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 v2017 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 this code an important part of the broader chemical industry.
Production process
The production of the compounds covered under HS code 291891 typically involves chemical synthesis processes. This may include oxidation, esterification, or other reactions to introduce the additional oxygen function to the carboxylic acid structure. The specific techniques used can vary depending on the target compound, but often involve the use of catalysts, controlled temperature and pressure conditions, and careful purification steps to ensure the desired product quality.
Production inputs
The main inputs required for the production of the chemicals under this code include various carboxylic acid feedstocks, oxidizing agents, and other reagents necessary for the synthesis reactions. Additionally, specialized equipment such as reactors, distillation columns, and purification systems are essential for the manufacturing process. The availability and cost of these raw materials and equipment can significantly impact the overall production and supply of these chemicals.
Production outputs
The outputs of HS code 291891 include a wide range of carboxylic acids with additional oxygen functions, as well as their derivatives such as anhydrides, halides, peroxides, and peroxyacids. These compounds find applications in the production of 291512 Salicylic acid and its salts, 291524 Acetic anhydride, 291590 Other esters of acetic acid, and 380810 Insecticides, rodenticides, fungicides, herbicides, anti-sprouting products and plant-growth regulators, disinfectants and similar products, 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 page shows a legacy version of code 291891 ( HS v2017).
Newer versions
Older versions
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/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/v2017/291891'>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/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/v2017/291817'>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/v2017/291818'>291818: Acids; carboxylic acids, (with alcohol function but without other oxygen function), chlorobenzilate (ISO)</a>"] B --> L["<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 --> M["<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 --> N["<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 --> O["<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 --> P["<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 --> Q["<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 --> 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>"] %% 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