Tariffs API
HTS 3824.99.26.00 Tariff
HTS 3824.99.26.00 classifies "Benzene, 2,4-diisocyanate-1,3,5-tris(1- methylethyl) homopolymer; 5-Fluoro-2-methyl-1-[[4-(methylsulfinyl)- phenyl]methylene]-1H-indene;Mixtures of dimethyl phthalate, t-butanol, hydrogen peroxide, and sodium salicylate; andMixtures containing derivatives of N-[4-(2- hydroxy-3-phenoxypropoxy)phenyl]- acetamide" in the US Harmonized Tariff Schedule. Base duty rates below apply to most trade; country of origin can change applicable rates and add additional duties (e.g. Section 301). Use the calculator or API to compute total duty.
- Type: Base HTS
- How to use: Base rates apply to most countries (General/Special). Column 2 applies to non-MFN countries. Additional duties (Section 301, 232, IEEPA) may apply by origin; use the calculator or resolve API to get the full picture.
Related explainers:
Official HTS Description
Official product classification and description from the Harmonized Tariff Schedule
Product Name
Benzene, 2,4-diisocyanate-1,3,5-tris(1- methylethyl) homopolymer; 5-Fluoro-2-methyl-1-[[4-(methylsulfinyl)- phenyl]methylene]-1H-indene;Mixtures of dimethyl phthalate, t-butanol, hydrogen peroxide, and sodium salicylate; andMixtures containing derivatives of N-[4-(2- hydroxy-3-phenoxypropoxy)phenyl]- acetamide
HTS Schedule Description
Benzene, 2,4-diisocyanate-1,3,5-tris(1- methylethyl) homopolymer; 5-Fluoro-2-methyl-1-[[4-(methylsulfinyl)- phenyl]methylene]-1H-indene;Mixtures of dimethyl phthalate, t-butanol, hydrogen peroxide, and sodium salicylate; andMixtures containing derivatives of N-[4-(2- hydroxy-3-phenoxypropoxy)phenyl]- acetamide
Additional Description
Benzene, 2,4-diisocyanate-1,3,5-tris(1- methylethyl) homopolymer; 5-Fluoro-2-methyl-1-[[4-(methylsulfinyl)- phenyl]methylene]-1H-indene;Mixtures of dimethyl phthalate, t-butanol, hydrogen peroxide, and sodium salicylate; andMixtures containing derivatives of N-[4-(2- hydroxy-3-phenoxypropoxy)phenyl]- acetamide
HS Code
3824.99.26.00
HTS Number
3824.99.26.00
Unit of Quantity
kg
Classification Level
Level 5 (more specific = higher level)
Legal Notes & Requirements
Important footnotes and legal requirements for this HTS classification
See 9903.88.03.
Additional Duties (Section 301, 232, etc.)
Country-specific additional tariffs separate from base rates
Section 301 Uncertain
Trade remedies targeting specific countries
See 9903.88.03
Note: Rate not specified in source. Research Chapter 99 code for exact rate.
Applies to: CN
Effective date unknown
Confidence: High (Authority could not be determined from text; manual classification needed; Excludes specific headings for products of China as per U.S. notes)
See 9903.88.03
Note: Rate not specified in source. Research Chapter 99 code for exact rate.
Applies to: CN
Effective date unknown
Confidence: High (Authority could not be determined from text; manual classification needed; References multiple subheadings and specifies products of China)
See 9903.88.03
Note: Rate not specified in source. Research Chapter 99 code for exact rate.
Applies to: CN
Effective date unknown
Confidence: High (Authority could not be determined from text; manual classification needed; Excludes specific headings for products of China as per U.S. notes.)
See 9903.88.03
Note: Rate not specified in source. Research Chapter 99 code for exact rate.
Applies to: CN
Effective date unknown
Confidence: High (Authority could not be determined from text; manual classification needed; Excludes specific headings for products of China as per U.S. notes)
See 9903.88.03
Note: Rate not specified in source. Research Chapter 99 code for exact rate.
Applies to: CN
Effective date unknown
Confidence: High (Authority could not be determined from text; manual classification needed; References multiple subheadings and specifies products of China)
Unknown Additional Duty Uncertain
Additional trade measures
Tip: Select a country of origin above to see which measures apply.
Related HTS Codes
Other codes in the same chapter ( 3824)
Showing up to 12 related codes. Search all HTS codes for more.
Frequently Asked Questions
This is a US Harmonized Tariff Schedule (HTS) code that classifies "Benzene, 2,4-diisocyanate-1,3,5-tris(1- methylethyl) homopolymer; 5-Fluoro-2-methyl-1-[[4-(methylsulfinyl)- phenyl]methylene]-1H-indene;Mixtures of dimethyl phthalate, t-butanol, hydrogen peroxide, and sodium salicylate; andMixtures containing derivatives of N-[4-(2- hydroxy-3-phenoxypropoxy)phenyl]- acetamide". It determines base duty rates for imports; additional duties may apply by country of origin.
Yes. General and Special rates apply by trade agreement and origin. Additional duties (Section 301, 232, IEEPA) are origin-specific. Use the tariff calculator or resolve API with an origin to see full duty.
Use our tariff calculator (with HTS and optional origin) or the API endpoint GET /api/v1/tariffs/resolve with hts and origin. The API returns base tariffs and additional measures separately; sum as needed for your use case.
Duty rates (HTS columns)
Base duty rates and agreement-specific tariffs for this product
Column 1 - General
Normal Trade Relations (NTR/MFN) rates for most countries
Free
Effective: February 02, 2026
Column 1 - Special
No special rate available
Column 2
Higher rates for non-MFN countries
3.7¢/kg + 60%
Effective: November 19, 2025
Compound Rate: 4¢/kg + 60.0%
Quick Actions
Recent Changes
3.7% → 60.0%
3 months ago
376.0% → 3.7%
3 months ago
Free → Free
3 months ago