Esters; phosphoric, and their salts, including lactophosphates, their halogenated, sulphonated, nitrated or nitrosated derivatives; other than tris(2,3-dibromopropyl) phosphate

HS v2017 Code: 291990

About esters; phosphoric, and their salts, including lactophosphates, their halogenated, sulphonated, nitrated or nitrosated derivatives; other than tris(2,3-dibromopropyl) phosphate

HS code 291990 covers a diverse range of phosphoric esters and their derivatives, which are essential chemicals used in various industries. These compounds play a crucial role in applications such as plasticizers, flame retardants, and lubricants, making them an integral part of the global chemical supply chain. Their versatility and widespread use underscore the importance of this industry within the broader economy.

Production process

The production of phosphoric esters and their derivatives typically involves a multi-step process. The key steps include the esterification of phosphoric acid with various alcohols, followed by further chemical modifications such as halogenation, sulfonation, nitration, or nitrosation. The specific techniques employed may vary depending on the desired end-product and its intended application.

Production inputs

The main inputs required for the production of HS code 291990 products include phosphoric acid, a range of alcohols (such as ethanol, propanol, or butanol), and various halogenating, sulfonating, nitrating, or nitrosating agents. Additionally, specialized equipment and machinery, such as reactors, distillation columns, and purification systems, are essential for the efficient and safe manufacturing of these chemicals.

Production outputs

The outputs of HS code 291990 are a diverse range of phosphoric esters and their derivatives, which find applications in numerous industries. These compounds may be further consumed by industries producing 380610 Rosin and resin acids, 340290 Organic surface-active agents, or 381700 Mixed alkylbenzenes and mixed alkylnaphthalenes, among others, highlighting the interconnectedness of the chemical industry.

Revisions to 291990

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 291990. The most recent 1 version of this code (291990) is in the HS v2022 system:

This page shows a legacy version of code 291990 ( HS v2017).

Older versions

Family tree for esters; phosphoric, and their salts, including lactophosphates, their halogenated, sulphonated, nitrated or nitrosated derivatives; other than tris(2,3-dibromopropyl) phosphate

    graph LR
    A["<a href='/classifications/hs/v2017/29'>29: Organic chemicals</a>"]
A --> B["<a href='/classifications/hs/v2017/2919'>2919: Esters; phosphoric, and their salts, including lactophosphates, their halogenated, sulphonated, nitrated or nitrosated derivatives</a>"]
B --> C["<a href='/classifications/hs/v2017/291990'>291990: Esters; phosphoric, and their salts, including lactophosphates, their halogenated, sulphonated, nitrated or nitrosated derivatives; other than tris(2,3-dibromopropyl) phosphate</a>"]

    B --> D["<a href='/classifications/hs/v2017/291910'>291910: Esters; phosphoric, and their salts, including lactophosphates, their halogenated, sulphonated, nitrated or nitrosated derivatives; tris(2,3-dibromopropyl) phosphate</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 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