Dichlorofluoromethane (HCFC-21) cas no:75-43-4
Synonyms: AF 22; AF22 (fluorocarbon); Algofrene Type 5; Arcton 7; CFC 21; Dichlorofluoromethane;Dichloromonofluoromethane; F 21; F 21 (fluorocarbon); FC 21; Fluorocarbon-21;Fluorodichloromethane; Freon 21; Genetron 21; HCFC 21;Monofluorodichloromethane; R 21; R 21 (refrigerant)
NameDichlorofluoromethane (HCFC-21)
CAS75-43-4
SynonymsAF 22; AF22 (fluorocarbon); Algofrene Type 5; Arcton 7; CFC 21; Dichlorofluoromethane;Dichloromonofluoromethane; F 21; F 21 (fluorocarbon); FC 21; Fluorocarbon-21;Fluorodichloromethane; Freon 21; Genetron 21; HCFC 21;Monofluorodichloromethane; R 21; R 21 (refrigerant)
EINECS(EC#)200-869-8
Molecular FormulaCH Cl2 F
Molecular Weight102.923
AppearanceCOLOURLESS GAS OR COMPRESSED LIQUEFIED GAS, WITH CHARACTERISTIC ODOUR.
refractive index1.3724 (9C)
storage tempMaterials must be stored in places that are cool. Provide adequate ventilation. Further precaution is to locate. Area. Away from areas of fire hazard.
Globally Harmonized System of Classification adn Labelling of Chemicals(GHS)
Hazardclass2.2
Hazard N:Dangerousfortheenvironment;
Risk R59
Safety Hazard Codes:N
Risk Statements:59
59:Dangerous for the ozone layer
Safety Statements:59
59:Refer to manufacturer/supplier for information on recovery/recycling
RIDADR:1029
HazardClass:2.2
Hazardous Substances Data:75-43-4(Hazardous Substances Data)
INHALATION: May cause giddiness, light-headedness, disorientation, nausea, vomiting, narcosis, cardiac dysrhythmias, hypotension, and death. SKIN: May cause frostbite or irritation. EYES: May cause irritation or cold injury.
