Other inorganic oxygen compounds of non-metals : -- Silicon dioxide

HS v1996 Code: 281122

Revisions to 281122

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 281122. The most recent 1 version of this code (281122) is in the HS v2022 system:

This page shows a legacy version of code 281122 ( HS v1996).

Family tree for other inorganic oxygen compounds of non-metals : -- silicon dioxide

    graph LR
    A["<a href='/classifications/hs/v1996/28'>28: Inorgn chem; compds of prec mtl,  radioact elements etc</a>"]
A --> B["<a href='/classifications/hs/v1996/2811'>2811: Other inorganic acids and other inorganic oxygen compounds of non-metals.</a>"]
B --> C["<a href='/classifications/hs/v1996/281122'>281122: Other inorganic oxygen compounds of non-metals : -- Silicon dioxide</a>"]

    B --> D["<a href='/classifications/hs/v1996/281111'>281111: Other inorganic acids :-- Hydrogen fluoride (hydrofluoric acid)</a>"]
B --> E["<a href='/classifications/hs/v1996/281119'>281119: Other inorganic acids :-- Other</a>"]
B --> F["<a href='/classifications/hs/v1996/281121'>281121: Other inorganic oxygen compounds of non-metals : -- Carbon dioxide</a>"]
B --> G["<a href='/classifications/hs/v1996/281123'>281123: Other inorganic oxygen compounds of non-metals : -- Sulphur dioxide</a>"]
B --> H["<a href='/classifications/hs/v1996/281129'>281129: Other inorganic oxygen compounds of non-metals : -- 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 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