Halogenated derivatives of acyclic hydrocarbons containing two or more different halogens; chlorodifluoromethane

HS v2017 Code: 290371

About halogenated derivatives of acyclic hydrocarbons containing two or more different halogens; chlorodifluoromethane

HS code 290371 covers a group of halogenated derivatives of acyclic hydrocarbons, which are widely used in various industries. These compounds, containing two or more different halogens, play a crucial role in the production of refrigerants, propellants, and other specialized chemicals. As a key component of the broader organic chemicals industry, this classification holds significant economic importance, contributing to global trade and supporting a range of downstream applications.

Production process

The production of the compounds covered by HS code 290371 typically involves a multi-step process. The starting point is often the halogenation of acyclic hydrocarbons, such as methane or ethane, through the introduction of different halogen atoms. This is commonly achieved using specialized chemical reactions and catalysts to control the degree and placement of the halogen substitutions. The resulting halogenated derivatives are then further refined and purified to meet the specific requirements of their intended applications.

Production inputs

The main inputs required for the production of the compounds under HS code 290371 include acyclic hydrocarbon feedstocks, such as natural gas or petroleum-derived streams, as well as various halogen sources, such as chlorine, fluorine, or bromine. Additionally, the production process may require specialized equipment, such as reactors, distillation columns, and purification systems, along with a range of catalysts and other chemical reagents.

Production outputs

The primary outputs of the industry covered by HS code 290371 are the halogenated derivatives of acyclic hydrocarbons, which find use in a variety of applications. These compounds are often used as refrigerants, propellants, and intermediates in the production of other specialized chemicals. Some of the key downstream industries that consume these outputs include the 340311 refrigeration and air conditioning equipment and 330300 cosmetics and personal care sectors.

Revisions to 290371

Classification codes are adjusted frequently. The code may have been revised or replaced between system versions. The table below shows the history (newest to oldest) of the code 290371. The most recent 1 version of this code (290371) is in the HS v2022 system:

This page shows a legacy version of code 290371 ( HS v2017).

Older versions

Family tree for halogenated derivatives of acyclic hydrocarbons containing two or more different halogens; chlorodifluoromethane

    graph LR
    A["<a href='/classifications/hs/v2017/29'>29: Organic chemicals</a>"]
A --> B["<a href='/classifications/hs/v2017/2903'>2903: Halogenated derivatives of hydrocarbons</a>"]
B --> C["<a href='/classifications/hs/v2017/290371'>290371: Halogenated derivatives of acyclic hydrocarbons containing two or more different halogens; chlorodifluoromethane</a>"]

