Acids; carboxylic acids, (with phenol function but without other oxygen function), o-acetylsalicylic acid, its salts and esters

HS v2017 Code: 291822

About acids; carboxylic acids, (with phenol function but without other oxygen function), o-acetylsalicylic acid, its salts and esters

HS code 291822 covers a group of carboxylic acids with a phenol functional group, including the well-known compound o-acetylsalicylic acid, commonly known as aspirin. These chemicals play a vital role in the pharmaceutical and chemical industries, serving as key ingredients in various medications, personal care products, and industrial applications. Their importance extends across a wide range of sectors, making them an integral part of the global economy.

Production process

The production of the chemicals covered under HS code 291822 typically involves a multi-step synthesis process. The starting materials, which may include phenol, acetic acid, and other organic compounds, undergo a series of chemical reactions, such as esterification, acetylation, and purification, to yield the desired carboxylic acid products. The specific techniques employed can vary depending on the target compound and the scale of production, but generally involve the use of specialized equipment, precise temperature and pressure control, and careful monitoring of the reaction conditions.

Production inputs

The main inputs required for the production of the chemicals under HS code 291822 include a range of organic raw materials, such as phenol, acetic acid, and various alcohols and acids. Additionally, the process may require specialized catalysts, solvents, and other auxiliary chemicals to facilitate the desired reactions. Sophisticated production equipment, including reactors, distillation columns, and purification systems, are also essential for the efficient and high-quality manufacturing of these carboxylic acid products.

Production outputs

The primary outputs of the industry covered by HS code 291822 are the various carboxylic acids with a phenol functional group, including o-acetylsalicylic acid (aspirin) and its salts and esters. These chemicals find widespread applications in the pharmaceutical industry, where they are used as active ingredients in pain relievers, anti-inflammatory drugs, and other medical preparations. Additionally, the outputs of this industry may be consumed by 330499 Other cosmetic or toilet preparations, not elsewhere specified or included, 340290 (Organic surface-active agents (other than soap); surface-active preparations, washing preparations (including auxiliary washing preparations) and cleaning preparations, whether or not containing soap, other than those of heading 34.01), and 382499 (Chemical products and preparations of the chemical or allied industries (including those consisting of mixtures of natural products), not elsewhere specified or included).

Revisions to 291822

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 291822. The most recent 1 version of this code (291822) is in the HS v2022 system:

This page shows a legacy version of code 291822 ( HS v2017).

Family tree for acids; carboxylic acids, (with phenol function but without other oxygen function), o-acetylsalicylic 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/v2017/291822'>291822: Acids; carboxylic acids, (with phenol function but without other oxygen function), o-acetylsalicylic 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/v2017/291823'>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>"]

    

    %% 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