Phenol-alcohols and polyphenols n.e.c. in item number 2907.2

HS v2017 Code: 290729

About phenol-alcohols and polyphenols n.e.c. in item number 2907.2

HS code 290729 covers a diverse range of phenol-alcohols and polyphenols, which are organic compounds with both phenol and alcohol functional groups. These compounds play a crucial role in various industries, including pharmaceuticals, cosmetics, and specialty chemicals. As an important class of intermediates, phenol-alcohols and polyphenols find applications in the synthesis of a wide array of end-products, contributing significantly to the global chemical industry.

Production process

The production of phenol-alcohols and polyphenols typically involves a multi-step process. The first step often involves the reaction of phenols with aldehydes or ketones, followed by the reduction of the resulting compounds to obtain the desired phenol-alcohols. Alternatively, the phenol-alcohols may be synthesized through the hydroxylation of alkylbenzenes. The specific production techniques can vary depending on the target compound and the desired properties.

Production inputs

The main inputs required for the production of phenol-alcohols and polyphenols include phenols, aldehydes, ketones, and reducing agents. Additionally, various catalysts and solvents may be used to facilitate the chemical reactions. Specialized equipment, such as reactors, distillation columns, and purification systems, are also essential for the manufacturing process.

Production outputs

The phenol-alcohols and polyphenols produced under HS code 290729 find applications in a wide range of industries. They are used as intermediates in the synthesis of pharmaceuticals, personal care products, and specialty chemicals. Some of the key end-products that may consume the outputs of this industry include 300000 Pharmaceutical products, 330000 Cosmetic and toiletry preparations, and 380000 Miscellaneous chemical products.

Revisions to 290729

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 290729. The most recent 1 version of this code (290729) is in the HS v2022 system:

This page shows a legacy version of code 290729 ( HS v2017).

Older versions

Family tree for phenol-alcohols and polyphenols n.e.c. in item number 2907.2

    graph LR
    A["<a href='/classifications/hs/v2017/29'>29: Organic chemicals</a>"]
A --> B["<a href='/classifications/hs/v2017/2907'>2907: Phenols; monophenols, polyphenols, and phenol-alcohols</a>"]
B --> C["<a href='/classifications/hs/v2017/290729'>290729: Phenol-alcohols and polyphenols n.e.c. in item number 2907.2</a>"]

    B --> D["<a href='/classifications/hs/v2017/290711'>290711: Monophenols; phenol (hydroxybenzene) and its salts</a>"]
B --> E["<a href='/classifications/hs/v2017/290712'>290712: Monophenols; cresols and their salts</a>"]
B --> F["<a href='/classifications/hs/v2017/290713'>290713: Monophenols; octylphenol, nonylphenol and their isomers, salts thereof</a>"]
B --> G["<a href='/classifications/hs/v2017/290715'>290715: Monophenols; naphthols and their salts</a>"]
B --> H["<a href='/classifications/hs/v2017/290719'>290719: Monophenols; n.e.c. in item no. 2907.1</a>"]
B --> I["<a href='/classifications/hs/v2017/290721'>290721: Polyphenols; resorcinol and its salts</a>"]
B --> J["<a href='/classifications/hs/v2017/290722'>290722: Polyphenols; hydroquinone (quinol) and its salts</a>"]
B --> K["<a href='/classifications/hs/v2017/290723'>290723: Polyphenols; 4,4'-isopropylidenediphenol (bisphenol A, diphenylolpropane) and its salts</a>"]

    

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