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CHLORINE

CHLORODIFLUOROMETHANE（REFRIGERANT GAS R 22）

CHLOROPENTAFLUORO- ETHANE（REFRIGERANT GAS R 115）

1-CHLORO-1,2,2,2- TETRAFLUOROETHANE（REFRIGERANT GAS R 124）

CHLOROTRIFLUOROMETHANE（REFRIGERANT GAS R 13）

COAL GAS, COMPRESSED

CYANOGEN

CYCLOPROPANE

DICHLORODIFLUORO- METHANE（REFRIGERANT GAS R12）

DICHLOROFLUOROMETHANE（REFRIGERANT GAS R 21）

1,1-DIFLUOROETHANE （REFRIGERANT GAS R 152a）

DIMETHYLAMINE, ANHYDROUS

DIMETHYL ETHER

ETHANE

ETHYLAMINE

ETHYL CHLORIDE

ETHYLENE, REFRIGERATED LIQUID

ETHYL METHYL ETHER

ETHYLENE OXIDE or ETHYLENE OXIDE WITH NITROGEN up to a total pressure of 1 MPa（10 bar）at 50 °C

ETHYLENE OXIDE AND CARBON DIOXIDE MIXTURE with more than 9% but not more than 87% ethylene oxide