Salts; chromates, dichromates, peroxochromates; n.e.c. in heading no. 2841

HS v2017 Code: 284150

About salts; chromates, dichromates, peroxochromates; n.e.c. in heading no. 2841

HS code 284150 covers a range of inorganic chemical compounds known as chromates, dichromates, and peroxochromates. These salts are widely used in various industrial applications, including pigments, corrosion inhibitors, oxidizing agents, and chemical reagents. The production and trade of these compounds play a significant role in the global chemical industry, supporting a diverse range of downstream sectors such as manufacturing, construction, and environmental remediation.

Production process

The production of chromates, dichromates, and peroxochromates typically involves chemical reactions between chromium compounds and other inorganic substances. Common methods include the oxidation of chromium ores, the reaction of chromium salts with alkali metals or alkaline earth metals, and the electrolysis of chromium-containing solutions. The specific production techniques can vary depending on the desired end product and its purity requirements.

Production inputs

The main inputs for the production of HS code 284150 compounds include chromium-containing raw materials, such as chromite ore, as well as various alkali and alkaline earth metal compounds. Additionally, the production process may require energy sources, water, and specialized equipment like reactors, filtration systems, and drying units.

Production outputs

The primary outputs of HS code 284150 are various chromate, dichromate, and peroxochromate salts, which can be used in a wide range of applications. These compounds may be further processed or incorporated into other products, such as 282490 Inorganic chemical products, n.e.c., 284190 Salts of oxometallic or peroxometallic acids, n.e.c., and 321210 Pigments and preparations based on chromium compounds.

Revisions to 284150

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 284150. The most recent 1 version of this code (284150) is in the HS v2022 system:

This page shows a legacy version of code 284150 ( HS v2017).

Family tree for salts; chromates, dichromates, peroxochromates; n.e.c. in heading no. 2841

    graph LR
    A["<a href='/classifications/hs/v2017/28'>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/v2017/2841'>2841: Salts of oxometallic or peroxometallic acids</a>"]
B --> C["<a href='/classifications/hs/v2017/284150'>284150: Salts; chromates, dichromates, peroxochromates; n.e.c. in heading no. 2841</a>"]

    B --> D["<a href='/classifications/hs/v2017/284130'>284130: Salts; sodium dichromate</a>"]
B --> E["<a href='/classifications/hs/v2017/284161'>284161: Salts; of oxometallic or peroxometallic acids, manganites, manganates and permanganates, potassium permanganate</a>"]
B --> F["<a href='/classifications/hs/v2017/284169'>284169: Salts; of oxometallic or peroxometallic acids, manganites, manganates and permanganates, other than potassium permanganate</a>"]
B --> G["<a href='/classifications/hs/v2017/284170'>284170: Salts; molybdates</a>"]
B --> H["<a href='/classifications/hs/v2017/284180'>284180: Salts; tungstates (wolframates)</a>"]
B --> I["<a href='/classifications/hs/v2017/284190'>284190: Salts of oxometallic or peroxometallic acids; n.e.c. in heading no. 2841</a>"]

    

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