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

HS v2017 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 carboxylic acids with an alcohol function but without any other oxygen function. This includes the compound 2,2-Diphenyl-2-hydroxyacetic acid, also known as benzilic acid. These types of carboxylic acids have a wide range of applications in the chemical industry, serving as important intermediates and building blocks for the production of various pharmaceuticals, plastics, and other specialty chemicals.

Production process

Benzilic acid, the primary compound under this HS code, is typically produced through the oxidation of benzoin, a related organic compound. This process involves the use of strong oxidizing agents, such as potassium permanganate or chromic acid, to convert the benzoin molecule into the desired benzilic acid structure.

Production inputs

The main inputs required for the production of benzilic acid and other carboxylic acids under this HS code include benzoin or similar organic precursors, as well as the necessary oxidizing agents and solvents. Additionally, specialized equipment such as reactors, distillation columns, and purification systems are essential for the efficient and high-quality production of these chemicals.

Production outputs

The carboxylic acids produced under HS code 291817 are widely used as intermediates in the synthesis of various pharmaceutical compounds, such as 294000 Medicinal Chemicals, as well as in the production of 390000 Plastics and Articles Thereof. These acids may also find applications in the formulation of personal care products, coatings, and other specialty chemical applications.

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 page shows a legacy version of code 291817 ( HS v2017).

Older versions

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/v2017/29'>29: Organic chemicals</a>"]
A --> B["<a href='/classifications/hs/v2017/2918'>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/v2017/291817'>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/v2017/291811'>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/v2017/291812'>291812: Acids; carboxylic acids, (with alcohol function but without other oxygen function), tartaric acid</a>"]
B --> F["<a href='/classifications/hs/v2017/291813'>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/v2017/291814'>291814: Acids; carboxylic acids, (with alcohol function but without other oxygen function), citric acid</a>"]
B --> H["<a href='/classifications/hs/v2017/291815'>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/v2017/291816'>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/v2017/291818'>291818: Acids; carboxylic acids, (with alcohol function but without other oxygen function), chlorobenzilate (ISO)</a>"]
B --> K["<a href='/classifications/hs/v2017/291819'>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/v2017/291821'>291821: Acids; carboxylic acids, (with phenol function but without other oxygen function), salicylic acid and its salts</a>"]
B --> M["<a href='/classifications/hs/v2017/291822'>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/v2017/291823'>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/v2017/291829'>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/v2017/291830'>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/v2017/291891'>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/v2017/291899'>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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