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Blowing Agents  listing according to molecular or atomic weight

Page under construction. 

Many low boiling halocarbons and gases are being considered as blowing agents and as refrigerants. Below is a preliminary listing. this listing is being updated as more information becomes available. 

Number

Name

 Chemical formula CAS # MW Boiling point, °C Melting point, °C

Methane Series

10

Tetrachloromethane

 CCl4

56-23-5

 153.82 76.8 -23

11

Trichlorofluoromethane

CCl3F

75-69-4

 137.37 23.8 -111.1

12

Dichlorodifluoromethane

CCl2F2

75-71-8

 120.9 -29.8 -32

12B1

Bromochlorodifluoromethane

CBrClF2

353-59-3

 165.38 -3.3 -160

12B2

Dibromodifluoromethane

CBr2F2

75-61-6

 209.82 22.8 -101.1

13

Chlorotrifluoromethane

CClF3

75-72-9

 104.46 -81.9 -189

13B1

Bromotrifluoromethane

CF3Br

75-63-8

 148.9 -58 -168

14

Carbon tetrafluoride

CF4

75-73-0

 88.005 -130 -184

20

Trichloromethane

CHCl3

67-66-3

 119.38 61 -63.5

21

Dichlorofluoromethane

CHFCl2

75-43-4

 102.92 8.9 -135

22

Chlorodifluoromethane

CHClF2

75-45-6

 86.469 -40.9 -157

22B1

Bromodifluoromethane

CHBrF2

1511-62-2

 130.92 -14.5 -145

23

Trifluoromethane

CHF3

75-46-7

 70 -84 -160

30

Dichloromethane

CH2Cl2

75-09-2

 84.933 40 -97

31

Chlorofluoromethane

CH2FCl

593-70-4

 68.48 13*

32

Difluoromethane

CH2F2

75-10-5

 52.024 -51.6 -136

40

Chloromethane

CH3Cl

74-87-3

 50.488 -23.7 -97

41

Fluoromethane

CH3F

593-53-3

 34.03 -78.5 -114.8

50

Methane

CH4

 74-82-8 16.043 -161.6 -182.5
* estimated Joback fragmentation method modified by S.E. Stein
Number

