| R | Chemical Name | Formula | Mass | Boiling Point C |
Boiling Point F |
Safety Group |
| 10 | tetrachloromethane (carbon tetrachloride) | CCl4 | 153.8 | 77 | 171 | B1 |
| 11 | trichlorofluoromethane | CCl3F | 137.4 | 24 | 75 | A1 |
| 12 | dichlorodifluoromethane | CCl2F2 | 120.9 | -30 | -22 | A1 |
| 12B1 | bromochlorodifluoromethane | CBrClF2 | 165.4 | -4 | 25 | |
| 12B2 | dibromodifluoromethane | CBr2F2 | 209.8 | 25 | 77 | |
| 13 | chlorotrifluoromethane | CClF3 | 104.5 | -81 | -115 | A1 |
| 13B1 | bromotrifluoromethane | CBrF3 | 148.9 | -58 | -72 | A1 |
| 14 | tetrafluoromethane (carbon tetrafluoride) | CF4 | 88.0 | -128 | -198 | A1 |
| 20 | trichloromethane (chloroform) | CHCl3 | 119.4 | 61 | 142 | |
| 21 | dichlorofluoromethane | CHCl2F | 102.9 | 9 | 48 | |
| 22 | chlorodifluoromethane | CHClF2 | 86.5 | -41 | -41 | A1 |
| 22B1 | bromodifluoromethae | CHBrF2 | 130.9 | -15 | 5 | |
| 23 | trifluoromethane | CHF3 | 70.0 | -82 | -116 | A1 |
| 30 | dichloromethane (methylene chloride) | CH2Cl2 | 84.9 | 40 | 104 | B2 |
| 31 | cholrofluoromethane | CH2ClF | 68.5 | -9 | 16 | |
| 32 | difluoromethane (methylene fluoride) | CH2F2 | 52.0 | -52 | -62 | A2 |
| 40 | chloromethane (methyl chloride) | CH3Cl | 50.5 | -24 | -12 | B2 |
| 41 | fluoromethane (methyl fluoride) | CH3F | 34.0 | -78 | -108 | |
| 50 | methane | CH4 | 16.0 | -161 | -259 | A3 |
| 110 | hexachloroethane | CCll3CCl3 | 236.8 | 185 | 365 | |
| 111 | pentachlorofluoroethane | CCl3CCl2F | 220.3 | 135 | 275 | |
| 112 | 1,1,2,2-tetrachloro-1,2-difluoroethane | CCl2FCCl2F | 203.8 | 93 | 199 | |
| 112a | 1.1.1.2-tetrachloro-2,2-difluoroethane | CCl3CClF2 | 203.8 | 91 | 196 | |
| 113 | 1,1,2-trichloro-1,2,2-trifluoroethane | CCl2FCClF2 | 187/4 | 48 | 118 | A1 |
| 113a | 1,1,1-trichloro-2,2,2-trifluoroethane | CCl3CF3 | 187.4 | 46 | 115 | |
| 114 | 1,2-dichloro-1,1,2,2-tetrafluoroethane | CClF2CClF2 | 170.9 | 4 | 38 | A1 |
| 114a | 1,1-dichloro-1,2,2,2-tetrafluoroethane | CCl2FCF3 | 170.9 | 3 | 37 | |
| 114B2 | 1,2-dibromo 1.1.2.2-tetrafluoroethane | CBrF2CBrF2 | 259.9 | 47 | 117 | |
| 115 | chloropentafluoroethane | CClF2CF3 | 154.5 | -39 | -38 | A1 |
| 116 | hexafluoroethane | CF3CF3 | 138.0 | -78 | -109 | A1 |
| 120 | pentachloroethane | CHCl2CCl3 | 202.3 | 162 | 324 | |
| 123 | 2,2-dichloro-1,1,1-trifluoroethane | CHCl2CF3 | 153.0 | 27 | 81 | B1 |
