Phosphinates (hypophosphites) and phosphonates (phosphites), whether or not chemically defined

HS v2022 Code: 283510

About phosphinates (hypophosphites) and phosphonates (phosphites), whether or not chemically defined

HS code 283510 covers a group of chemical compounds known as phosphinates (hypophosphites) and phosphonates (phosphites). These substances play a crucial role in various industries, serving as important intermediates and building blocks for the production of a wide range of products. Their versatility and diverse applications make them an integral part of the global chemical supply chain, contributing to the overall growth and development of the economy.

Production process

The production of phosphinates and phosphonates typically involves chemical synthesis processes. The key steps often include the reaction of phosphorus-containing compounds with other reagents, such as alcohols or acids, to form the desired phosphinate or phosphonate derivatives. Depending on the specific compound, the production may involve techniques like neutralization, precipitation, filtration, and purification to obtain the final product.

Production inputs

The main inputs required for the production of phosphinates and phosphonates include phosphorus-containing raw materials, such as phosphoric acid, phosphorus trichloride, or phosphorus pentoxide. Additionally, various organic and inorganic chemicals, such as alcohols, acids, and bases, are used as reactants and auxiliaries in the synthesis process. Specialized equipment, such as reactors, distillation columns, and filtration systems, are also essential for the efficient and controlled production of these chemical compounds.

Production outputs

The phosphinates and phosphonates produced under HS code 283510 find applications in a diverse range of industries. They are used as intermediates in the synthesis of pharmaceuticals, agrochemicals, and specialty chemicals. Additionally, these compounds are employed as flame retardants, water treatment agents, and as components in various industrial and consumer products. Other HS codes that may consume the outputs of this industry include 290520 Alcohols, acyclic, saturized, 290590 Alcohols, acyclic, unsaturized, and 291590 Other carboxylic acids with additional oxygen function, among others.

Revisions to 283510

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 283510. The most recent 1 version of this code (283510) is in the HS v2022 system (this version):

This page shows the most recent version of code 283510.

Family tree for phosphinates (hypophosphites) and phosphonates (phosphites), whether or not chemically defined

    graph LR
    A["<a href='/classifications/hs/v2022/28'>28: Inorganic chemicals; organic and inorganic compounds of precious metals; of rare earth metals, of radio-active elements and of isotopes</a>"]
A --> B["<a href='/classifications/hs/v2022/2835'>2835: Phosphinates (hypophosphites), phosphonates (phosphites), and phosphates; and polyphosphates, whether or not chemically defined</a>"]
B --> C["<a href='/classifications/hs/v2022/283510'>283510: Phosphinates (hypophosphites) and phosphonates (phosphites), whether or not chemically defined</a>"]

    B --> D["<a href='/classifications/hs/v2022/283522'>283522: Phosphates; of mono- or disodium, whether or not chemically defined</a>"]
B --> E["<a href='/classifications/hs/v2022/283524'>283524: Phosphates; of potassium, whether or not chemically defined</a>"]
B --> F["<a href='/classifications/hs/v2022/283525'>283525: Phosphates; calcium hydrogenorthophosphate (dicalcium phosphate), whether or not chemically defined</a>"]
B --> G["<a href='/classifications/hs/v2022/283526'>283526: Phosphates; of calcium n.e.c. in item no. 2835.25, whether or not chemically defined</a>"]
B --> H["<a href='/classifications/hs/v2022/283529'>283529: Phosphates; (other than of mono- or disodium, other than of potassium or of calcium hydrogenorthophosphate (dicalcium phosphate) and excluding other phosphates of calcium), whether or not chemically defined</a>"]
B --> I["<a href='/classifications/hs/v2022/283531'>283531: Polyphosphates; sodium triphosphate (sodium tripolyphosphate), whether or not chemically defined</a>"]
B --> J["<a href='/classifications/hs/v2022/283539'>283539: Polyphosphates; other than sodium triphosphate (sodium tripolyphosphate), whether or not chemically defined</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 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