Epoxides, epoxyalcohols, epoxyphenols and epoxyethers; with a three-membered ring and their halogenated, sulphonated, nitrated or nitrosated derivatives, dieldrin (ISO, INN)

HS v2017 Code: 291040

About epoxides, epoxyalcohols, epoxyphenols and epoxyethers; with a three-membered ring and their halogenated, sulphonated, nitrated or nitrosated derivatives, dieldrin (iso, inn)

HS code 291040 covers a diverse range of chemical compounds known as epoxides, epoxyalcohols, epoxyphenols, and epoxyethers. These compounds are characterized by a three-membered ring structure and can be further modified through halogenation, sulphonation, nitration, or nitrosation. This industry plays a crucial role in the production of a wide array of products, from pharmaceuticals and pesticides to specialty chemicals and industrial materials, making it an integral part of the broader chemical industry.

Production process

The production of the compounds covered under HS code 291040 typically involves a series of chemical reactions, including epoxidation, ring-opening, and various derivatization processes. These techniques often utilize catalysts, controlled temperature and pressure conditions, and careful purification steps to ensure the desired product characteristics.

Production inputs

The main inputs required for the production of HS code 291040 compounds include a variety of organic precursors, such as alcohols, phenols, and ethers, as well as halogenating, sulphonating, nitrating, or nitrosating agents. Additionally, specialized equipment, such as reactors, distillation columns, and purification systems, are essential for the manufacturing process.

Production outputs

The compounds classified under HS code 291040 are widely used as intermediates in the production of a diverse range of products, including 300490 Medicaments, 380810 Insecticides, and 390799 Other polyesters. These epoxide-based chemicals find applications in the pharmaceutical, agrochemical, and specialty chemical industries, among others.

Revisions to 291040

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 291040. The most recent 1 version of this code (291040) is in the HS v2022 system:

This page shows a legacy version of code 291040 ( HS v2017).

Older versions

Family tree for epoxides, epoxyalcohols, epoxyphenols and epoxyethers; with a three-membered ring and their halogenated, sulphonated, nitrated or nitrosated derivatives, dieldrin (iso, inn)

    graph LR
    A["<a href='/classifications/hs/v2017/29'>29: Organic chemicals</a>"]
A --> B["<a href='/classifications/hs/v2017/2910'>2910: Epoxides, epoxyalcohols, epoxyphenols and epoxyethers; with a three-membered ring and their halogenated, sulphonated, nitrated or nitrosated derivatives</a>"]
B --> C["<a href='/classifications/hs/v2017/291040'>291040: Epoxides, epoxyalcohols, epoxyphenols and epoxyethers; with a three-membered ring and their halogenated, sulphonated, nitrated or nitrosated derivatives, dieldrin (ISO, INN)</a>"]

    B --> D["<a href='/classifications/hs/v2017/291010'>291010: Epoxides, epoxyalcohols, epoxyphenols and epoxyethers; with a three-membered ring and their halogenated, sulphonated, nitrated or nitrosated derivatives; oxirane (ethylene oxide)</a>"]
B --> E["<a href='/classifications/hs/v2017/291020'>291020: Epoxides, epoxyalcohols, epoxyphenols and epoxyethers; with a three-membered ring and their halogenated, sulphonated, nitrated or nitrosated derivatives, methyloxirane (propylene oxide)</a>"]
B --> F["<a href='/classifications/hs/v2017/291030'>291030: Epoxides, epoxyalcohols, epoxyphenols and epoxyethers; with a three-membered ring and their halogenated, sulphonated, nitrated or nitrosated derivatives, 1-chloro-2,3-epoxypropane (epichlorohydrin)</a>"]
B --> G["<a href='/classifications/hs/v2017/291050'>291050: Epoxides, epoxyalcohols, epoxyphenols and epoxyethers; with a three-membered ring and their halogenated, sulphonated, nitrated or nitrosated derivatives, endrin (ISO)</a>"]
B --> H["<a href='/classifications/hs/v2017/291090'>291090: Epoxides, epoxyalcohols, epoxyphenols and epoxyethers; with a three-membered ring and their halogenated, sulphonated, nitrated or nitrosated derivatives, n.e.c. in heading no. 2910</a>"]

    

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