| 123a | 1,2-dichloro-1,1,2-trifluoroethane | CHClFCClF2 | 153.0 | 28 | 82 | |
| 124 | 2-chloro-1,1,1,2-tetrafluorethane | CHClFCF3 | 136.5 | -12 | 10 | A1 |
| 124a | 1-chloro-1,1,2,2-tetrafluoroethane | CClF2CHF2 | 136.5 | -10 | 14 | |
| 125 | pentafluoroethane | CHF2CF3 | 120.0 | -49 | -56 | A1 |
| 133a | 2-chloro-1,1,1-trifluoroethane | CH2ClCF3 | 118.5 | 6 | 43 | |
| 134a | 1,1,1,2-tetrafluoroethane | CF3CH2F | 102.0 | -26 | -15 | A1 |
| 140a | 1,1,1-trichloroethane (methyl chloroform) | CCl3CH3 | 133.4 | 74 | 165 | |
| 141b | 1,1-dichloro-1-fluoroethane | CCl2FCH3 | 117.0 | 32 | 90 | |
| 142b | 1-chloro-1,1-difluoroethane | CClF2CH3 | 100.5 | -10 | 14 | A2 |
| 143a | 1,1,1-trifluoroethane | CF3CH3 | 84.0 | -47 | -53 | A2 |
| 150a | 1,1-dichloroethane | CHCl2CH3 | 99.0 | 57 | 135 | |
| 152a | 1,1-difluoroethane | CHF2CH3 | 66.0 | -25 | -13 | A2 |
| 160 | chloroethane (ethyl chloride) | CH3CH2Cl | 64.5 | 12 | 54 | |
| 170 | ethane | CH3CH3 | 30.0 | -89 | -128 | A3 |
| 216ca | 1,3-dichloro-1,1,2,2,3,3-hexafluoropropane | CClF2CF2CClF2 | 221.0 | 36 | 97 | |
| 218 | octafluoroproprane | CF3CF2CF3 | 118.0 | -37 | -35 | A1 |
| 245cb | 1,1,1,2,2-pentafluoropropane | CF3CF2CH3 | 134.0 | -18 | 0 | |
| 290 | propane | CH3CH2CH3 | 44.0 | -42 | -44 | A3 |
| C316 | 1,2-dichloro-1,2,3,3,4,4-hexafluorocyclobutane | C4Cl2F6 | 233.0 | 60 | 100 | |
| C317 | chloroheptafluorocyclobutane | C4ClF7 | 216.5 | 26 | 79 | |
| C318 | octafluorocyclobutane | C4F8 | 200.0 | -6 | 21 | A1 |
| 600 | butane | CH3CH2CH2CH3 | 58.1 | 0 | 31 | A3 |
| 600a | 2-methyl propane (isobutane) | CH(CH3)3 | 58.1 | -12 | 11 | A3 |
| 610 | ethyl ether | C2H5OC2H5 | 74.1 | 35 | 94 | |
| 611 | methyl formate | HCOOCH3 | 60.0 | 32 | 89 | B2 |
| 630 | methyl amine | CH3NH2 | 31.1 | -7 | 20 | |
| 631 | ethyl amine | C2H5NH2 | 45.1 | 17 | 62 | |
| 702 | hydrogen | H2 | 2.0 | -253 | -423 | A3 |
| 704 | helium | He | 4.0 | -269 | -452 | A1 |
| 717 | ammonia | NH3 | 17.0 | -33 | 28 | B2 |
| 718 | water | H2O | 18.0 | 100 | 212 | A1 |
| 720 | neon | Ne | 20.2 | -246 | -411 | A1 |
| 728 | nitrogen | N2 | 28.1 | -196 | -320 | A1 |
| 732 | oxygen | O2 | 32.0 | -183 | -297 | |
| 740 | argon | Ar | 39.9 | -186 | -303 | A1 |
| 744 | carbon dioxide | CO2 | 44.0 | -78 | -109 | A1 |
| 744A | nitrous oxide | N2O | 44.0 | -90 | -129 | |
| 764 | sulfur dioxide | SO2 | 64.1 | -10 | 14 | B1 |
