Difluoromethane is a colorless, flammable gas with a slight ether-like odor. It is shipped as a liquefied gas under its own vapor pressure (207 psig @ 70° F).
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Applications of difluoromethane include the following:
- Currently used as a substitute for R-410a in residential and commercial air conditioners in Japan, China, and India
- Plating agent and surface treating agent
- Plasma etching
- Heat transfer fluid
- Used in refrigerant blends
|Grade 3||Grade 4|
|Nitrogen||< 300 ppmv||< 40 ppmv|
|Oxygen||< 50 ppmv||< 10 ppmv|
|Carbon Dioxide||< 5 ppmv|
|Moisture||< 100 ppmv||< 5 ppmv|
|Other Halocarbons||< 60 ppmv|
|Acidity||< 0.1 ppm/w|
|Other Organics||< 700 ppmv|
**Moisture level guaranteed only when Electronic Fluorocarbons prepares the cylinders.
All concentrations are on a mol/mol basis unless otherwise stated.
Product sold on the basis of total impurities. Individual impurities may vary slightly.
|Chemical & Physical Properties|
|Specific Volume||7.19 cu.ft/lb|
|Pressure @ 70° F||207 psig|
|Valve Outlet: CGA 350||CGA 350 DISS 724|
|DOT No.||UN 3252|
|DOT Label||Red, Flammable Gas|
|Cylinder Size||Fill Weight (lbs)|
*This gas not available for purchase online.