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

HS v2022 Code: 292021

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

HS code 292021 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 292021 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 nitrosation to create the derivative compounds. Careful control of reaction conditions, purification, and quality assurance measures are essential to ensure the production of high-purity, specification-grade materials.

Production inputs

The main inputs required for the production of the chemicals under HS code 292021 include a range of alcohols, phosphites, acids, and other organic precursor materials. Specialized chemical processing equipment, such as reactors, distillation columns, and purification systems, are also necessary. Additionally, the industry relies on a skilled workforce with expertise in organic synthesis, process engineering, and quality control.

Production outputs

The outputs of the industry covered by HS code 292021 include a diverse array of esters, phosphite esters, and their derivatives. These chemicals find applications in various downstream industries, such as 300000 Pharmaceutical products, 380810 Insecticides, rodenticides, fungicides, herbicides, anti-sprouting products and plant-growth regulators, and 390690 Other acrylic polymers in primary forms. The versatility of these compounds ensures a steady demand from a wide range of end-use sectors.

Revisions to 292021

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 292021. The most recent 1 version of this code (292021) is in the HS v2022 system (this version):

This page shows the most recent version of code 292021.

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

    graph LR
    A["<a href='/classifications/hs/v2022/29'>29: Organic chemicals</a>"]
A --> B["<a href='/classifications/hs/v2022/2920'>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/v2022/292021'>292021: Esters; phosphite esters and their salts; their halogenated, sulphonated, nitrated or nitrosated derivatives, dimethyl phosphite</a>"]

    B --> D["<a href='/classifications/hs/v2022/292011'>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/v2022/292019'>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/v2022/292022'>292022: Esters; phosphite esters and their salts; their halogenated, sulphonated, nitrated or nitrosated derivatives, diethyl phosphite</a>"]
B --> G["<a href='/classifications/hs/v2022/292023'>292023: Esters; phosphite esters and their salts; their halogenated, sulphonated, nitrated or nitrosated derivatives, trimethyl phosphite</a>"]
B --> H["<a href='/classifications/hs/v2022/292024'>292024: Esters; phosphite esters and their salts; their halogenated, sulphonated, nitrated or nitrosated derivatives, triethyl phosphite</a>"]
B --> I["<a href='/classifications/hs/v2022/292029'>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/v2022/292030'>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/v2022/292090'>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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