Carbonyl Sulfide (COS)
Carbonyl sulfide (COS) is a colorless, poisonous gas. Although it is not a chloride, it is classified under tariff item 2812.19.00 as 'Other' chlorides and chloride oxides of non-metals based on Chapter 28 notes, which include certain carbon compounds.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the product is carbon disulfide
Carbon disulfide is specifically classified in heading 2813.
If the product is not a chloride or chloride oxide
This heading covers other inorganic compounds not elsewhere specified.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Confirm that the product is not a halide oxide of carbon, which would fall under heading 2812
• Provide the CAS number and purity to the CBSA
• Check for any gas safety regulations and permits required for importing toxic gases
Related Products under Tariff item 2812.19.00
99.9% Pure Arsenic Trichloride
High-purity arsenic trichloride (99.9% AsCl3) is a chemically defined inorganic compound used in laboratory and microelectronics applications. It is an anhydrous chloride of a non-metal, falling under tariff item 2812.19.00 as 'Other' chlorides and chloride oxides of non-metals.
Anhydrous Arsenic Trichloride
Anhydrous arsenic trichloride is a fuming liquid used in GaAs semiconductor production via MOCVD processes. It is a chemically defined chloride of a non-metal, classified under tariff item 2812.19.00 as 'Other' chlorides and chloride oxides of non-metals.
Antimony Trichloride
Antimony trichloride (SbCl3) is a colorless, hygroscopic solid used primarily as a catalyst in flame retardant formulations and in organic synthesis. It is a chemically defined inorganic compound of a non-metal chloride, falling under tariff item 2812.19.00 as 'Other' chlorides of non-metals. Its classification is supported by Chapter 28 notes, as it is not excluded by Section XV metal provisions.
Antimony Trichloride (SbCl3)
Antimony trichloride (SbCl3) is a hygroscopic solid used in fireproofing textiles. It is a chemically defined inorganic chloride of a non-metal, classified under tariff item 2812.19.00 as 'Other' chlorides and chloride oxides of non-metals.
Arsenic Trichloride
Arsenic trichloride (AsCl3) is a colorless, oily liquid used in wood preservation and as an intermediate in pharmaceutical synthesis. It is a chemically defined chloride of a non-metal (arsenic), classified under tariff item 2812.19.00 as 'Other' chlorides of non-metals. Chapter 28 notes confirm its inclusion as a separate chemical element compound.
Arsenic Trichloride (AsCl3)
Arsenic trichloride (AsCl3) is a toxic, oily liquid used in wood preservation and glass production. It is a chemically defined inorganic compound and a chloride of a non-metal, classified under tariff item 2812.19.00 as 'Other' chlorides and chloride oxides of non-metals.