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 v2017 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 a wide array of products, from plastics and resins to pharmaceuticals and agrochemicals, making it an integral part of the broader chemical industry.

Production process

The production of the compounds covered under HS code 291090 typically involves various chemical synthesis techniques, such as epoxidation, ring-opening reactions, and functional group modifications. These processes 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 the substances under HS code 291090 include a range of organic precursor chemicals, such as alkenes, alcohols, and phenols. Additionally, the industry relies on specialized equipment, including reactors, distillation columns, and purification systems, as well as a skilled workforce with expertise in organic chemistry and chemical engineering.

Production outputs

The compounds classified under HS code 291090 serve as important building blocks for a diverse array of downstream products. These include 390110 Polyethylene, having a specific gravity of less than 0.94, in primary forms, 390120 Polyethylene, having a specific gravity of 0.94 or more, in primary forms, 390130 Ethylene-vinyl acetate copolymers, in primary forms, and various pharmaceutical and agrochemical formulations. The versatility of these epoxide-based compounds makes them valuable intermediates in the production of a wide range of consumer and industrial goods.

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 page shows a legacy version of code 291090 ( 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, n.e.c. in heading no. 2910

    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/v2017/291090'>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/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/v2017/291040'>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/v2017/291050'>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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