Section VI — Products of the chemical or allied industries
Chapter 29 — Organic chemicals
Heading 2903 — Halogenated derivatives of hydrocarbons.
National subdivision 2903.7 — Halogenated derivatives of acyclic hydrocarbons containing two or more different halogens:
Subheading 2903.74 — Chlorodifluoroethanes (HCFC142, 142b)
HS code
2903.74.00 Chlorodifluoroethane
Last Verified Date - 1 October 2026
Common commodities
HCFC-142b refrigerant blend componentAerosol propellant containing HCFC-142bChlorodifluoroethane for cooling systemsHCFC-142b for foam blowing agentsFluorinated gas used in fire extinguishers (HCFC-142b)HCFC-142b solvent for electronics cleaningChlorodifluoroethane for medical equipmentR-142 aerosol propellant for pharmaceuticalsHCFC-142b in foam insulation productionRefrigerant component R-142b (C2H3ClF2)