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

HS v2022 Code: 291090

About 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

HS code 291090 covers a diverse range of chemical compounds known as epoxides, epoxyalcohols, epoxyphenols, and epoxyethers. These substances 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 various industrial and consumer goods, contributing to the broader chemical and manufacturing sectors.

Production process

The production of the compounds covered under HS code 291090 typically involves a series of chemical reactions and purification processes. The key steps often include the epoxidation of olefins, the reaction of epoxides with alcohols or phenols, and the subsequent derivatization of the resulting compounds. Advanced techniques such as catalysis, distillation, and crystallization may be employed to ensure the desired purity and quality of the final products.

Production inputs

The main inputs required for the production of the substances under HS code 291090 include a variety of raw materials, such as olefins, alcohols, and phenols. Additionally, specialized chemicals, catalysts, and energy sources are necessary for the various chemical reactions and purification processes. Machinery and equipment, such as reactors, distillation columns, and crystallization units, are also essential for the efficient and reliable manufacturing of these compounds.

Production outputs

The compounds covered under HS code 291090 serve as important intermediates and building blocks for a wide range of industries. They are used in the production of 390720 Epoxide resins, 390760 Polyethylene terephthalate, and 293090 Organo-sulphur compounds, among others. These derivatives find applications in the manufacturing of adhesives, coatings, plastics, and various specialty chemicals, contributing to the growth and development of diverse sectors.

Revisions to 291090

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 291090. The most recent 1 version of this code (291090) is in the HS v2022 system (this version):

This page shows the most recent version of code 291090.

Family tree for 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

    graph LR
    A["<a href='/classifications/hs/v2022/29'>29: Organic chemicals</a>"]
A --> B["<a href='/classifications/hs/v2022/2910'>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/v2022/291090'>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>"]

    B --> D["<a href='/classifications/hs/v2022/291010'>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/v2022/291020'>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/v2022/291030'>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/v2022/291040'>291040: Epoxides, epoxyalcohols, epoxyphenols and epoxyethers; with a three-membered ring and their halogenated, sulphonated, nitrated or nitrosated derivatives, dieldrin (ISO, INN)</a>"]
B --> H["<a href='/classifications/hs/v2022/291050'>291050: Epoxides, epoxyalcohols, epoxyphenols and epoxyethers; with a three-membered ring and their halogenated, sulphonated, nitrated or nitrosated derivatives, endrin (ISO)</a>"]

    

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