Ethane Series

 Chemical formula CAS # MW Boiling point, °C Melting point, °C

110

Hexachloroethane

C2Cl6

67-72-1

 236.74 186.8 192

111

Pentachlorofluoroethane

C2FCl5

354-56-3

 220.29 121* -7*

112

Tetrachloro-1,2-difluoroethane

C2F2Cl4

76-12-0

 203.8 93 26

112a

1,1,1,2-Tetrachloro-2,2-difluoroethane

C2F2Cl4

76-11-9

 203.83 91 42

113

1,1,2-Trichlorotrifluoroethane

CCl2FCClF2

76-13-1

 187.38 47.5 -35

113a

1,1,1-Trichlorotrifluoroethane

CCl2FCClF2

354-58-5

 187.38 45.5 14

114

1,2 Dichlorotetrafluoroethane

CCl2FCClF2

76-14-2

 170.92 4.1 -49

114a

1,1 Dichlorotetrafluoroethane

CCl2FCClF2

374-07-2

 3

114B2

1,2-Dibromotetrafluoroethane

C2Br2F4

124-73-2

 259.82 47.3

115

1-Chloro-1,1,2,2,2-pentafluoroethane 

CClF2CF3

76-15-3

 154.47 -39 -106

116

Hexafluoroethane

C2F6

76-16-4

 138.01 -78.1 -100.6

120

Pentachloroethane

C2HCl5

76-01-7

 202.29 161

121

Tetrachlorofluoroethane

C2HFCl4

354-14-3

 185.84 116.6 -82.6

122

Trichlorodifluoroethane

C2HF2Cl3

354-21-2

 169.39 72 -141

123

2,2 Dichloro-1,1,1- trifluoroethane

CHCl2CF3

306-83-2

 152.93 27.1 -107

124

2-Chloro-1,1,1,2-tetrafluoroethane

C2HF4Cl

2837-89-0

 136.48 -11.95 -199

124a

1-Chloro-1,1,2,2-tetrafluoroethane

C2HF4Cl

354-25-6

 136.48 -10.8 -117

125

Pentafluoroethane

C2HF5

354-33-6

 120.02 -48.5 -103

130

Tetrachloroethane

C2H2Cl4

79-34-5

 167.85 143 -43

131

1,1,2-Trichloro-2-fluoroethane

C2H2FCl3

359-28-4

 151.4 102

132B

1,2-Dichloro-2,2-difluoroethane

C2H2F2Cl2

1649-08-7

 134.94 46.5 -101.2

132bB2

1,2-Dibromo-1,1-difluoroethane

 C2H2Br2F2

75-82-1

 223.84 93.5 -61

133a

1-Chloro-2,2,2-trifluoroethane

C2H2F3Cl

75-88-7

 118.49 19* -127

134

1,1,2,2-Tetrafluoroethane

 C2H2F4 359-35-3 102.03 -60* -189*

134a

1,1,1,2-Tetrafluoroethane

CF3CH2F

811-97-2

 102.03 -26.5 -101

140a

1,1,1-Trichloroethane

C2H3Cl3

71-55-6

 133.40 74 --35

141B2

1,2-Dibromo-1-fluoroethane

C2H3Br2F

358-97-4

 203.86 110* -39*

141b

1,1-Dichloro-1-fluoroethane

C2H3FCl2

1717-00-6

 116.95 32 -103

142b

Chlorodifluoroethane

C2H3F2Cl

75-68-3

 100.5 -9 -131

143a

Trifluoroethane

C2H3F3

420-46-2

 84.04 -47 -111

152a

1,1,-Difluoroethane

C2H4F2

75-37-6

 66 -24.7 -117

160

Chloroethane

C2H5Cl

75-00-3

 64.52 12.3 -139

170

Ethane

C2H6

 74-84-0 30.069 -88.7 -183.3
* estimated Joback fragmentation method modified by S.E. Stein
Number

