Inorganic acids; other than hydrogen fluoride

HS v2022 Code: 281119

About inorganic acids; other than hydrogen fluoride

HS code 281119 covers a range of inorganic acids, excluding hydrogen fluoride. These acids play a crucial role in various industrial processes, serving as essential raw materials and catalysts. They are widely used in the production of chemicals, pharmaceuticals, and other specialized products, making them an integral part of the global chemical industry. Understanding the characteristics and applications of these inorganic acids is crucial for businesses involved in the import, export, and trade of these essential commodities.

Production process

The production of inorganic acids covered under HS code 281119 typically involves a combination of chemical synthesis and purification processes. Common techniques include the oxidation of elemental substances, the reaction of metals with acids, and the decomposition of mineral salts. The specific production methods may vary depending on the type of acid being manufactured, but they generally aim to achieve high purity and consistent quality to meet the demands of various end-users.

Production inputs

The main inputs required for the production of inorganic acids under HS code 281119 include a range of raw materials, such as 280110 Hydrogen, 280200 Sulfur, 280430 Nitrogen, and various mineral salts. Additionally, specialized equipment and machinery, such as reactors, distillation columns, and filtration systems, are necessary to facilitate the chemical processes and ensure the desired quality of the final products.

Production outputs

The inorganic acids produced under HS code 281119 have a wide range of applications across various industries. These acids are commonly used as 281511 (Sodium hydroxide (caustic soda)), 281512 (Potassium hydroxide (caustic potash)), and 281610 Hydroxide and peroxide of magnesium, as well as in the production of 282010 Hydrogen peroxide, 282090 Phosphoric acid and polyphosphoric acids, and 282200 Aluminum hydroxide. The diverse applications of these inorganic acids make them an essential component in the global supply chain for a wide range of industrial and commercial products.

Revisions to 281119

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 281119. The most recent 1 version of this code (281119) is in the HS v2022 system (this version):

This page shows the most recent version of code 281119.

Family tree for inorganic acids; other than hydrogen fluoride

    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/v2022/2811'>2811: Inorganic acids and other inorganic oxygen compounds of non-metals; n.e.c. in heading no. 2806 to 2810</a>"]
B --> C["<a href='/classifications/hs/v2022/281119'>281119: Inorganic acids; other than hydrogen fluoride</a>"]

    B --> D["<a href='/classifications/hs/v2022/281111'>281111: Hydrogen fluoride (hydrofluoric acid)</a>"]
B --> E["<a href='/classifications/hs/v2022/281112'>281112: Hydrogen cyanide (hydrocyanic acid)</a>"]
B --> F["<a href='/classifications/hs/v2022/281121'>281121: Carbon dioxide</a>"]
B --> G["<a href='/classifications/hs/v2022/281122'>281122: Silicon dioxide</a>"]
B --> H["<a href='/classifications/hs/v2022/281129'>281129: Inorganic oxygen compounds; of non-metals, n.e.c. in item no. 2811.2</a>"]

    

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