free Third-country duty 1 tariff line 
Mexico Free – 6% Third-country duty 3 tariff lines · average 2% 
Brazil 12.6% Third-country duty 3 tariff lines 
Argentina 12.6% Third-country duty 6 tariff lines 
Peru Free Third-country duty 1 tariff line 
New Zealand Free Third-country duty 1 tariff line 
Japan 4.4% Third-country duty 1 tariff line 
Taiwan 5% Third-country duty 1 tariff line 
GCC 5% Third-country duty 1 tariff line 
Switzerland Free Third-country duty 1 tariff line 
Norway Free Third-country duty 1 tariff line 
North Macedonia Free Third-country duty 1 tariff line 
Nigeria 5% Third-country duty 1 tariff line USA lines: 3204.20
Legal notes
Notes
1. This chapter does not cover:
(a) separate chemically defined elements or compounds (except those of heading 3203 or 3204, inorganic products of a kind used as luminophores (heading 3206), glass obtained from fused quartz or other fused silica in the forms provided for in heading 3207, and also dyes and other colouring matter put up in forms or packings for retail sale of heading 3212);
(b) tannates or other tannin derivatives of products of headings 2936 to 2939, 2941 or 3501 to 3504; or
(c) mastics of asphalt or other bituminous mastics (heading 2715).
2. Heading 3204 includes mixtures of stabilised diazonium salts and couplers for the production of azo dyes.
3. Headings 3203, 3204, 3205 and 3206 apply also to preparations based on colouring matter (including, in the case of heading 3206, colouring pigments of heading 2530 or Chapter 28, metal flakes and metal powders), of a kind used for colouring any material or used as ingredients in the manufacture of colouring preparations. The headings do not apply, however, to pigments dispersed in non-aqueous media, in liquid or paste form, of a kind used in the manufacture of paints, including enamels (heading 3212), or to other preparations of headings 3207, 3208, 3209, 3210, 3212, 3213 or 3215.
4. Heading 3208 includes solutions (other than collodions) consisting of any of the products specified in headings 3901 to 3913 in volatile organic solvents when the weight of the solvent exceeds 50 % of the weight of the solution.
5. The expression ‘colouring matter’ in this chapter does not include products of a kind used as extenders in oil paints, whether or not they are also suitable for colouring distempers.
6. The expression ‘stamping foils’ in heading 3212 applies only to thin sheets of a kind used for printing, for example, book covers or hat bands, and consisting of:
(a) metallic powder (including powder of precious metal) or pigment, agglomerated with glue, gelatin or other binder; or
(b) metal (including precious metal) or pigment, deposited on a supporting sheet of any material.
In the Harmonized Tariff Schedule of the United States, 3204.20.40 is one of 3 lines under subheading 3204.20, synthetic organic products of a kind used as fluorescent brightening agents.
The general duty is free, and quantities are declared in kg.
For the same subheading, the UK duty is 6%, the EU duty is 6%, the Türkiye duty is 6%, the Canada duty is free, the Mexico duty is 0%–6%, the Brazil duty is 12.6%, the Argentina duty is 12.6%, the Peru duty is free, the New Zealand duty is free, the Japan duty is 4.4%, the Taiwan duty is 5%, the GCC duty is 5%, the Switzerland duty is free, the Norway duty is free, the North Macedonia duty is free and the Nigeria duty is 5%.
The United States imported goods of subheading 3204.20 worth US$47m in 2024; the largest supplier was Switzerland.
Questions and answers
What is the USA import duty for HTS code 3204.20.40?
The general duty in the Harmonized Tariff Schedule of the United States is free; the supplementary unit is kg. Preferential rates for goods from agreement countries, anti-dumping duties and VAT are not included.
Where does the United States import these goods from?
For subheading 3204.20 as a whole, the largest supplier in 2024 was Switzerland (US$14m), followed by India.