Complex cyanides

HS v2022 Code: 283720

About complex cyanides

HS code 283720 covers complex cyanides, which are a class of chemical compounds that play a vital role in various industrial processes. These compounds are essential for the production of a wide range of products, from metal plating and electroplating to the manufacture of pharmaceuticals and agricultural chemicals. As a key component in many supply chains, the complex cyanides industry is an integral part of the broader chemical and manufacturing sectors, contributing to the overall economic growth and development.

Production process

The production of complex cyanides typically involves the reaction of a metal salt with a cyanide compound, such as sodium cyanide or potassium cyanide. This process is carefully controlled to ensure the desired chemical composition and purity of the final product. Advanced techniques, such as crystallization, filtration, and drying, are often employed to refine the complex cyanides and meet the stringent quality standards required by various industries.

Production inputs

The main inputs for the production of complex cyanides include metal salts, cyanide compounds, and various chemical reagents. Specialized equipment, such as reaction vessels, filtration systems, and drying equipment, are also essential for the manufacturing process. Additionally, the industry relies on a skilled workforce with expertise in chemical engineering, process control, and quality assurance.

Production outputs

The complex cyanides produced under HS code 283720 are widely used as intermediates in the production of a diverse range of products. These compounds find applications in 284210 Metal surface treatment products, 284290 Other chemical products, and 300490 Other medicaments, among others. The outputs of this industry contribute to the development and improvement of various industries, ultimately supporting economic growth and technological advancement.

Revisions to 283720

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 283720. The most recent 1 version of this code (283720) is in the HS v2022 system (this version):

This page shows the most recent version of code 283720.

Older versions

Family tree for complex cyanides

    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/v2022/2837'>2837: Cyanides, cyanide oxides and complex cyanides</a>"]
B --> C["<a href='/classifications/hs/v2022/283720'>283720: Complex cyanides</a>"]

    B --> D["<a href='/classifications/hs/v2022/283711'>283711: Cyanides and cyanide oxides; of sodium</a>"]
B --> E["<a href='/classifications/hs/v2022/283719'>283719: Cyanides and cyanide oxides; other than of sodium</a>"]

    

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    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
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class B level4
class C level6
class D level6
class E level6

  class C highlight

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