Esters; phosphite esters and their salts; their halogenated, sulphonated, nitrated or nitrosated derivatives, diethyl phosphite

HS v2017 Code: 292022

About esters; phosphite esters and their salts; their halogenated, sulphonated, nitrated or nitrosated derivatives, diethyl phosphite

HS code 292022 covers a range of organic chemical compounds known as esters, phosphite esters, and their derivatives. These substances play a crucial role in various industries, including pharmaceuticals, agrochemicals, and specialty chemicals. As an important part of the broader organic chemicals sector, this code represents a significant segment of international trade and economic activity.

Production process

The production of the chemicals covered under HS code 292022 typically involves a multi-step synthesis process. This often begins with the reaction of alcohols or phosphites with various acids or other reagents to form the desired esters or phosphite esters. Subsequent steps may involve halogenation, sulfonation, nitration, or other modifications to create the final derivatives. Advanced purification techniques, such as distillation or crystallization, are commonly employed to ensure the purity and quality of the final products.

Production inputs

The main inputs required for the production of the chemicals under HS code 292022 include a range of alcohols, phosphites, acids, and other organic compounds. Specialized catalysts, solvents, and processing equipment are also essential for the synthesis and purification of these materials. Additionally, the industry relies on a skilled workforce with expertise in organic chemistry and chemical engineering.

Production outputs

The chemicals produced under HS code 292022 find applications in a variety of industries. Esters and phosphite esters are used as intermediates in the production of pharmaceuticals, agrochemicals, and specialty chemicals. These compounds may also be further processed or combined with other materials to create a wide range of end-products, such as 292021 (Esters of other inorganic acids (excluding esters of hydrogen halides) and their salts; their halogenated, sulphonated, nitrated or nitrosated derivatives), 291900 Phosphoric esters and their salts, including lactophosphates; their halogenated, sulphonated, nitrated or nitrosated derivatives, and 293100 Organo-sulphur compounds, among others.

Revisions to 292022

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 292022. The most recent 1 version of this code (292022) is in the HS v2022 system:

This page shows a legacy version of code 292022 ( HS v2017).

Older versions

Family tree for esters; phosphite esters and their salts; their halogenated, sulphonated, nitrated or nitrosated derivatives, diethyl phosphite

    graph LR
    A["<a href='/classifications/hs/v2017/29'>29: Organic chemicals</a>"]
A --> B["<a href='/classifications/hs/v2017/2920'>2920: Esters of other inorganic acids of non-metals (other than of hydrogen halides) and their salts, their halogenated, sulphonated, nitrated or nitrosated derivatives</a>"]
B --> C["<a href='/classifications/hs/v2017/292022'>292022: Esters; phosphite esters and their salts; their halogenated, sulphonated, nitrated or nitrosated derivatives, diethyl phosphite</a>"]

    B --> D["<a href='/classifications/hs/v2017/292011'>292011: Esters; thiophosphoric esters (phosphorothioates) and their salts, their halogenated, sulphonated, nitrated or nitrosated derivatives, parathion (ISO) and parathion-methyl (ISO) (methyl-parathion)</a>"]
B --> E["<a href='/classifications/hs/v2017/292019'>292019: Esters; thiophosphoric esters (phosphorothioates) and their salts; other than parathion (ISO) and parathion-methyl (ISO) (methyl-parathion)</a>"]
B --> F["<a href='/classifications/hs/v2017/292021'>292021: Esters; phosphite esters and their salts; their halogenated, sulphonated, nitrated or nitrosated derivatives, dimethyl phosphite</a>"]
B --> G["<a href='/classifications/hs/v2017/292023'>292023: Esters; phosphite esters and their salts; their halogenated, sulphonated, nitrated or nitrosated derivatives, trimethyl phosphite</a>"]
B --> H["<a href='/classifications/hs/v2017/292024'>292024: Esters; phosphite esters and their salts; their halogenated, sulphonated, nitrated or nitrosated derivatives, triethyl phosphite</a>"]
B --> I["<a href='/classifications/hs/v2017/292029'>292029: Esters; phosphite esters and their salts; their halogenated, sulphonated, nitrated or nitrosated derivatives, n.e.c. in heading no. 2920</a>"]
B --> J["<a href='/classifications/hs/v2017/292030'>292030: Esters; of other inorganic acids of non-metals (excluding esters of hydrogen halides) and their salts; their halogenated, sulphonated, nitrated or nitrosated derivatives, endosulfan (ISO)</a>"]
B --> K["<a href='/classifications/hs/v2017/292090'>292090: Esters; other than thiophosphoric esters (phosphorothioates) and phosphite esters and their salts, their halogenated, sulphonated, nitrated or nitrosated derivatives, n.e.c. in heading no. 2920</a>"]

    

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