Unsaturated chlorinated derivatives of acyclic hydrocarbons; tetrachloroethylene (perchloroethylene)

HS v2022 Code: 290323

About unsaturated chlorinated derivatives of acyclic hydrocarbons; tetrachloroethylene (perchloroethylene)

HS code 290323 covers the classification of unsaturated chlorinated derivatives of acyclic hydrocarbons, including the widely used industrial solvent tetrachloroethylene, also known as perchloroethylene. This chemical compound plays a crucial role in various industries, from dry cleaning to metal degreasing, making it an important component of the global chemical supply chain.

Production process

Tetrachloroethylene and other unsaturated chlorinated derivatives are typically produced through the chlorination of ethylene or other acyclic hydrocarbons. The process involves a series of chemical reactions, including the addition of chlorine atoms to the hydrocarbon molecules, followed by purification and distillation steps to obtain the desired product.

Production inputs

The main inputs required for the production of HS code 290323 products include ethylene or other acyclic hydrocarbon feedstocks, chlorine gas, and various catalysts and solvents used in the chemical synthesis and purification processes. Specialized equipment, such as reactors, distillation columns, and storage tanks, are also essential for the manufacturing of these chemicals.

Production outputs

The primary output of HS code 290323 is tetrachloroethylene, which is widely used as a solvent in dry cleaning, metal degreasing, and various industrial applications. Other unsaturated chlorinated derivatives produced under this code may be used as intermediates in the synthesis of other chemicals, such as 290321 Vinyl chloride and 290322 Trichloroethylene.

Revisions to 290323

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 290323. The most recent 1 version of this code (290323) is in the HS v2022 system (this version):

This page shows the most recent version of code 290323.

Family tree for unsaturated chlorinated derivatives of acyclic hydrocarbons; tetrachloroethylene (perchloroethylene)

    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/v2022/290323'>290323: Unsaturated chlorinated derivatives of acyclic hydrocarbons; tetrachloroethylene (perchloroethylene)</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/v2022/290329'>290329: Unsaturated chlorinated derivatives of acyclic hydrocarbons; n.e.c. in item no. 2903.2</a>"]
B --> M["<a href='/classifications/hs/v2022/290341'>290341: Saturated fluorinated derivatives of acyclic hydrocarbons; trifluoromethane (HFC-23)</a>"]
B --> N["<a href='/classifications/hs/v2022/290342'>290342: Saturated fluorinated derivatives of acyclic hydrocarbons; difluoromethane (HFC-32)</a>"]
B --> O["<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 --> P["<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 --> Q["<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 --> R["<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 --> S["<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 --> T["<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 --> U["<a href='/classifications/hs/v2022/290349'>290349: Saturated fluorinated derivatives of acyclic hydrocarbons; n.e.c. in item no 2903.4</a>"]
B --> V["<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 --> W["<a href='/classifications/hs/v2022/290359'>290359: Unsaturated fluorinated derivatives of acyclic hydrocarbons; n.e.c. in item no. 2903.5</a>"]
B --> X["<a href='/classifications/hs/v2022/290361'>290361: Brominated or iodinated derivatives of acyclic hydrocarbons; methyl bromide (bromomethane)</a>"]
B --> Y["<a href='/classifications/hs/v2022/290362'>290362: Brominated or iodinated derivatives of acyclic hydrocarbons; ethylene dibromide (ISO) (1,2-dibromoethane)</a>"]
B --> Z["<a href='/classifications/hs/v2022/290369'>290369: Brominated or iodinated derivatives of acyclic hydrocarbons; n.e.c. in item no. 2903.6</a>"]
B --> BA["<a href='/classifications/hs/v2022/290371'>290371: Halogenated derivatives of acyclic hydrocarbons containing two or more different halogens; chlorodifluoromethane (HCFC-22)</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>"]

    

    %% 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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