Selenium

HS v2022 Code: 280490

About selenium

HS code 280490 covers the element selenium, a naturally occurring metalloid that is essential for various industrial and agricultural applications. Selenium plays a crucial role in the production of electronics, glass, and pharmaceuticals, making it a vital component in the global economy. Its unique properties, such as its ability to convert light into electricity, have made it an indispensable material in the renewable energy sector.

Production process

Selenium is primarily extracted from copper refinery anode slimes, a byproduct of copper production. The extraction process involves a series of chemical reactions and purification steps to isolate the pure element. Selenium can also be produced through the processing of certain mineral deposits, where it is found in association with other elements.

Production inputs

The production of selenium requires access to copper refinery anode slimes or selenium-bearing mineral deposits as the primary raw material. Additionally, the process may involve the use of various chemicals, specialized equipment, and energy sources to facilitate the extraction and purification of the element.

Production outputs

Refined selenium is used in a wide range of applications, including the manufacture of 854110 photovoltaic cells, 852990 electronic components, 701939 specialized glass, and 300490 pharmaceutical products. The output of this industry is an essential input for numerous other industries, contributing to the development of various technologies and the growth of the global economy.

Revisions to 280490

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 280490. The most recent 1 version of this code (280490) is in the HS v2022 system (this version):

This page shows the most recent version of code 280490.

Older versions

Family tree for selenium

    graph LR
    A["<a href='/classifications/hs/v2022/28'>28: Inorganic chemicals; organic and inorganic compounds of precious metals; of rare earth metals, of radio-active elements and of isotopes</a>"]
A --> B["<a href='/classifications/hs/v2022/2804'>2804: Hydrogen, rare gases and other non-metals</a>"]
B --> C["<a href='/classifications/hs/v2022/280490'>280490: Selenium</a>"]

    B --> D["<a href='/classifications/hs/v2022/280410'>280410: Hydrogen</a>"]
B --> E["<a href='/classifications/hs/v2022/280421'>280421: Gases, rare; argon</a>"]
B --> F["<a href='/classifications/hs/v2022/280429'>280429: Gases, rare; other than argon</a>"]
B --> G["<a href='/classifications/hs/v2022/280430'>280430: Nitrogen</a>"]
B --> H["<a href='/classifications/hs/v2022/280440'>280440: Oxygen</a>"]
B --> I["<a href='/classifications/hs/v2022/280450'>280450: Boron; tellurium</a>"]
B --> J["<a href='/classifications/hs/v2022/280461'>280461: Silicon; containing by weight not less than 99.99% of silicon</a>"]
B --> K["<a href='/classifications/hs/v2022/280469'>280469: Silicon; containing by weight less than 99.99% of silicon</a>"]
B --> L["<a href='/classifications/hs/v2022/280470'>280470: Phosphorus</a>"]
B --> M["<a href='/classifications/hs/v2022/280480'>280480: Arsenic</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 L level6
class M 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