Inorganic acids; other than hydrogen fluoride

HS v2017 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 intermediates for the production of a wide array of chemical products. They are widely used in sectors such as pharmaceuticals, agrochemicals, textiles, and metal processing, making them a vital component of the global chemical industry.

Production process

The production of inorganic acids under HS code 281119 typically involves a combination of chemical synthesis and purification techniques. Common methods include the reaction of various mineral compounds with water or other reagents, followed by distillation, filtration, and crystallization to obtain the desired acid in a pure form. The specific production techniques may vary depending on the type of acid being manufactured.

Production inputs

The main inputs required for the production of inorganic acids under HS code 281119 include various mineral resources, such as sulfur, phosphorus, and nitrogen compounds, as well as energy sources and specialized equipment. Depending on the type of acid, the production process may also require the use of catalysts, solvents, and other auxiliary materials. Efficient and sustainable sourcing of these inputs is crucial for the industry's competitiveness and environmental impact.

Production outputs

The inorganic acids produced under HS code 281119 serve as essential inputs for a wide range of downstream industries. These acids are used in the manufacture of 280800 Sulphuric acid; oleum, 280920 Phosphoric acid and polyphosphoric acids, and 281510 (Sodium hydroxide (caustic soda); solid), among other chemical products. They are also utilized in the production of pharmaceuticals, agrochemicals, textiles, and various industrial cleaning and etching applications.

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 page shows a legacy version of code 281119 ( HS v2017).

Newer versions
Older versions

Family tree for inorganic acids; other than hydrogen fluoride

    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/v2017/2811'>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/v2017/281119'>281119: Inorganic acids; other than hydrogen fluoride</a>"]

    B --> D["<a href='/classifications/hs/v2017/281111'>281111: Hydrogen fluoride (hydrofluoric acid)</a>"]
B --> E["<a href='/classifications/hs/v2017/281112'>281112: Hydrogen cyanide (hydrocyanic acid)</a>"]
B --> F["<a href='/classifications/hs/v2017/281121'>281121: Carbon dioxide</a>"]
B --> G["<a href='/classifications/hs/v2017/281122'>281122: Silicon dioxide</a>"]
B --> H["<a href='/classifications/hs/v2017/281129'>281129: Inorganic oxygen compounds; of non-metals, n.e.c. in item no. 2811.2</a>"]

    

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