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Appendices. Designations of refrigerants

Refrigerant Graphical symbol according to International standard Chemical formula
Air R729 -
Water R718 H2O
Carbon dioxide R744 CO2
Ammonia R717 NH3
Sulfurous anhydride R764 SO2
Hydrogen R702 H2
Helium R704 He
Neon R720 Ne
Nitrogen R728 N2
Oxygen R732 O2
Argon R740 Ar
Hexafluoride sulfur R846 SF6
Methane R50 CH4
Ethane R170 C2H6
Propane R290 C3H8
Butane R600 С4Н10
Isobutane R600a CH(CH3)3
Ethylene R1150 C2H4
Propylene R1270 C3H6
Freons R10 CC14
R11 CCl3F
R12 CCl2F2
R13 CF3Cl
R14 CF4
R13B1 CF3Br
R20 CHCl3
R21 CHCl2F
R22 CHClF2
R23 CHF3
R30 CH2Cl2
R31 CH2ClF2
R32 CH2F2
R40 CH3Cl
R41 CH3F
R110 C2Cl6
R111 C2FCl5
R112 C2F2Cl4
R112a CCl3CClF2
R113 CCl2FCClF2
R113a CCl3CF3
R114 CClF2CClF2
R114a CCl2FCF3
R114B2 CBrF2CBrF2
R115 CCl2F2CF3
R116 C2F6
R120 C2HCl5
R123 C2HCl2F3
R124 C2HClF4
R124a CHF2CCl2F2
R125 CHF2CF3
R133a CH2ClCF3
R134a CF3CFH2
R140a CH3CCl3
R142b CH3CClF2
R143a CH3CF3
R150a CH3CHCl2
R152a CH3CHF2
R160 CH3CH2Cl
R218 C3F8
RC316 C4Cl2F6
RC317 C4ClF7
RC318 C4F8
R500 CCl2F2 (73,8 %) + C2H4F2 (26,2 %)
R501 R22(75 %) + R12 (25 %)
R502 R22 (48,8 %) + R115 (51,2%)
R503 R23(40,1%) + R13(59,9%)
R504 R32 (48,2 %) + R115 (51,8%)
R505 R12(78,0%) + R31 (22,0%)
R506 R31 (55, 1%) + R114(44,9%)
R507 R125 (50 %) + R143 (50 %)
R508 R23(46%) + R116b(54%)
Zeotrope blends of HCFC group R401A R22 (53 %) + R152 (13 %) + R124 (34 %)
R401B R22 (61 %) + R152 (11 %) + R124 (28 %)
R401C R22 (33 %) + R152 (15 %) + R124 (52 %)
R409A R22 (60 %) + R124 (25 %) + R124b (15 %)
C10M1 R22 (65 %) + R21 (5 %) + R142b (30 %)
R402A R22 (38 %) + R125 (60 %) + R290 (2 %)
R402B R22 (60 %) + R125 (38 %) + R290 (2 %)
R408A R22 (44 %) + R143a (4 %) + R125 (52 %)
R403B R22 (56 %) + R218 (39 %) + R290 (5 %)
Zeotrope blends of HFC group R404A R125 (44 %) + R143a (52 %) + R134a (4 %)
R407C R32 (23 %) + R125 (25 %) + R134a (52 %)
R407A R32 (20 %) + R125 (40 %) + R134a (40 %)
R410A R32(50%) + R125 (50%)
R413A R134a (88 %) + R218 (9 %) + R600a (3 %)
FX40 R32 (10 %) + R125 (45 %) + R143a (45 %)