Acids; carboxylic acids, (with alcohol function but without other oxygen function), 2,2-Diphenyl-2-hydroxyacetic acid (benzilic acid)

HS v2022 Code: 291817

About acids; carboxylic acids, (with alcohol function but without other oxygen function), 2,2-diphenyl-2-hydroxyacetic acid (benzilic acid)

HS code 291817 covers a class of organic compounds known as carboxylic acids with an alcohol functional group. These compounds are widely used in various industries, including pharmaceuticals, cosmetics, and specialty chemicals. They play a crucial role in the production of a range of products, from personal care items to industrial solvents and intermediates. The importance of this industry lies in its ability to provide essential building blocks for the synthesis of more complex molecules, making it a vital component of the broader chemical industry.

Production process

The production of carboxylic acids with an alcohol function, such as those covered by HS code 291817, typically involves a multi-step process. The key steps often include the oxidation of alcohols, the hydrolysis of esters, or the carbonation of Grignard reagents. These techniques are used to synthesize a wide range of carboxylic acids, including the specific compound 2,2-Diphenyl-2-hydroxyacetic acid (benzilic acid).

Production inputs

The main inputs required for the production of carboxylic acids with an alcohol function include various alcohols, oxidizing agents, and solvents. Specialized equipment, such as reactors, distillation columns, and purification systems, are also necessary to ensure the efficient and high-quality production of these compounds. Additionally, skilled labor and technical expertise are crucial for the successful operation of this industry.

Production outputs

The primary outputs of the industry covered by HS code 291817 are the carboxylic acids with an alcohol function, including 2,2-Diphenyl-2-hydroxyacetic acid (benzilic acid). These compounds are widely used as intermediates in the production of various pharmaceuticals, cosmetics, and specialty chemicals. They may be further processed or combined with other 291700 Carboxylic acids and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives to create more complex molecules.

Revisions to 291817

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 291817. The most recent 1 version of this code (291817) is in the HS v2022 system (this version):

This page shows the most recent version of code 291817.

Family tree for acids; carboxylic acids, (with alcohol function but without other oxygen function), 2,2-diphenyl-2-hydroxyacetic acid (benzilic acid)

    graph LR
    A["<a href='/classifications/hs/v2022/29'>29: Organic chemicals</a>"]
A --> B["<a href='/classifications/hs/v2022/2918'>2918: Acids; carboxylic acid with additional oxygen function and their anhydrides, halides, peroxides, peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives</a>"]
B --> C["<a href='/classifications/hs/v2022/291817'>291817: Acids; carboxylic acids, (with alcohol function but without other oxygen function), 2,2-Diphenyl-2-hydroxyacetic acid (benzilic acid)</a>"]

    B --> D["<a href='/classifications/hs/v2022/291811'>291811: Acids; carboxylic acids, (with alcohol function but without other oxygen function), lactic acid, its salts and esters</a>"]
B --> E["<a href='/classifications/hs/v2022/291812'>291812: Acids; carboxylic acids, (with alcohol function but without other oxygen function), tartaric acid</a>"]
B --> F["<a href='/classifications/hs/v2022/291813'>291813: Acids; carboxylic acids, (with alcohol function but without other oxygen function); salts and esters of tartaric acid</a>"]
B --> G["<a href='/classifications/hs/v2022/291814'>291814: Acids; carboxylic acids, (with alcohol function but without other oxygen function), citric acid</a>"]
B --> H["<a href='/classifications/hs/v2022/291815'>291815: Acids; carboxylic acids, (with alcohol function but without other oxygen function), salts and esters of citric acid</a>"]
B --> I["<a href='/classifications/hs/v2022/291816'>291816: Acids; carboxylic acids, (with alcohol function but without other oxygen function), gluconic acid, its salts and esters</a>"]
B --> J["<a href='/classifications/hs/v2022/291818'>291818: Acids; carboxylic acids, (with alcohol function but without other oxygen function), chlorobenzilate (ISO)</a>"]
B --> K["<a href='/classifications/hs/v2022/291819'>291819: Acids; carboxylic acids, (with alcohol function but without other oxygen function), other than lactic, tartaric, citric, and gluconic acids and their salts and esters</a>"]
B --> L["<a href='/classifications/hs/v2022/291821'>291821: Acids; carboxylic acids, (with phenol function but without other oxygen function), salicylic acid and its salts</a>"]
B --> M["<a href='/classifications/hs/v2022/291822'>291822: Acids; carboxylic acids, (with phenol function but without other oxygen function), o-acetylsalicylic acid, its salts and esters</a>"]
B --> N["<a href='/classifications/hs/v2022/291823'>291823: Acids; carboxylic acids, (with phenol function but without other oxygen function), other esters of salicylic acid and its salts n.e.c. in item no. 2918.2</a>"]
B --> O["<a href='/classifications/hs/v2022/291829'>291829: Acids; carboxylic acids, (with phenol function but without other oxygen function), their anhydrides, halides, peroxides, peroxyacids and their derivatives, n.e.c. in item no. 2918.2</a>"]
B --> P["<a href='/classifications/hs/v2022/291830'>291830: Acids; carboxylic acids, (with aldehyde or ketone function but without other oxygen function), their anhydrides, halides, peroxides, peroxyacids and their derivatives</a>"]
B --> Q["<a href='/classifications/hs/v2022/291891'>291891: Acids; carboxylic acids, with additional oxygen function (not alcohol, phenol, aldehyde or ketone) and their anhydrides, halides, peroxides and peroxyacids; 2,4,5-T (ISO) (2,4,5-trichlorophenoxyacetic acid), its salts and esters</a>"]
B --> R["<a href='/classifications/hs/v2022/291899'>291899: Acids; carboxylic acids, with additional oxygen function (not alcohol, phenol, aldehyde or ketone) and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives; other than 2,4,5-T (ISO)</a>"]

    

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    classDef level6 color:#000,fill:#f1c40f,stroke:#333,stroke-width:1px
    classDef highlight color:#000,fill:#fff,stroke:#000,stroke-width:5px



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class C level6
class D level6
class E level6
class F level6
class G level6
class H level6
class I level6
class J level6
class K level6
class L level6
class M level6
class N level6
class O level6
class P level6
class Q level6
class R level6

  class C highlight

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