Chlorodifluoroethanes (HCFC-142, 142b)
Halogenated derivatives of hydrocarbons. > Halogenated derivatives of acyclic hydrocarbons containing two or more different halogens: > Chlorodifluoroethanes (HCFC-142, 142b) > Chlorodifluoroethanes (HCFC-142, 142b) > Chlorodifluoroethanes (HCFC-142, 142b)
Duty Rate (from China)
Products classified 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 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.
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.