2919.90.50
Other
Phosphoric esters and their salts, including lactophosphates; their halogenated, sulfonated, nitrated or nitrosated derivatives: 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)
3.7%
Column 2 (Non-NTR)
25%
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)
9903.90.08
35%
ActiveArticles the product of the Russian Federation, as provided for in U.S. note 30(a) to this subchapter and as provided for in the subheadings enumerated in U.S. note 30(b) to this subchapter
Applies to origin: RU, BY
Effective from April 5, 2025
Antidumping & countervailing (AD/CVD)
2 active AD/CVD orders may apply to this code. Applicability is set by the written scope of each order, not the HTS number alone.
A-570-168
AD · CN
all-others deposit
Certain Alkyl Phosphate Esters
Applicability is determined by the written scope of the order, not the HTS code alone. An order linked to this code may or may not cover a specific product.
Order details →C-570-169
CVD · CN
all-others deposit
Certain Alkyl Phosphate Esters
Applicability is determined by the written scope of the order, not the HTS code alone. An order linked to this code may or may not cover a specific product.
Order details →Related CBP rulings
The tariff classification of Tris (2-Chloroisopropyl) Phosphate (TCPP) (CAS No. 1244733-77-4) from China
The documentation received with your request was forwarded to the CBP Laboratories and Scientific Services Directorate (LSSD) for review. That review is now complete. We apologize for the delay in the issuance of this ruling. Tris (2-chloro
The tariff classification of Diphenyl Cresyl Phosphate (CAS # 26444-49-5) from Taiwan
The subject product is called Diphenyl Cresyl Phosphate (CAS #26444-49-5). It is a chemical intermediate which is used as a raw material. It is also known as Diphenyl p-tolyl phosphate. You indicate that it is commonly used as a flame retar
The tariff classification of Tris(2-chloroisopropyl)phosphate, CAS No. 13674-84-5, from China
Tris(2-chloroisopropyl)phosphate, also known as 2-Propanol, 1-chloro-, phosphate (3:1) is a nonaromatic, halogenated derivative of a phosphoric acid ester. The product is indicated for use as a flammable inhibitor in order to produce bar or
The tariff classification of 2-Chlorophenyl phosphodichloridate, CAS 15074-54-1 from China
Your request was sent to our laboratory for analysis. We apologize for the delay. 2-Chlorophenyl phosphodichloridate, CAS 15074-54-1, also known as Phosphorodichloridic acid, 2-chlorophenyl ester, is a halogenated derivative of an aromatic
The tariff classification of 4-Chlorophenyl phosphodichloridate, CAS 772-79-2 from China
Your request was sent to our laboratory for analysis. We apologize for the delay. 4-Chlorophenyl phosphodichloridate, CAS 772-79-2, also known as Phosphorodichloridic acid, 4-chlorophenyl ester, is a halogenated derivative of an aromatic ph
The tariff classification of Sodium glycerophosphate, CAS # 154804-51-0, imported in bulk form, from Germany
The subject product, Sodium glycerophosphate, is a salt of a nonaromatic phosphoric ester indicated for use as a pharmaceutical intermediate.
The tariff classification of PUMA® 4050, CAS # 38051-10-4, from China
The subject product, PUMA® 4050, chemically known as Phosphoric acid, 2,2-bis(chloromethyl)-1,3-propanediyl tetrakis(2-chloroethyl) ester, is a halogenated derivative of a nonaromatic phosphoric ester. The product is indicated for use as a
The tariff classification of Calcium magnesium phytate, CAS # 3615-82-5, imported in bulk powder form, from Japan
The subject product, Calcium magnesium phytate, is a salt of a nonaromatic phosphoric acid ester indicated for use as a dietary supplement.
The tariff classification of PUMA 4020, PUMA 4030, and PUMA 4040 from China.
You state in your inquiry that these products will be used as flame-retardants for the manufacturing of all forms of polyurethane foam.
Classification of 12 diethylene glycol bis(allyl carbonate) based prepolymer resins from Italy; and tri(butoxyethyl) phosphate plasticizer from England.
RAV 7AT, RAV 7BT, RAV 700, RAV 705, RAV 7NG, RAV 7MC, RAV 710, RAV 713, RAV 717, RAV 752, RAV 720, and RAV 7-55 are described as prepolymer resins based on primary component diethylene glycol bis(allyl carbonate). Based on Customs Lab Repor
The tariff classification of various chemical compounds from Switzerland
The tariff classification of various chemical compounds from Switzerland
The tariff classification of Tris(dimethylaminomethyl)phenol, CAS # 90-72-2; Tris(2-chloroisopropyl)phosphate, CAS # 13674-84-5; Diethanolamine, CAS # 111-42-2; Diethylethanolamine, CAS # 100-37-8 and Dimethylethanolamine, CAS # 108-01-0, imported in bulk form, from China
Tris(dimethylaminomethyl)phenol, also known as Phenol, 2,4,6-tris[(dimethylamino)methyl]-, is an amino-phenol compound. Tris(2-chloroisopropyl)phosphate, also known as 2-Propanol, 1-chloro-, phosphate (3:1) is a nonaromatic, halogenated der
Other codes in heading 2919
Duty by origin country
The rate above is the statutory base. Total landed duty depends on origin — see the calculated rate for 2919.90.50 from each major US trading partner.
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