-- Hydroquinone (quinol) and its salts

HS v2007 Code: 290722

Revisions to 290722

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 290722. The most recent 1 version of this code (290722) is in the HS v2022 system:

This page shows a legacy version of code 290722 ( HS v2007).

Family tree for -- hydroquinone (quinol) and its salts

    graph LR
    A["<a href='/classifications/hs/v2007/29'>29: Organic chemicals</a>"]
A --> B["<a href='/classifications/hs/v2007/2907'>2907: Phenols; phenol-alcohols.</a>"]
B --> C["<a href='/classifications/hs/v2007/290722'>290722: --  Hydroquinone (quinol) and its salts</a>"]

    B --> D["<a href='/classifications/hs/v2007/290711'>290711: --  Phenol (hydroxybenzene) and its salts</a>"]
B --> E["<a href='/classifications/hs/v2007/290712'>290712: --  Cresols and their salts</a>"]
B --> F["<a href='/classifications/hs/v2007/290713'>290713: --  Octylphenol, nonylphenol and their isomers; salts thereof</a>"]
B --> G["<a href='/classifications/hs/v2007/290715'>290715: --  Naphthols and their salts</a>"]
B --> H["<a href='/classifications/hs/v2007/290719'>290719: --  Other</a>"]
B --> I["<a href='/classifications/hs/v2007/290721'>290721: --  Resorcinol and its salts</a>"]
B --> J["<a href='/classifications/hs/v2007/290723'>290723: --  4,4'-Isopropylidenediphenol (bisphenol A, diphenylolpropane) and its salts</a>"]
B --> K["<a href='/classifications/hs/v2007/290729'>290729: --  Other</a>"]

    

    %% Color coordination by level

    classDef level1 color:#000,fill:#a8f9ff,stroke:#333,stroke-width:2px
    classDef level2 color:#000,fill:#e0a458,stroke:#333,stroke-width:1px
    classDef level3 color:#000,fill:#419d78,stroke:#333,stroke-width:1px
    classDef level4 color:#000,fill:#c04abc,stroke:#333,stroke-width:1px
    classDef level5 color:#000,fill:#f1c40f,stroke:#333,stroke-width:1px
    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 C highlight

  %% class A level1
  %% class B,C level2
  %% class D,E,F,G,H,I level2
  %% class J,K,L,M,N,O,P level3
  %% class C highlight