HCFC-142b 99.99% Electronic Grade
Ultra-high purity chlorodifluoroethane (HCFC-142b) at 99.99% purity for cleaning precision electronic components and as a carrier fluid in vapor degreasing. This chemically defined acyclic halogenated hydrocarbon is classifiable under this tariff item.
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 contains other halogens or is not pure HCFC-142b
Other halogenated derivatives of acyclic hydrocarbons are classified under different subheadings.
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
• Document the purity level (99.99%) and CAS number to support classification as a separate chemically defined compound
• Ensure the product is not mixed with stabilizers that could change classification
• Check for any end-use restrictions under Canadian environmental regulations
Related Products under Tariff item 2903.74.00
1-Chloro-1,1-Difluoroethane (HCFC-142b) Technical Grade
Technical grade 1-chloro-1,1-difluoroethane (HCFC-142b, CAS 75-68-3) is a high-purity chlorodifluoroethane used in industrial refrigeration and polyurethane foam production. It is a separate chemically defined organic compound of acyclic structure, falling under Chapter 29 as a halogenated derivative of hydrocarbons.
Chlorodifluoroethane HCFC-142b for Foam Blowing
HCFC-142b supplied in 100 lb recovery cylinders for use as an auxiliary foam blowing agent in polystyrene and polyurethane insulation. As a pure chlorodifluoroethane, it is a chemically defined acyclic halogenated hydrocarbon, classifiable under this tariff item.
DuPont Vertrel XF HCFC-142b Specialty Fluid
Vertrel XF is a high-purity HCFC-142b formulation (1-chloro-1,1-difluoroethane) used as a precision cleaning solvent in electronics manufacturing. Imported as a ≥99% pure chemical compound, it qualifies as a separate chemically defined organic compound under Chapter 29.
HCFC-142b Refrigerant Gas
HCFC-142b used primarily as a refrigerant in commercial cooling systems and as a foam blowing agent. As a chlorodifluoroethane, it is a halogenated derivative of acyclic hydrocarbons, falling under this tariff item.
HCFC-142 Refrigerant Blend Component
Pure HCFC-142 (chlorodifluoroethane) supplied for blending into R-401A/R-406A refrigerant mixtures for air conditioning systems. As a chemically defined acyclic halogenated hydrocarbon, it is classifiable under this tariff item when imported in pure form.