| 1112a | 1,1-dichloro-2,2-difluoroethene | CCl2=CF2 | 133.0 | 19 | 66 | |
| 1113 | 1-chloro-1,2,2-trifluoroethene | CClF=CF2 | 116.5 | -28 | -18 | |
| 1114 | tetrafluoroethene | CF2=CF2 | 100-0 | -76 | -105 | |
| 1120 | trichloroethene | CHCl-CCl2 | 131.4 | 87 | 189 | |
| 1130 | 1,2-dichloroethene (trans) | CHCl=CHCl | 96.9 | 48 | 118 | |
| 1132a | 1,1-difluoroethene (vinylidene fluoride) | CF2=CH2 | 64.0 | -82 | -116 | |
| 1140 | 1-chloroethene (vinyl chloride) | CHCl-CH2 | 62.5 | -114 | 7 | B3 |
| 1141 | 1-fluoroethen (vinyl fluoride) | CHF=CH2 | 46.0 | -72 | -98 | |
| 1150 | ethene (ethylene) | CH2=CH2 | 28.1 | -104 | -155 | A3 |
| 1270 | propene (propylene) | CH3CH=CH2 | 42.1 | -48 | -54 | A3 |
| Zeotropes | ||||||
| 400 | R-12/114 (percent not specified) | A1/A1 | ||||
| 401A | R-22/152a/124 (53/13/34) | A1/A1 | ||||
| 401B | R-22/152a/124 (61/11/28) | A1/A1 | ||||
| 410C | R-22/152a/124 (33/15/52) | A1/A1 | ||||
| 402A | R-125/290/22 (60/2/38) | A1/A1 | ||||
| 402B | R-125/290/22 (38/2/60) | A1/A1 | ||||
| 403A | R-290/22/218 (5/75/20) | A1/A1 | ||||
| 403B | R-290/22/218 (5/56/39) | A1/A1 | ||||
| 404A | R-125/143a/134a (44/52/4) | A1/A1 | ||||
| 405A | R-22/152a/142b/C318 (45/7/5.5/42.5) | A1/A1 | ||||
| 406A | R-22/600a/142b (55/4/41) | A1/A2 | ||||
| 407A | R-32/125/134a (20/40/40) | A1/A1 | ||||
| 407B | R-32/125/134a (10/70/20) | A1/A1 | ||||
| 407C | R-32/125/134a (23/25/52) | A1/A1 | ||||
| 407D | R-32/125/134a (15/5/70) | A1/A1 | ||||
| 408A | R-125/143a/22 (7/46/47) | A1/A1 | ||||
| 409A | R-22/124/142b (60/25/15) | A1/A1 | ||||
| 409B | R-22/124/142b (65/25/10) | A1/A1 | ||||
| 410A | R-32/125 (50/50) | A1/A1 | ||||
| 410B | R-32/125 (45/55) | A1/A1 | ||||
| 411A | R-1270/22/152a (1.5/87.5/11.0) | A1/A2 | ||||
| 411B | R-1270/22/152a (3/94/3) | A1/A2 | ||||
| 412A | R-22/218/142b (70/5/25) | A1/A2 | ||||
| Azeotropes | ||||||
| 500 | R-12/152a (73.8/26.2) | -33 | -27 | A1 | ||
| 501 | R-22/12 (75/25) | -41 | -42 | A1 | ||
| 502 | R-22/115 (48.8/51.2) | -45 | -49 | A1 | ||
| 503 | R-023/13 (40.1/59.9) | -88 | -126 | |||
| 504 | R-32/115 (48.2/51.8) | -57 | -71 | |||
| 505 | R-12/31 (78/22) | -30 | -22 | |||
| 506 | R-31/114 (55.1/44.9) | -12 | 10 | |||
| 507A | R-125/143a (50/50) | -46 | -52 | A1 | ||
| 508A | R-23/116 (39/61) | -86 | -122 | A1 | ||
| 508B | R-23/116 (49/54) | -88 | -126 | A1/A1 | ||
| 509A | R-22/218 (44/56) | -47 | -53 | A1 | ||