Dichlorodifluoromethane (E940)
Type of additive (Glossary) | Packaging Gas |
E Number | E940 |
Chemical Formula | CCl2F2 |
Also Known As | Dichlorodifluoromethane Carbon dichloride difluoride Dichloro-difluoro-methane Difluorodichloromethane Freon 12 R-12 CFC-12 P-12 Propellant 12 Halon 122 Arcton 6 Arcton 12 E940 Fluorocarbon 12 Genetron 12 Refrigerant 12 |

Purpose and Function
Dichlorodifluoromethane (E940) was used as a packaging gas in the food industry to preserve the freshness and quality of packaged foods. However, it is now banned in all countries due to its harmful effects on the ozone layer.
Potential Risks and Side Effects
Dichlorodifluoromethane (E940) is banned due to its harmful effects on the ozone layer and potential health risks.