What HS code 2920.23 covers
HS code 2920.23 classifies esters; phosphite esters and their salts; their halogenated, sulphonated, nitrated or nitrosated derivatives, trimethyl phosphite. It is a subheading of heading 2920 (Esters of other inorganic acids of non-metals (other than of hydrogen halides) and their salts, their halogenated, sulphonated, nitrated or nitrosated derivatives), in chapter 29 (Organic chemicals), section VI of the Harmonized System. These six digits are identical in every country that uses the HS.
Classification path
Import duty for 2920.23
Base MFN rate only. Section 301 and 2025 IEEPA tariffs can stack on top for goods from China.
Source: HTSUS / CBP
Erga-omnes (third-country) MFN rate. Import VAT of 17 to 27 percent by country, and any anti-dumping measures, apply separately.
Source: TARIC
Imported this in 2024 or 2025?
Courts voided some of the tariffs importers paid on goods like this. You may be owed money back. The audit is free and we only get paid when you do.
Related codes in heading 2920
Not quite the right fit? These subheadings sit under the same heading and are the most common alternatives to 2920.23.
- 2920.11 Esters; thiophosphoric esters (phosphorothioates) and their salts, their halogenated, sulphonated, nitrated or nitrosated derivatives, parathion (ISO) and parathion-methyl (ISO) (methyl-parathion)
- 2920.19 Esters; thiophosphoric esters (phosphorothioates) and their salts; other than parathion (ISO) and parathion-methyl (ISO) (methyl-parathion)
- 2920.21 Esters; phosphite esters and their salts; their halogenated, sulphonated, nitrated or nitrosated derivatives, dimethyl phosphite
- 2920.22 Esters; phosphite esters and their salts; their halogenated, sulphonated, nitrated or nitrosated derivatives, diethyl phosphite
- 2920.24 Esters; phosphite esters and their salts; their halogenated, sulphonated, nitrated or nitrosated derivatives, triethyl phosphite
- 2920.29 Esters; phosphite esters and their salts; their halogenated, sulphonated, nitrated or nitrosated derivatives, n.e.c. in heading no. 2920
- 2920.30 Esters; of other inorganic acids of non-metals (excluding esters of hydrogen halides) and their salts; their halogenated, sulphonated, nitrated or nitrosated derivatives, endosulfan (ISO)
- 2920.90 Esters; other than thiophosphoric esters (phosphorothioates) and phosphite esters and their salts, their halogenated, sulphonated, nitrated or nitrosated derivatives, n.e.c. in heading no. 2920
Confirm the code for your exact product
A 6-digit subheading still covers a range of products. The wrong code at the border can mean overpaying duty, a delayed shipment, or a penalty. Describe your exact item and HS Mate confirms whether 2920.23 is right, with the duty rate and an audit trail your customs broker can accept.