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
HS v2022 Code: 291891
About 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
HS code 291891 covers a diverse range of carboxylic acids with additional oxygen functions, excluding those with alcohol, phenol, aldehyde, or ketone groups. These compounds and their derivatives, such as anhydrides, halides, peroxides, and peroxyacids, have a wide variety of industrial and commercial applications. They play a crucial role in the production of various chemicals, pharmaceuticals, and agricultural products, making them an essential part of the global chemical industry.
Production process
The production of the compounds covered under HS code 291891 typically involves chemical synthesis processes. These may include oxidation, esterification, or other reactions starting from various precursor chemicals. The specific techniques used can vary depending on the target compound, but often involve the controlled manipulation of temperature, pressure, and reaction time to achieve the desired product.
Production inputs
The main inputs required for the production of the chemicals under HS code 291891 include a range of organic and inorganic raw materials, such as 290511 alcohols, 290531 phenols, 291211 aldehydes, and 291411 ketones. Additionally, various catalysts, solvents, and energy sources may be required, depending on the specific production process.
Production outputs
The compounds covered under HS code 291891 are widely used as intermediates in the production of a variety of other chemicals, pharmaceuticals, and agricultural products. They may be further processed or combined with other substances to create a wide range of end-use products. Some of the industries that may consume the outputs of this code include 300 Pharmaceutical products, 380 Miscellaneous chemical products, and 380810 Insecticides, rodenticides, fungicides, herbicides, anti-sprouting products and plant-growth regulators, among others.
Revisions to 291891
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 291891. The most recent 1 version of this code (291891) is in the HS v2022 system (this version):
This page shows the most recent version of code 291891.
Family tree for 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
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/v2022/291891'>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 --> 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/v2022/291817'>291817: Acids; carboxylic acids, (with alcohol function but without other oxygen function), 2,2-Diphenyl-2-hydroxyacetic acid (benzilic acid)</a>"] B --> K["<a href='/classifications/hs/v2022/291818'>291818: Acids; carboxylic acids, (with alcohol function but without other oxygen function), chlorobenzilate (ISO)</a>"] B --> L["<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 --> M["<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 --> N["<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 --> O["<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 --> P["<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 --> Q["<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 --> 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>"] %% Color coordination by level classDef level1 color:#000,fill:#a8f9ff,stroke:#333,stroke-width:2px classDef level2 color:#000,fill:#e0a458,stroke:#333,stroke-width:1px classDef level3 color:#000,fill:#419d78,stroke:#333,stroke-width:1px classDef level4 color:#000,fill:#c04abc,stroke:#333,stroke-width:1px classDef level5 color:#000,fill:#f1c40f,stroke:#333,stroke-width:1px classDef level6 color:#000,fill:#f1c40f,stroke:#333,stroke-width:1px classDef highlight color:#000,fill:#fff,stroke:#000,stroke-width:5px %% Apply classes class A level2 class B level4 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 %% class A level1 %% class B,C level2 %% class D,E,F,G,H,I level2 %% class J,K,L,M,N,O,P level3 %% class C highlight