Hong Kong, China Special Administrative Region HS Code

HS Code 292021: Phosphite esters and their salts; their halogenated, sulphonated, nitrated or nitrosated derivatives : Dimethyl phosphite in Hong Kong, China Special Administrative Region

Q: Is HS code 292021 the same across all countries?

Yes — up to the 6-digit level, HS code 292021 is the same in every WCO member country. Beyond 6 digits, each country extends the code for national tariff and statistical use. Hong Kong, China Special Administrative Region extends it under HKHS.

Q: What system does Hong Kong, China Special Administrative Region use to classify HS code 292021?

Hong Kong, China Special Administrative Region classifies products under the Hong Kong Harmonized System (HKHS; locally 香港協調制度), which extends HS codes to 8 digits. The first 6 digits align with the WCO Harmonized System, and the rest cover national tariff and statistical needs.

Q: Where can I officially look up HS code 292021 in Hong Kong, China Special Administrative Region?

The official source is https://www.customs.gov.hk/en/home/index.html. For faster cross-country lookups, TradeInt's HS Code Tool consolidates classifications across all major countries in one place.

What is HS Code 292021 in Hong Kong, China Special Administrative Region

Under Hong Kong, China Special Administrative Region's Hong Kong Harmonized System (香港協調制度), HS Code 292021 is the WCO Harmonized System subheading for Phosphite esters and their salts; their halogenated, sulphonated, nitrated or nitrosated derivatives : Dimethyl phosphite. This is the most detailed internationally standardized level; Hong Kong, China Special Administrative Region extends classifications to 8 digits under its national tariff system. 292021 belongs to Section VI: Products of the chemical or allied industries, Chapter 29: Organic chemicals, Heading 2920: Esters of other inorganic acids of nonmetals (excluding esters of hydrogen halides) and their salts; their halogenated, sulphonated, nitrated or nitrosated derivatives.

Explore more 2026 Latest Hong Kong, China Special Administrative Region import export trade data and shipment records for HS Code Dimethyl Phosphite on TradeInt global trade data platform

Classification Path of HS Code 292021 in Hong Kong, China Special Administrative Region

Section VI

Chapters (28-38) Products of the chemical or allied industries

Chapter 29

Organic chemicals

HS Code 2920

Esters of other inorganic acids of nonmetals (excluding esters of hydrogen halides) and their salts; their halogenated, sulphonated, nitrated or nitrosated derivatives

HS Code 292021

Phosphite esters and their salts; their halogenated, sulphonated, nitrated or nitrosated derivatives : Dimethyl phosphite

HS Code 29202100

DIMETHYL PHOSPHITE 亞磷酸二甲酯

Hong Kong, China Special Administrative Region Tariff Classification: Hong Kong Harmonized System (HKHS)

In Hong Kong, China Special Administrative Region, HS 292021 is classified under the Hong Kong Harmonized System (香港協調制度) — a 8-digit national extension of the WCO 6-digit Harmonized System.

Tariff schedule Hong Kong Harmonized System (HKHS)

Local name 香港協調制度

Digits 8

Official source https://www.customs.gov.hk/en/home/index.html

You know what 292021 means. Now see 2026 latest real trade activity for Dimethyl Phosphite in Hong Kong, China Special Administrative Region.

Buyers, suppliers, origin and destination countries, shipment dates, and quantities direct from customs records.

Search 2026 Latest Hong Kong, China Special Administrative Region Import Data Search 2026 Latest Hong Kong, China Special Administrative Region Export Data

Top Trading Product of HS Code 2920

Top Hong Kong, China Special Administrative Region import Product Under HS Code 2920

1 292019: Thiophosphoric esters (phosphorothioates) and their salts; their halogenated, sulphonated, nitrated or nitrosated derivatives : Other $539.1K 2 292090: Other $265.7K 3 292029: Phosphite esters and their salts; their halogenated, sulphonated, nitrated or nitrosated derivatives : Other $60.5K

Figures shown for 2025.

For more 2026 recent data, search for Hong Kong, China Special Administrative Region import trade records

Top Hong Kong, China Special Administrative Region export Product Under HS Code 2920

1 292090: Other $302.1K 2 292029: Phosphite esters and their salts; their halogenated, sulphonated, nitrated or nitrosated derivatives : Other $35.9K

Figures shown for 2025.

For more 2026 recent data, search for Hong Kong, China Special Administrative Region export trade records

Related HS Code to Hong Kong, China Special Administrative Region Dimethyl Phosphite (292021)

HS Code 29202100

DIMETHYL PHOSPHITE

HS Code 292011

Thiophosphoric esters (phosphorothioates) and their salts; their halogenated, sulphonated, nitrated or nitrosated derivatives : Parathion (ISO) and parathionmethyl (ISO) (methylparathion)

HS Code 292019

Thiophosphoric esters (phosphorothioates) and their salts; their halogenated, sulphonated, nitrated or nitrosated derivatives : Other

HS Code 292022

Phosphite esters and their salts; their halogenated, sulphonated, nitrated or nitrosated derivatives : Diethyl phosphite

HS Code 292023

Phosphite esters and their salts; their halogenated, sulphonated, nitrated or nitrosated derivatives : Trimethyl phosphite

HS Code 292024

Phosphite esters and their salts; their halogenated, sulphonated, nitrated or nitrosated derivatives : Triethyl phosphite

HS Code 292029

Phosphite esters and their salts; their halogenated, sulphonated, nitrated or nitrosated derivatives : Other

Frequently Asked Questions

What is HS code 292021 in Hong Kong, China Special Administrative Region?

HS code 292021 covers Phosphite esters and their salts; their halogenated, sulphonated, nitrated or nitrosated derivatives : Dimethyl phosphite in Hong Kong, China Special Administrative Region. It sits in Chapter 29 (Organic chemicals), Heading 2920 of the Harmonized System, and is classified under HKHS.

Is HS code 292021 the same across all countries?

What system does Hong Kong, China Special Administrative Region use to classify HS code 292021?

Where can I officially look up HS code 292021 in Hong Kong, China Special Administrative Region?