HS Code for Phosphorus oxychloride

Phosphorus oxychloride, also known as phosphoryl chloride (POCl3), is classified under HS code 2812.12. This code falls under heading 2812, which is designated for halides and halide oxides of non-metals. Phosphorus oxychloride is a clear, colorless liquid that fumes in moist air and is primarily used as a chlorinating agent and in the production of phosphate esters. The classification is driven by its chemical structure as a halide oxide, where phosphorus is bonded to both oxygen and chlorine. Under the Harmonized System, inorganic compounds are categorized based on their constituent elements and functional groups. Since POCl3 contains a non-metal (phosphorus) combined with a halogen (chlorine) and oxygen, it is specifically identified in the subheadings of 2812. This substance is highly regulated due to its potential use as a precursor for chemical weapons, making accurate classification vital for international security compliance and adherence to the Chemical Weapons Convention.

Products Included

• Phosphoryl chloride
• Phosphorus oxytrichloride
• Technical grade phosphorus oxychloride
• Reagent grade POCl3

Common Misclassification

This product is most commonly confused with phosphorus trichloride (HS code 2812.13) and phosphorus pentachloride (HS code 2812.14). The primary difference lies in the presence of oxygen; 2812.12 is a halide oxide, whereas the others are pure halides. Misidentifying these can lead to significant regulatory hurdles, especially regarding the Chemical Weapons Convention (CWC) schedules. It is also sometimes confused with thionyl chloride (HS code 2812.17), which is a sulfur-based halide oxide. While they serve similar industrial roles as chlorinating agents, their chemical composition requires distinct classification. Proper documentation must specify the presence of the phosphoryl group to justify the 2812.12 code.

FAQ

What is the HS code for Phosphorus oxychloride?

The HS code for phosphorus oxychloride is 2812.12.

Is phosphorus oxychloride subject to export controls?

Yes, because it is a precursor for chemical agents, it is often subject to strict export licensing and monitoring under international treaties.