Halogenated derivatives of acyclic hydrocarbons containing two or more different halogens; dichlorofluoroethanes (HCFC-141, 141b)

HS v2022 Code: 290373

About halogenated derivatives of acyclic hydrocarbons containing two or more different halogens; dichlorofluoroethanes (hcfc-141, 141b)

HS code 290373 covers a range of halogenated derivatives of acyclic hydrocarbons, including the important class of dichlorofluoroethanes (HCFC-141, 141b). These compounds play a significant role in various industrial and commercial applications, making them an integral part of the broader chemical industry. Their versatility and unique properties have made them indispensable in sectors such as refrigeration, air conditioning, and as intermediates for the production of other chemicals.

Production process

The production of the compounds covered under HS code 290373 typically involves a multi-step process. The starting point is the halogenation of acyclic hydrocarbons, often using chlorine or fluorine as the halogenating agents. This is followed by a series of purification and separation steps to isolate the desired halogenated derivatives. The specific production techniques may vary depending on the target compound, but generally involve a combination of chemical reactions, distillation, and other separation methods.

Production inputs

The main inputs required for the production of the compounds under HS code 290373 include acyclic hydrocarbon feedstocks, such as ethane, propane, or butane, as well as halogenating agents like chlorine and fluorine. Additionally, the process may require specialized equipment, such as reactors, distillation columns, and purification systems, as well as utilities like electricity, steam, and cooling water.

Production outputs

The primary outputs of the industry covered by HS code 290373 are the various halogenated derivatives of acyclic hydrocarbons, including dichlorofluoroethanes (HCFC-141, 141b). These compounds find widespread use as refrigerants, propellants, and chemical intermediates. The outputs of this industry may be consumed by other industries, such as 382112 Refrigeration and air conditioning equipment, 330610 Preparations for oral or dental hygiene, and 201110 Petrochemicals, among others.

Revisions to 290373

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 290373. The most recent 1 version of this code (290373) is in the HS v2022 system (this version):

This page shows the most recent version of code 290373.

Family tree for halogenated derivatives of acyclic hydrocarbons containing two or more different halogens; dichlorofluoroethanes (hcfc-141, 141b)

    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/v2022/290373'>290373: Halogenated derivatives of acyclic hydrocarbons containing two or more different halogens; dichlorofluoroethanes (HCFC-141, 141b)</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/v2022/290371'>290371: Halogenated derivatives of acyclic hydrocarbons containing two or more different halogens; chlorodifluoromethane (HCFC-22)</a>"]
B --> BC["<a href='/classifications/hs/v2022/290372'>290372: Halogenated derivatives of acyclic hydrocarbons containing two or more different halogens; dichlorotrifluoroethane (HCFC-123)</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>"]

    

    %% Color coordination by level

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    classDef level6 color:#000,fill:#f1c40f,stroke:#333,stroke-width:1px
    classDef highlight color:#000,fill:#fff,stroke:#000,stroke-width:5px



  %% Apply classes
  class A level2
class B level4
class C level6
class D level6
class E level6
class F level6
class G level6
class H level6
class I level6
class J level6
class K level6
class L level6
class M level6
class N level6
class O level6
class P level6
class Q level6
class R level6
class S level6
class T level6
class U level6
class V level6
class W level6
class X level6
class Y level6
class Z level6
class BA level6
class BB level6
class BC level6
class BD level6
class BE level6
class BF level6
class BG level6
class BH level6
class BI level6
class BJ level6
class BK level6
class BL level6
class BM level6
class BN level6
class BO level6
class BP level6
class BQ level6
class BR level6

  class C highlight

  %% class A level1
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  %% class J,K,L,M,N,O,P level3
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