Nitrile-function compounds; 1-cyanoguanidine (dicyandiamide)

HS v2022 Code: 292620

About nitrile-function compounds; 1-cyanoguanidine (dicyandiamide)

HS code 292620 covers nitrile-function compounds, including the important chemical 1-cyanoguanidine, also known as dicyandiamide. This class of organic compounds plays a vital role in various industries, from pharmaceuticals and agrochemicals to specialty chemicals and polymers. As a key building block, nitrile-function compounds are essential for the production of a wide range of essential products that support the global economy.

Production process

The production of nitrile-function compounds typically involves the reaction of organic compounds containing a nitrile group (-C≡N) with other reactants. Common methods include the addition of hydrogen cyanide to alkenes, the dehydration of amides, and the reaction of ammonia with carbon disulfide. For the specific compound 1-cyanoguanidine, the most common production technique is the reaction of cyanamide with guanidine.

Production inputs

The main inputs required for the production of nitrile-function compounds include organic precursors such as alkenes, amides, and cyanamide, as well as various reagents and catalysts. Specialized equipment, such as reactors, distillation columns, and purification systems, are also necessary to ensure the efficient and high-quality production of these chemicals. Additionally, access to a reliable supply of energy and utilities, such as water and steam, is crucial for the manufacturing process.

Production outputs

The outputs of HS code 292620 include a wide range of nitrile-function compounds, which are then used as intermediates or building blocks in the production of various downstream products. These may include 292690 Nitrile-function compounds, n.e.c., 293090 (Heterocyclic compounds with nitrogen hetero-atom(s) only, n.e.c.), and 390950 Polyurethanes, in primary forms, among others. The versatility of nitrile-function compounds makes them valuable in the pharmaceutical, agrochemical, and specialty chemical industries.

Revisions to 292620

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 292620. The most recent 1 version of this code (292620) is in the HS v2022 system (this version):

This page shows the most recent version of code 292620.

Family tree for nitrile-function compounds; 1-cyanoguanidine (dicyandiamide)

    graph LR
    A["<a href='/classifications/hs/v2022/29'>29: Organic chemicals</a>"]
A --> B["<a href='/classifications/hs/v2022/2926'>2926: Nitrile-function compounds</a>"]
B --> C["<a href='/classifications/hs/v2022/292620'>292620: Nitrile-function compounds; 1-cyanoguanidine (dicyandiamide)</a>"]

    B --> D["<a href='/classifications/hs/v2022/292610'>292610: Nitrile-function compounds; acrylonitrile</a>"]
B --> E["<a href='/classifications/hs/v2022/292630'>292630: Nitrile-function compounds; fenproporex (INN) and its salts; methadone (INN) intermediate (4-cyano-2-dimethylamino-4,4-diphenylbutane)</a>"]
B --> F["<a href='/classifications/hs/v2022/292640'>292640: Nitrile-function compounds; alpha-phenylacetoacetonitrile</a>"]
B --> G["<a href='/classifications/hs/v2022/292690'>292690: Nitrile-function compounds; n.e.c. heading no. 2926</a>"]

    

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