Propane Series

 Chemical formula CAS # MW Boiling point, °C Melting point, °C

200a

211

1,1,1,2,2,3,3-heptachloro-3-fluoro-propane

C3FCl7

 422-78-6 303.2 190** 67.2**

212

1,1,1,3,3,3-Hexachloro-2,2-difluoropropane

C3F2Cl6

 3182-26-1 286.75 159** 388**

213

1,1,1,3,3-pentachloro-2,2,3-trifluoro-propane

C3F3Cl5

 2354-06-5 270.29 125** 9**

214

Tetrachlorotetrafluoropropane

C3F4Cl4

 29255-31-0 253.84 90** -21**

215

1,2,3-Trichloro-1,1,2,3,3-pentafluoropropane

C3F5Cl3

 76-17-5 237.38 53** -50**

216

1,2-Dichloro-1,1,2,3,3,3-hexafluoropropane

C3F6Cl2

 661-97-2 220.93 13 ** -79**

1216

1,1,2,3,3,3-Hexafluoropropene

C3F6

116-15-4

 150.02 -26** -177**

Hexafluoropropene trimer

[C3F6]3

6792-31-0

 450.06 112 **

217

Monochloroheptafluoropropane

C3F7Cl

 -28 ** -109 **

218

1,1,1,2,2,3,3,3-octafluoropropane

C3F8

76-19-7

 188.02 -36.7 -147.7

221

1,1,1,2,2,3-hexachloro-3-fluoro-propane

C3HFCl6

 422-26-4 268.76 ** **

222

Pentachlorodifluoropropane

C3HF2Cl5

 134237-35-7 144 ** -9 **
116867-32-4

223

1,1,2,3-Tetrachloro-1,3,3-trifluoropropane

C3HF3Cl4

 431-83-4 235.85 123 ** -39 **

224

1,3,3-Trichloro-1,1,2,2-tetrafluoropropane

C3HF4Cl3

 422-54-8 219.39 88 ** -68 **

225CA

1,1-Dichloro-2,2,3,3,3-pentafluoropropane

C3HF5Cl2

 422-56-0 202.94 54 -97 **

225CB

1,3-Dichloro-1,1,2,2,3-pentafluoropropane

C3HF5Cl2

 507-55-1 202.94 54 -97 **

226

Chlorohexafluoropropane  C3HF6Cl 134308-72-8 186.48 -4 ** -127 **
28987-04-4

226cb

 1-Chloro-1,1,2,2,3,3-hexafluoropropane

C3HF6Cl

 422-55-9 186.48 -4 ** -127 **

227ca

 1,1,1,2,2,3,3-Heptafluoropropane C3HF7

2252-84-8

 170.03 -16.5 -131

227ea

1,1,1,2,3,3,3-Heptafluoropropane

C3HF7

431-89-0

 170.03 -16.5 -131

231

1,1,1,2,3-Pentachloro-2-fluoropropane

C3H2FCl5

 421-94-3 234.31 167 ** 5 **

232

1,1,1,3-Tetrachloro-3,3-difluoropropane

C3H2F2Cl4

 460-89-9 217.86

233

1,1,1-Trichloro-3,3,3-trifluoropropane

C3H2F3Cl3

 7125-84-0 201.40

234

1,2-Dichloro-1,2,3,3-tetrafluoropropane

C3H2F4Cl2

 425-94-5 184.95

235fa

1-Chloro-1,1,3,3,3-pentafluoropropane

C3H2F5Cl

 460-92-4 168.49 -1.4 -93.6

236cb

 1,1,1,2,2,3-Hexafluoropropane C3H2F6

677-56-5

 152.04

236ea

 1,1,1,2,3,3-Hexafluoropropane C3H2F6

431-63-0

 152.04

236fa

1,1,1,3,3,3-Hexafluoropropane

CF3CH2CF3

690-39-1

 152.04

241

1,1,2,3-Tetrachloro-1-fluoropropane

C3H3FCl4

 666-27-3 199.87

242

1,3,3-Trichloro-1,1-difluoropropane

C3H3F2Cl3

 460-63-9 183.41

243

3,3-Dichloro-1,1,1-trifluoropropane

C3H3F3Cl2

 460-69-5 166.96

244

3-Chloro-1,1,2,2-tetrafluoropropane

C3H3F4Cl

 134190-50-0 150.50
679-85-6

245ca

1,1,2,2,3-Pentafluoropropane

CHF2CF2CH2F

679-86-7

 134.05

245cb

 1,1,1,2,2-Pentafluoropropane C3H3F5

1814-88-6

 134.05 -17.4

245ea

 1,1,2,3,3-Pentafluoropropane C3H3F5

24270-66-4

 134.05

245eb

1,1,1,2,3-Pentafluoropropane

C3H3F5

431-31-2

 134.05

245fa

 1,1,1,3,3-Pentafluoropropane

C3H3F5

460-73-1

 134.05 15.28 -160

251

Trichlorofluoropropane

C3H4FCl3

 421-41-0 165.4

252

1,3-Dichloro-1,1-difluoropropane

C3H4F2Cl2

 819-00-1 148.97

253

Chlorotrifluoropropane

C3H4F3Cl

 26588-23-8 132.51

254cb

 1,1,2,2-Tetrafluoropropane C3H4F4

40723-63-5

 116.06

261

Dichlorofluoropropane (9 isomer)

C3H5FCl2

 7799-56-6 130.98

262

2-Chloro-1,3-difluoropropane

C3H5F2Cl

 134190-53-7 114.52
102738-79-4

271

2-Chloro-2-fluoropropane

C3H5FCl

 134190-54-8 96.53
420-44-0

290

Propane

C3H8

 74-98-6 44.10 -44.5 -188
Number

Cyclic Organic Compounds

 Chemical formula CAS # MW Boiling point, °C Melting point, °C

C316

1,2-Dichlorohexafluorocyclobutane

C4Cl2F6

356-18-3

 232.94

C317

Chloroheptafluorocyclobutane

C4ClF7

377-41-3

C318

1,1,2,2,3,3,4,4-Octafluorocyclobutane

C4F8

115-25-3

 200.03 -6 -39
* estimated Joback fragmentation method modified by S.E. Stein
Number Perfluorocarbons Chemical formula CAS # MW Boiling point, °C Melting point, °C

356mcf

 1,1,1,3,3-Pentafluorobutane C4H5F5 406-58-6 148.07 40

356mffm

 1,1,1,4,4,4-Hexafluorobutane C4H4F6 407-59-0 166.07 25

347ccd

 1,1,1,2,2,3,3-Heptafluorobutane C4H3F7

662-00-0

 184.06 15.1 -124.9

338eea

 1,1,1,2,3,4,4,4-Octafluorobutane C4H2F8

75995-72-1

 202.05 25.4 -91.5

338mee

1H,4H-Octafluorobutane C4H2F8 377-36-6 202.05 44.8

329ccb

 1,1,1,2,2,3,3,4,4-Nonafluorobutane C4HF9

375-17-7

 220.04 15 -122

Perfluorohexane

CF3(CF2)4CF3

355-42-0

 338

(Tetradecafluorohexane) above
Number

Zeotropes  (wt %)

 Chemical formula CAS # MW Boiling point, °C Melting point, °C

400

R-12/R-114 (60/40)

binary blend

401A

R-22/R-152a/R-124(53/13/34)