    B --> D["<a href='/classifications/hs/v2017/290311'>290311: Saturated chlorinated derivatives of acyclic hydrocarbons; chloromethane (methyl chloride) and chloroethane (ethyl chloride)</a>"]
B --> E["<a href='/classifications/hs/v2017/290312'>290312: Saturated chlorinated derivatives of acyclic hydrocarbons; dichloromethane (methylene chloride)</a>"]
B --> F["<a href='/classifications/hs/v2017/290313'>290313: Saturated chlorinated derivatives of acyclic hydrocarbons; chloroform (trichloromethane)</a>"]
B --> G["<a href='/classifications/hs/v2017/290314'>290314: Saturated chlorinated derivatives of acyclic hydrocarbons; carbon tetrachloride</a>"]
B --> H["<a href='/classifications/hs/v2017/290315'>290315: Saturated chlorinated derivatives of acyclic hydrocarbons; ethylene dichloride (ISO) (1,2-dichloroethane)</a>"]
B --> I["<a href='/classifications/hs/v2017/290319'>290319: Saturated chlorinated derivatives of acyclic hydrocarbons; n.e.c. in item no. 2903.1</a>"]
B --> J["<a href='/classifications/hs/v2017/290321'>290321: Unsaturated chlorinated derivatives of acyclic hydrocarbons; vinyl chloride (chloroethylene)</a>"]
B --> K["<a href='/classifications/hs/v2017/290322'>290322: Unsaturated chlorinated derivatives of acyclic hydrocarbons; trichloroethylene</a>"]
B --> L["<a href='/classifications/hs/v2017/290323'>290323: Unsaturated chlorinated derivatives of acyclic hydrocarbons; tetrachloroethylene (perchloroethylene)</a>"]
B --> M["<a href='/classifications/hs/v2017/290329'>290329: Unsaturated chlorinated derivatives of acyclic hydrocarbons; n.e.c. in item no. 2903.2</a>"]
B --> N["<a href='/classifications/hs/v2017/290331'>290331: Fluorinated, brominated or iodinated derivatives of acyclic hydrocarbons; ethylene dibromide (ISO) (1,2-dibromoethane)</a>"]
B --> O["<a href='/classifications/hs/v2017/290339'>290339: Fluorinated, brominated or iodinated derivatives of acyclic hydrocarbons; other than ethylene dibromide (ISO) (1,2-dibromoethane)</a>"]
B --> P["<a href='/classifications/hs/v2017/290372'>290372: Halogenated derivatives of acyclic hydrocarbons containing two or more different halogens; dichlorotrifluoroethane</a>"]
B --> Q["<a href='/classifications/hs/v2017/290373'>290373: Halogenated derivatives of acyclic hydrocarbons containing two or more different halogens; dichlorofluoroethanes</a>"]
B --> R["<a href='/classifications/hs/v2017/290374'>290374: Halogenated derivatives of acyclic hydrocarbons containing two or more different halogens; chlorodifluoroethanes</a>"]
B --> S["<a href='/classifications/hs/v2017/290375'>290375: Halogenated derivatives of acyclic hydrocarbons containing two or more different halogens; dichloropentafluoropropanes</a>"]
B --> T["<a href='/classifications/hs/v2017/290376'>290376: Halogenated derivatives of acyclic hydrocarbons containing two or more different halogens; bromochlorodifluoromethane, bromotrifluoromethane, and dibromotetrafluoroethanes</a>"]
B --> U["<a href='/classifications/hs/v2017/290377'>290377: Halogenated derivatives of acyclic hydrocarbons containing two or more different halogens; n.e.c. in headings 290371 to 290376, perhalogenated only with fluorine and chlorine</a>"]
B --> V["<a href='/classifications/hs/v2017/290378'>290378: Halogenated derivatives of acyclic hydrocarbons containing two or more different halogens; perhalogenated derivatives, other than those only with fluorine and chlorine, n.e.c. in item no. 2903.71 to 2903.76</a>"]
B --> W["<a href='/classifications/hs/v2017/290379'>290379: Halogenated derivatives of acyclic hydrocarbons containing two or more different halogens; n.e.c. in item no. 2903.7</a>"]
B --> X["<a href='/classifications/hs/v2017/290381'>290381: Halogenated derivatives of cyclanic, cyclenic or cycloterpenic hydrocarbons; 1,2,3,4,5,6-Hexachlorocyclohexane (HCH (ISO)), including lindane (ISO, INN)</a>"]
B --> Y["<a href='/classifications/hs/v2017/290382'>290382: Halogenated derivatives of cyclanic, cyclenic or cycloterpenic hydrocarbons; aldrin (ISO), chlordane (ISO), and heptachlor (ISO)</a>"]
B --> Z["<a href='/classifications/hs/v2017/290383'>290383: Halogenated derivatives of cyclanic, cyclenic or cycloterpenic hydrocarbons; mirex (ISO)</a>"]
B --> BA["<a href='/classifications/hs/v2017/290389'>290389: Halogenated derivatives of cyclanic, cyclenic or cycloterpenic hydrocarbons; n.e.c. in item no. 2903.8</a>"]
B --> BB["<a href='/classifications/hs/v2017/290391'>290391: Halogenated derivatives of aromatic hydrocarbons; chlorobenzene, o-dichlorobenzene, and p-dichlorobenzene</a>"]
B --> BC["<a href='/classifications/hs/v2017/290392'>290392: Halogenated derivatives of aromatic hydrocarbons; hexachlorobenzene (ISO) and DDT (ISO) (clofenotane (INN), and 1,1,1-trichloro-2,2-bis(p-chlorophenyl)ethane)</a>"]
B --> BD["<a href='/classifications/hs/v2017/290393'>290393: Halogenated derivatives of aromatic hydrocarbons; pentachlorobenzene (ISO)</a>"]
B --> BE["<a href='/classifications/hs/v2017/290394'>290394: Halogenated derivatives of aromatic hydrocarbons; hexabromobiphenyls</a>"]
B --> BF["<a href='/classifications/hs/v2017/290399'>290399: Halogenated derivatives of aromatic hydrocarbons; n.e.c. in item no. 2903.91, 2903.92, 2903.93 and 2903.94</a>"]

    

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