Phosphorus oxychloride

HS v2022 Code: 281212

About phosphorus oxychloride

HS code 281212 covers phosphorus oxychloride, a versatile chemical compound with a wide range of industrial applications. As a key intermediate in the production of various phosphorus-based chemicals, phosphorus oxychloride plays a crucial role in the global chemical industry. Its importance extends across sectors such as agriculture, pharmaceuticals, and electronics, making it an essential component in the broader economy.

Production process

Phosphorus oxychloride is typically produced through the reaction of phosphorus trichloride and oxygen. This process involves the controlled oxidation of phosphorus trichloride, which is then distilled to obtain the pure phosphorus oxychloride product. The production process requires specialized equipment and careful temperature and pressure management to ensure the desired purity and yield.

Production inputs

The main inputs for the production of phosphorus oxychloride include phosphorus trichloride, which serves as the primary raw material, as well as oxygen and other auxiliary chemicals used in the oxidation and purification processes. Additionally, the industry relies on specialized equipment such as reactors, distillation columns, and storage tanks to facilitate the production and handling of this chemical compound.

Production outputs

Phosphorus oxychloride is a versatile chemical that finds application in the production of a wide range of other chemicals and products. It is commonly used as a precursor in the synthesis of various phosphorus-containing compounds, including 281119 Phosphides, 281410 Ammonia, and 290490 Other organic-inorganic compounds. The output of phosphorus oxychloride is essential for industries such as agriculture, pharmaceuticals, and electronics, where these downstream products are utilized.

Revisions to 281212

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 281212. The most recent 1 version of this code (281212) is in the HS v2022 system (this version):

This page shows the most recent version of code 281212.

Older versions

Family tree for phosphorus oxychloride

    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/v2022/2812'>2812: Halides and halide oxides of non-metals</a>"]
B --> C["<a href='/classifications/hs/v2022/281212'>281212: Phosphorus oxychloride</a>"]

    B --> D["<a href='/classifications/hs/v2022/281211'>281211: Carbonyl dichloride (phosgene)</a>"]
B --> E["<a href='/classifications/hs/v2022/281213'>281213: Phosphorus trichloride</a>"]
B --> F["<a href='/classifications/hs/v2022/281214'>281214: Phosphorus pentachloride</a>"]
B --> G["<a href='/classifications/hs/v2022/281215'>281215: Sulphur monochloride</a>"]
B --> H["<a href='/classifications/hs/v2022/281216'>281216: Sulphur dichloride</a>"]
B --> I["<a href='/classifications/hs/v2022/281217'>281217: Thionyl chloride</a>"]
B --> J["<a href='/classifications/hs/v2022/281219'>281219: Arsenic trichloride and other chlorides and chloride oxides, n.e.c. in item no. 2812</a>"]
B --> K["<a href='/classifications/hs/v2022/281290'>281290: Halides and halide oxides of non-metals; excluding chloride</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 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