401B

R-22/R-152a/R-124(61/11/28)

401C

R-22/R-152a/R-124(33/15/52)

402A

R-22,R-290, R-125(60/02/38)

402B

R-22, R-290, R-125(38/02/60)

403A

R-290/R-22/R-218(05/75/20)

403B

R-290/R-22/R-218(05/56/39)

404A

R-125/R-143a/R-134a(44/52/04

405A

R-22/R-152a/R-142b/R-C318(45/7/5.5/42.5

406A

R-22/R-600a/R-142b(55/04/41)

407A

R-32/R-125/R-134a(20/40/40)

407B

R-32/R-125/R-134a(10/70/20

407C

R-32/R-125/R-134a

408A

R-22/R-143a(45/55)

409A

R-22,R-124,R-142b

410A

HFC32/HFC125(50/50)

410B

HFC32/HFC125(45/55)

411A

R-1270/R-22/R-152a (1.5/87.5/11)

411B

R-1270/R-22/R-152a (3/94/3)

412A

R-22/R-218/R-142b(70/5/25)

414A

R-22/R124/600a/142a(51/28.5/4.0/16.5)

414B

R22/124/600a/142b(50/39/1.5/9.5)
Number

Azeotropes (wt %)

 Chemical formula CAS # MW Boiling point, °C Melting point, °C

500

R-12/152a (73.8/26.2 % by mass

501

R-22/R-12(75/25)

502

R-22/115 (48.8/51.2%)

503

R-23/13 (40.1/59.9 %)

504

R-32/R-115(48.2/51.8)

505

R-12/R-31(78/22)

506

R-31/R-114(55.1/44.9)

507

R-125/R-143a/R-134a

508

R-23/R-116 (39/61)

509

R-22/R218(44/56)
Number

Miscellaneous Compounds

 Chemical formula CAS # MW Boiling point, °C Melting point, °C

600

Butane

CH3CH2CH2CH3

 106-97-8 58.124 -0.5 -138.3

600a

Methylpropane (isobutane)

(CH3)2CH2CH3

 75-28-5 58.124 -11.72 -159.6

610

Ethyl Ether

C2H5OC2H5

 60-29-7 74.12 34.85 -116.15

611

Methyl Formate

C2H4O2

 107-31-3 60.05 31.7 -99

630

Methyl Amine

CH3NH2

 74-89-5 31.06 -6.3 -93.4

631

Ethyl Amine

C2H5NH2

 75-04-7 45.08 16.5 -80.5

702

Hydrogen

H2

 1333-74-0 2.016 -253.1 -259.1

704

Helium

He

 7440-59-7 4.00 -268.95 -272.2

717

Ammonia

NH3

 7664-41-7 17.03 -33.15 -78.15

718

Water

H2O

 7732-18-5 18.01 0 100

720

Neon

Ne

 7440-01-9 20.18 -246.95

728

Nitrogen

N2

 7727-37-9 28.01 -196.15 -210.15

732

Oxygen

O2

 7782-44-7 32.0 -183.15 -219.15

740

Argon

Ar

 7440-37-1 39.95 -185.75

744

Carbon Dioxide

CO2

 124-38-9 44.01 -78.5***

744A

Nitrous Oxide

N2O

 10024-97-2 44.01 -88.45 -91

764

Sulfur Dioxide

SO2

 7446-09-5 64.06 -10.1 -76
Xenon Xe****  7440-63-3 131.1 -108.1 -111.8
Number Ethylene Series Chemical formula CAS # MW Boiling point, °C Melting point, °C

1112a

1,1-Dichloro-2,2-difluoroethylene

 C2Cl2F2 79-35-6 132.9 19

1113

Chlorotrifluoroethylene

 C2ClF3 79-38-9 116.47 -28 -158

1114

Tetrafluoroethylene

1120

Trichloroethylene

1130

cis-1.2 Dichloroethylene

1132

1,1-Difluoroethylene

1140

Chloroethylene

1141

Fluoroethylene
Number Bromine Series Chemical formula CAS # MW Boiling point, °C Melting point, °C

1211

Bromochlorodifluoromethane

CF2ClBr

1270

Propylene

1301

Bromotrifluoromethane

CF3Br

2402

Dibromotetrafluoroethane

C2F4Br2
Key
* estimated Joback fragmentation method modified by S.E. Stein
** calculated using CambridgeSoft Chem3D Ultra version 9.0.1 Thermodynamic Software
***Sublimation
****Atomic weight

Last edited on:

 November 20, 2006

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