Halogenated derivatives of acyclic hydrocarbons containing two or more different halogens; chlorodifluoromethane (HCFC-22)

HS v2022 Code: 290371

About halogenated derivatives of acyclic hydrocarbons containing two or more different halogens; chlorodifluoromethane (hcfc-22)

HS code 290371 covers a range of halogenated derivatives of acyclic hydrocarbons, including the widely used refrigerant chlorodifluoromethane (HCFC-22). These compounds play a crucial role in various industrial and commercial applications, from refrigeration and air conditioning to the production of other chemicals. As the global economy continues to evolve, the demand for these versatile compounds remains strong, making this industry an important component of the broader chemical sector.

Production process

The production of halogenated derivatives of acyclic hydrocarbons, such as those covered under HS code 290371, typically involves a multi-step chemical synthesis process. This often begins with the chlorination or fluorination of simple alkanes, followed by further halogenation reactions to introduce additional halogen atoms. The specific techniques used can vary depending on the target compound, but generally involve the use of specialized catalysts, reaction vessels, and purification methods to ensure the desired product quality and purity.

Production inputs

The main inputs required for the production of HS code 290371 compounds include various hydrocarbon feedstocks, such as methane, ethane, or propane, as well as halogen sources like chlorine or fluorine. Specialized catalysts, solvents, and energy sources (e.g., heat, electricity) are also essential for the chemical synthesis and purification processes. Additionally, the industry relies on advanced manufacturing equipment, including reactors, distillation columns, and other specialized processing units.

Production outputs

The outputs of HS code 290371 include a range of halogenated acyclic hydrocarbon derivatives, with chlorodifluoromethane (HCFC-22) being a prominent example. These compounds find widespread use in various industries, such as 382111 Refrigeration and air conditioning equipment, 340311 Lubricating preparations, and 290390 Other halogenated derivatives of acyclic hydrocarbons. The versatility of these products ensures a consistent demand from a diverse set of downstream industries.

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 version):

This page shows the most recent version of code 290371.

Family tree for halogenated derivatives of acyclic hydrocarbons containing two or more different halogens; chlorodifluoromethane (hcfc-22)

    graph LR
    A["<a href='/classifications/hs/v2022/29'>29: Organic chemicals</a>"]
A --> B["<a href='/classifications/hs/v2022/2903'>2903: Halogenated derivatives of hydrocarbons</a>"]
B --> C["<a href='/classifications/hs/v2022/290371'>290371: Halogenated derivatives of acyclic hydrocarbons containing two or more different halogens; chlorodifluoromethane (HCFC-22)</a>"]

