💾 Data Updated: 2025 HTS Revision 30 • Last updated: November 24, 2025

9902.02.38 - t-Butyl cumyl peroxide ({2-[(2-methyl-2-propanyl)peroxy]-2-propanyl}benzene) (CAS No. 3457-61-2) (provided for in subheading 2909.60.10)

Details

FieldValue
Unit of QuantityN/A
General Rate of DutyFree
Special Rate of DutyNo change
Column 2 Rate of DutyNo change
Quota QuantityN/A
Additional DutiesN/A

Overview

This HTS category, 9902.02.38, specifically covers t-Butyl cumyl peroxide, also identified by its CAS number 3457-61-2. Chemically known as {2-[(2-methyl-2-propanyl)peroxy]-2-propanyl}benzene, this organic peroxide is a distinct chemical compound. Its inclusion in Chapter 99 signifies its treatment under temporary legislation or specific trade agreement provisions, rather than its primary classification under the standard chemical chapters. For general tariff purposes, this substance would typically fall under subheading 2909.60.10, which pertains to organic peroxides.

Given that this node is a leaf node within the HTS database, there are no direct subcategories to discuss. Therefore, the classification is highly specific to the named chemical. When encountering this classification, it is crucial to verify that the imported product precisely matches the chemical structure and nomenclature of t-Butyl cumyl peroxide. Unlike broader categories, this provision does not encompass other types of organic peroxides or related chemical compounds. The purpose of this specialized classification is to apply specific customs procedures or duty rates as dictated by temporary trade measures.

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