Freon™ 407C (R-407C) is a R-22 replacement primarily for air-conditioning. It’s a HFC blend that requires a POE lubricant.

R-407C is included in the U.S. EPA SNAP de-listing of HFCs that will no longer be acceptable in new equipment in certain end use applications in the Indian market.

General Property Information

SNo.	Physical Physical Property	Unit	value
1	Molecular Weight, avg.	g/mol	86.20
2	Boiling Point (1 atm)	°C (°F)	–43.56 (–46.40)
3	Vapor Pressure at 25 °C (77 °F)	kPa abs (psia)	1174.1 (170.29)
4	Critical Temperature	°C (°F)	86.74 (188.13)
5	Critical Pressure	kPa (psia)	4619.10 (669.95)
6	Critical Density	kg/m3 (lb/ft3)	527.30 (32.92)
7	Liquid Density at 25 °C (77 °F)	kg/m3 (lb/ft3)	1134.0 (70.80)
8	Density, Saturated. Vapor at 25 °C (77 °F)	kg/m3 (lb/ft3)	41.98 (2.62)
9	Specific Heat, Liquid at 25 °C (77 °F)	kJ/kg·K (Btu/lb·°F)	1.54 (0.367)
10	Specific Heat, Vapor at 25 °C (77 °F) (1 atm)	kJ/kg·K (Btu/lb·°F)	0.830 (0.198)
11	Vapor Pressure of saturated liquid at 25 °C (77 °F)	kPa (psia)	1173.4 (170.3)
12	Heat of Vaporization at NormaL Boiling Point	kJ/kg (Btu/lb)	245.1 (105.4)
13	Thermal Conductivity at 25 °C (77 °F) Liquid Vapor (1 atm)	W/m·K (Btu/hr·ft·°F) W/m·K (Btu/hr·ft·°F)	0.0819 (0.0455) 0.01314 (0.00758)
14	Viscosity at 25 °C (77 °F) Liquid Vapor (1 atm)	Pa·s Pa·s	1.60 x 10^–4 1.23 x 10^–5
15	Flammability Limit in Air (1 atm)	vol%	None
16	Ozone Depletion Potential	(CFC-12 = 1.0)	0
17	Global Warming Potential(AR4)	(CFC-11 = 1.0)	0.63
18	TSCA Inventory Status	Included?	Yes
19	Inhalation Exposure Limit*	ppm (8- and 12-hr TWA)	1000

Applications

Positive displacement equipment:

1. new or existing residential and commercial air-conditioners

2. new or existing residential and commercial heat pumps

Existing medium-temperature applications