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N354347 · 2026-04-14 — The tariff classification of Di(2-propylheptyl) phthalate (DPHP) (CAS No. 53306-54-0) from multiple countries
We referred the information provided to our laboratory for review. We regret the delay. The subject product, Di(2-propylheptyl) phthalate (DPHP) (CAS No. 53306-54-0), is greater than 99 percent pure, with the remainder consisting of impurities, as indicated in a follow-up email. You further indicated that DPHP will be imported in bulk form from various countries, including China, Germany, India, South Korea, Sweden, and Taiwan, for use as a plasticizer in polyvinyl chloride. According to the Customs Laboratory, DPHP is an ester of orthophthalic acid and an isomer of didecyl orthophthalate.…
N265289 · 2015-08-20 — The tariff classification of Diisodecyl orthophthalate (DIDP) and Diisononyl orthophthalate (DINP).
The documentation that was supplied with your request was sent to our Lab and Scientific Services Division for review. The review is now complete. The two products consist of the following: Diisodecyl orthophthalate (CAS # 26761-40-0), also known as Phthalic acid, diisodecyl ester. You state that it is commonly used as a plasticizer in the production of plastics. The product is a single chemical compound for tariff classification purposes. Diisononyl orthophthalate (CAS # 28553-12-0), also known as 1,2-Benzenedicarboxylic acid, diisonyl ester. You state that it is commonly used as a…
D84976 · 1999-02-03 — The tariff classification of Synplast Dinp (CAS # 68515-45-7) from Canada
Synplast Dinp, also known as 1,2-Benzenedicarboxylic acid, dinonyl ester, branched and linear, is an aromatic polycarboxylic acid derivative. The compound will be used as a plasticizer. The applicable subheading for Synplast Dinp, will be 2917.33.0050, Harmonized Tariff Schedule of the United States (HTS), which provides for Aromatic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives: Dinonyl or didecyl orthophthalates..... Other..... The general rate of duty will be 0.1 cents per kilogram plus 12.1 percent ad valorem. This ruling is being issued…
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