2918.99.43
Products described in additional U.S. note 3 to section VI
Carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulfonated, nitrated or nitrosated derivatives: Other: Other: Aromatic: Other: Other
Data provenance: Rates from HTS Revision 16 (Aug 15, 2026); trade measures verified against CBP CSMS and Federal Register notices through Aug 15, 2026.
Duty rates
Column 1 (General / MFN)
6.5%
Column 2 (Non-NTR)
15.4¢/kg + 57%
Column 1 (Special / FTA)
Free
Eligible
The rates above are statutory column rates. Trade remedies in Chapter 99 (Section 301, 232, IEEPA, reciprocal) and FTA preferences can change the duty owed on a given entry — see below.
Trade measures (Chapter 99)
No active Chapter 99 measures are linked to this code.
Related CBP rulings
Request for Reconsideration of NY N348053; Cream of Tartar; 9802.00.50
of this case are chemically and commercially indistinguishable from HQ 562175, dated October 29, 2001. GC Chemicals argues that, if purifying a product from 5% to 90% purity is a permissible alteration, then purifying argol from approximate
The tariff classification of cream of tartar from Spain, and eligibility under subheading 9802.00.50, HTSUS
00.50, Harmonized Tariff Schedule of the United States, for cream of tartar from Spain. We referred the information provided to our laboratory for review. We regret the delay. The U.S. origin crude potassium bitartrate (argol or wine lees)
The tariff classification of YMS Methyl Salicylate Pharma and YMS Methyl Salicylate 150 STD from France
The subject products YMS Methyl Salicylate Pharma and YMS Methyl Salicylate 150 STD, are both described as methyl salicylate, CAS No. 119-36-8. You indicate that the YMS Methyl Salicylate Pharma is used primarily in external analgesic drug
The tariff classification of Calcium Lactate Pentahydrate USP (CAS No. 5743-47-5) from China
The subject product, Calcium Lactate Pentahydrate USP is also known as L-Lactic acid calcium salt. It is a salt of lactic acid used in the food industry. You indicate that it will be imported in bulk form.
The tariff classification of DL-Malic acid (CAS No. 6915-15-7) and L-Malic acid (CAS No. 97-67-6) imported in bulk form, from China
DL-Malic acid, CAS No. 6915-15-7, also known as hydroxysuccinic acid is indicated for use as a food additive, acidulant and flavor enhancer. L-Malic acid, CAS No. 97-67-6, also known as L-Apple acid, is indicated for use as a food additive,
The tariff classification of 3,4-Epoxycyclohexylmethyl-3',4'-Epoxycyclohexane Carboxylate, (CAS No. 2386-87-0) from China
The material in question is 3,4-Epoxycyclohexylmethyl-3',4'-Epoxycyclohexane Carboxylate.
The tariff classification of 3,4-Epoxycyclohexylmethyl Methacrylate (CAS # 82428-30-6) from China
The subject product is 3,4-Epoxycyclohexylmethyl Methacrylate (CAS # 82428-30-6) from China. The product will be used in the manufacture of UV curable adhesives or electronic coatings. The product 3,4,-epoxycyclohexlmethyl methacrylate, (CA
The tariff classification of UV 2908 (CAS # 67845-93-6) from China
The subject product is called UV 2908 (CAS # 67845-93-6). It is also known as n-Hexadecyl-3,5-di-tert-butyl-4-hydroxybenzoate, Hexadecyl 4-hydroxy-3,5-bis(2-methyl-2-propanyl)benzoate and Benzoic acid, 3,5-bis(1,1-dimethylethyl)-4-hydroxy-,
Dicamba DMA salt, CAS No. 2003-66-5; DR-CAFTA eligibility
CTL plans to import into the U.S. from Guatemala the Doleac DMA (3,6-dichloro-o-anisic acid-dimethylamine (1:1)), CAS No. 2003-66-5, an herbicide known as Dicamba DMA salt. You state that the Dicamba DMA Salt is classifiable in subheading 3
The tariff classification of Triethyl O-Acetylcitrate (CAS# 77-89-4), imported in liquid form, from the United Kingdom
The subject product is called Triethyl O-Acetylcitrate (CAS# 77-89-4)) imported in liquid form. It is an ester of citric acid. It is indicated for industrial use, as a cosmetic additive, for pharmaceutical use, as raw material for paint, an
The country of origin of 2,4-Dichlorophenoxyacetic 2-ethylhexyl ester (CAS 1928-43-4) emulsion concentrate.
The country of origin of 2,4-Dichlorophenoxyacetic 2-ethylhexyl ester (CAS 1928-43-4) emulsion concentrate.
The tariff classification of Methyl 3,3-dimethoxypropanoate, (CAS 7424-91-1) from China
The subject chemical substance is called Methyl 3,3-dimethoxypropanoate, (CAS 7424-91-1). It consists of an organic substance containing both carboxylic acid and ether functional groups. It is also known as Propanoic acid, 3,3-dimethoxy-, m
Other codes in heading 2918
Duty by origin country
The rate above is the statutory base. Total landed duty depends on origin — see the calculated rate for 2918.99.43 from each major US trading partner.
Follow 2918.99.43
Get an email when a new CBP ruling cites this code, a ruling on it is revoked, or its tariff measures change.
One email per day at most. Confirm your address once, unsubscribe anytime.
Need to defend this classification?
Get the full 10-digit classification with GRI reasoning for your product, backed by cited CBP rulings and an audit trail for reasonable care.