Phosphorus trichloride

HS v2022 Code: 281213

About phosphorus trichloride

HS code 281213 covers phosphorus trichloride, a widely used chemical compound with diverse industrial applications. As a key intermediate in the production of various phosphorus-based chemicals, phosphorus trichloride plays a crucial role in the global chemical industry. Its versatility and importance make it an integral part of the broader economy, supporting a range of downstream industries.

Production process

Phosphorus trichloride is typically produced through the reaction of white phosphorus and chlorine gas. This exothermic reaction is carefully controlled to ensure the safety and efficiency of the production process. The resulting phosphorus trichloride is then purified and packaged for distribution to various end-users.

Production inputs

The main inputs required for the production of phosphorus trichloride include white phosphorus, chlorine gas, and specialized production equipment such as reactors, distillation columns, and storage tanks. Additionally, the process may require energy sources, cooling systems, and various safety and control mechanisms to ensure a safe and reliable production environment.

Production outputs

Phosphorus trichloride is a versatile chemical that serves as a key intermediate in the production of a wide range of other phosphorus-based compounds. Its primary outputs are used in the manufacture of 281219 Phosphorus oxychloride, 281511 Hypophosphorous acid, and various phosphate esters and other phosphorus-containing chemicals. These downstream products find applications in industries such as agriculture, pharmaceuticals, and specialty chemicals.

Revisions to 281213

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 281213. The most recent 1 version of this code (281213) is in the HS v2022 system (this version):

This page shows the most recent version of code 281213.

Older versions

Family tree for phosphorus trichloride

    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/v2022/281213'>281213: Phosphorus trichloride</a>"]

    B --> D["<a href='/classifications/hs/v2022/281211'>281211: Carbonyl dichloride (phosgene)</a>"]
B --> E["<a href='/classifications/hs/v2022/281212'>281212: Phosphorus oxychloride</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>"]

    

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