1,1-Dichloro-1-fluoroethane (R-141b)
1,1-Dichloro-1-fluoroethane, also known as R-141b, is a hydrochlorofluorocarbon (HCFC) used as a refrigerant, solvent, and foam blowing agent. It is a separate chemically defined organic compound with both chlorine and fluorine atoms attached to an ethane backbone, falling under tariff item 2903.73.00 for dichlorofluoroethanes.
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 a different halogenated derivative of acyclic hydrocarbons containing two or more different halogens not specifically named.
This residual subheading covers other halogenated derivatives not listed elsewhere in heading 29.03.
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
• Ensure the product is pure 1,1-dichloro-1-fluoroethane (CAS 1717-00-6) and not a mixture, as mixtures may fall under other headings
• Verify if an import permit is required under the Ozone-depleting Substances Regulations, as HCFCs are controlled
• Keep detailed technical documentation to support classification
Related Products under Tariff item 2903.73.00
Dichlorofluoroethane HCFC-141b Cylinder
Dichlorofluoroethane HCFC-141b supplied in 100 lb recovery cylinders for industrial use. The packaging does not alter the chemical identity, and the product remains a separate chemically defined compound classifiable under tariff item 2903.73.00.
HCFC-141b (1,1-Dichloro-1-fluoroethane)
HCFC-141b (1,1-dichloro-1-fluoroethane) is a hydrochlorofluorocarbon used as a blowing agent in polyurethane foam and as an electronics solvent. It is a halogenated derivative of ethane containing both chlorine and fluorine, matching the description of tariff item 2903.73.00.
HCFC-141b Technical Grade 99.9% Pure
High-purity HCFC-141b (99.9%) used in manufacturing insulation panels and containers. As a separate chemically defined compound with the formula CH3CCl2F, it is classifiable under tariff item 2903.73.00 for dichlorofluoroethanes.
HCFC-141 (Dichlorofluoroethane Blowing Agent)
Technical grade HCFC-141 used as a blowing agent for rigid polyurethane foams. This product is a dichlorofluoroethane isomer, specifically 1,1-dichloro-1-fluoroethane, and falls under tariff item 2903.73.00.