    B --> D["<a href='/classifications/hs/v2022/290311'>290311: Saturated chlorinated derivatives of acyclic hydrocarbons; chloromethane (methyl chloride) and chloroethane (ethyl chloride)</a>"]
B --> E["<a href='/classifications/hs/v2022/290312'>290312: Saturated chlorinated derivatives of acyclic hydrocarbons; dichloromethane (methylene chloride)</a>"]
B --> F["<a href='/classifications/hs/v2022/290313'>290313: Saturated chlorinated derivatives of acyclic hydrocarbons; chloroform (trichloromethane)</a>"]
B --> G["<a href='/classifications/hs/v2022/290314'>290314: Saturated chlorinated derivatives of acyclic hydrocarbons; carbon tetrachloride</a>"]
B --> H["<a href='/classifications/hs/v2022/290315'>290315: Saturated chlorinated derivatives of acyclic hydrocarbons; ethylene dichloride (ISO) (1,2-dichloroethane)</a>"]
B --> I["<a href='/classifications/hs/v2022/290319'>290319: Saturated chlorinated derivatives of acyclic hydrocarbons; n.e.c. in item no. 2903.1</a>"]
B --> J["<a href='/classifications/hs/v2022/290321'>290321: Unsaturated chlorinated derivatives of acyclic hydrocarbons; vinyl chloride (chloroethylene)</a>"]
B --> K["<a href='/classifications/hs/v2022/290322'>290322: Unsaturated chlorinated derivatives of acyclic hydrocarbons; trichloroethylene</a>"]
B --> L["<a href='/classifications/hs/v2022/290323'>290323: Unsaturated chlorinated derivatives of acyclic hydrocarbons; tetrachloroethylene (perchloroethylene)</a>"]
B --> M["<a href='/classifications/hs/v2022/290329'>290329: Unsaturated chlorinated derivatives of acyclic hydrocarbons; n.e.c. in item no. 2903.2</a>"]
B --> N["<a href='/classifications/hs/v2022/290341'>290341: Saturated fluorinated derivatives of acyclic hydrocarbons; trifluoromethane (HFC-23)</a>"]
B --> O["<a href='/classifications/hs/v2022/290342'>290342: Saturated fluorinated derivatives of acyclic hydrocarbons; difluoromethane (HFC-32)</a>"]
B --> P["<a href='/classifications/hs/v2022/290343'>290343: Saturated fluorinated derivatives of acyclic hydrocarbons; fluoromethane (HFC-41), 1,2-difluoroethane (HFC-152) and 1,1-difluoroethane (HFC-152a)</a>"]
B --> Q["<a href='/classifications/hs/v2022/290344'>290344: Saturated fluorinated derivatives of acyclic hydrocarbons; pentafluoroethane (HFC-125), 1,1,1-trifluoroethane (HFC-143a) and 1,1,2-trifluoroethane (HFC-143)</a>"]
B --> R["<a href='/classifications/hs/v2022/290345'>290345: Saturated fluorinated derivatives of acyclic hydrocarbons; 1,1,1,2-tetrafluoroethane (HFC-134a) and 1,1,2,2-tetrafluoroethane (HFC-134)</a>"]
B --> S["<a href='/classifications/hs/v2022/290346'>290346: Saturated fluorinated derivatives of acyclic hydrocarbons; 1,1,1,2,3,3,3-heptafluoropropane (HFC-227ea), 1,1,1,2,2,3-hexafluoropropane (HFC-236cb), 1,1,1,2,3,3-hexafluoropropane (HFC-236ea) and 1,1,1,3,3,3-hexafluoropropane (HFC-236fa)</a>"]
B --> T["<a href='/classifications/hs/v2022/290347'>290347: Saturated fluorinated derivatives of acyclic hydrocarbons; 1,1,1,3,3-pentafluoropropane (HFC-245fa) and 1,1,2,2,3-pentafluoropropane (HFC-245ca)</a>"]
B --> U["<a href='/classifications/hs/v2022/290348'>290348: Saturated fluorinated derivatives of acyclic hydrocarbons; 1,1,1,3,3-pentafluorobutane (HFC-365mfc) and 1,1,1,2,2,3,4,5,5,5-decafluoropentane (HFC-43-10mee)</a>"]
B --> V["<a href='/classifications/hs/v2022/290349'>290349: Saturated fluorinated derivatives of acyclic hydrocarbons; n.e.c. in item no 2903.4</a>"]
B --> W["<a href='/classifications/hs/v2022/290351'>290351: Unsaturated fluorinated derivatives of acyclic hydrocarbons; 2,3,3,3-tetrafluoropropene (HFO-1234yf), 1,3,3,3-tetrafluoropropene (HFO-1234ze) and (Z)-1,1,1,4,4,4-hexafluoro-2-butene (HFO-1336mzz)</a>"]
B --> X["<a href='/classifications/hs/v2022/290359'>290359: Unsaturated fluorinated derivatives of acyclic hydrocarbons; n.e.c. in item no. 2903.5</a>"]
B --> Y["<a href='/classifications/hs/v2022/290361'>290361: Brominated or iodinated derivatives of acyclic hydrocarbons; methyl bromide (bromomethane)</a>"]
B --> Z["<a href='/classifications/hs/v2022/290362'>290362: Brominated or iodinated derivatives of acyclic hydrocarbons; ethylene dibromide (ISO) (1,2-dibromoethane)</a>"]
B --> BA["<a href='/classifications/hs/v2022/290369'>290369: Brominated or iodinated derivatives of acyclic hydrocarbons; n.e.c. in item no. 2903.6</a>"]
B --> BB["<a href='/classifications/hs/v2022/290372'>290372: Halogenated derivatives of acyclic hydrocarbons containing two or more different halogens; dichlorotrifluoroethane (HCFC-123)</a>"]
B --> BC["<a href='/classifications/hs/v2022/290373'>290373: Halogenated derivatives of acyclic hydrocarbons containing two or more different halogens; dichlorofluoroethanes (HCFC-141, 141b)</a>"]
B --> BD["<a href='/classifications/hs/v2022/290374'>290374: Halogenated derivatives of acyclic hydrocarbons containing two or more different halogens; chlorodifluoroethanes HCFC-142, 142b)</a>"]
B --> BE["<a href='/classifications/hs/v2022/290375'>290375: Halogenated derivatives of acyclic hydrocarbons containing two or more different halogens; dichloropentafluoropropanes (HCFC-225, 225ca, 225cb)</a>"]
B --> BF["<a href='/classifications/hs/v2022/290376'>290376: Halogenated derivatives of acyclic hydrocarbons containing two or more different halogens; bromochlorodifluoromethane (Halon-1211), bromotrifluoromethane (Halon-1301), and dibromotetrafluoroethanes (Halon-2402)</a>"]
B --> BG["<a href='/classifications/hs/v2022/290377'>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 --> BH["<a href='/classifications/hs/v2022/290378'>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 --> BI["<a href='/classifications/hs/v2022/290379'>290379: Halogenated derivatives of acyclic hydrocarbons containing two or more different halogens; n.e.c. in item no. 2903.7</a>"]
B --> BJ["<a href='/classifications/hs/v2022/290381'>290381: Halogenated derivatives of cyclanic, cyclenic or cycloterpenic hydrocarbons; 1,2,3,4,5,6-Hexachlorocyclohexane (HCH (ISO)), including lindane (ISO, INN)</a>"]
B --> BK["<a href='/classifications/hs/v2022/290382'>290382: Halogenated derivatives of cyclanic, cyclenic or cycloterpenic hydrocarbons; aldrin (ISO), chlordane (ISO), and heptachlor (ISO)</a>"]
B --> BL["<a href='/classifications/hs/v2022/290383'>290383: Halogenated derivatives of cyclanic, cyclenic or cycloterpenic hydrocarbons; mirex (ISO)</a>"]
B --> BM["<a href='/classifications/hs/v2022/290389'>290389: Halogenated derivatives of cyclanic, cyclenic or cycloterpenic hydrocarbons; n.e.c. in item no. 2903.8</a>"]
B --> BN["<a href='/classifications/hs/v2022/290391'>290391: Halogenated derivatives of aromatic hydrocarbons; chlorobenzene, o-dichlorobenzene, and p-dichlorobenzene</a>"]
B --> BO["<a href='/classifications/hs/v2022/290392'>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 --> BP["<a href='/classifications/hs/v2022/290393'>290393: Halogenated derivatives of aromatic hydrocarbons; pentachlorobenzene (ISO)</a>"]
B --> BQ["<a href='/classifications/hs/v2022/290394'>290394: Halogenated derivatives of aromatic hydrocarbons; hexabromobiphenyls</a>"]
B --> BR["<a href='/classifications/hs/v2022/290399'>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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class L level6
class M level6
class N level6
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class Z level6
class BA level6
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class BE level6
class BF level6
class BG level6
class BH level6
class BI level6
class BJ level6
class BK level6
class BL level6
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class BO level6
class BP level6
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