Page 357 - Applied Process Design For Chemical And Petrochemical Plants Volume III

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314 Applied Process Design for Chemical and Petrochemical Plants

Table 11-3B
Refrigerant Data and Safety Classifications

The following tables replace Tables 1 and 2 of ANSI/ASHRAE 34-1992. The details as to which addendum contained which changes are outlined in
the foreword.
Normal
Refrigerant Chemical Chemical Molecular Boiling Point a Safety
o
o
Number Name a,b Formula a Mass a ( C) ( F) Group
Methane Series
10 tetrachloromethane (carbon tetrachloride) CCl 4 153.8 77 171 B1
11 trichlorofluoromethane CCl 3 F 137.4 24 75 A1
12 dichlorodifluoromethane CCl 2 F 2 120.9 30 22 A1
12B1 bromochlorodifluoromethane CBrClF 2 165.4 4 25
12B2 dibromodifluoromethane CBr 2 F 2 209.8 25 77
13 chlorotrifluoromethane CClF 3 104.5 81 115 A1
13B1 bromotrifluoromethane CBrF 3 148.9 58 72 A1
14 tetrafluoromethane (carbon tetrafluoride) CF 4 88.0 128 198 A1
20 trichloromethane (chloroform) CHCl 3 119.4 61 142
21 dichlorofluoromethane CHCl 2 F 102.9 9 48 B1
22 chlorodifluoromethane CHClF 2 86.5 41 41 A1
22B1 bromodifluoromethane CHBrF 2 130.9 15 5
23 trifluoromethane CHF 3 70.0 -82 116 A1
30 dichloromethane (methylene chloride) CH 2 Cl 2 84.9 40 104 B2
31 chlorofluoromethane CH 2 ClF 68.5 -9 16
32 difluoromethane (methylene fluoride) CH 2 F 2 52.0 52 62 A2
40 chloromethane (methyl chloride) CH 3 Cl 50.5 24 12 B2
41 fluoromethane (methyl fluoride) CH 3 F 34.0 78 108
50 methane CH 4 16.0 161 259 A3
Ethane Series
110 hexachloroethane CCl 3 CCl 3 236.8 185 365
111 pentachlorofluoroethane CCl 3 CCl 2 F 220.3 135 275
112 1,1,2,2-tetrachloro-1,2-difluoroethane CCl 2 FCCl 2 F 203.8 93 199
112a 1,1,1,2-tetrachloro-2,2-difluoroethane CCl 3 CClF 2 203.8 91 196
113 1,1,2-trichloro-1,2,2-trifluoroethane CCl 2 FCClF 2 187.4 48 118 A1
113a 1,1,1-trichloro-2,2,2-trifluoroethane CCl 3 CF 3 187.4 46 115
114 1,2-dichloro-1,1,2,2-tetrafluoroethane CClF 2 CClF 2 170.9 4 38 A1
114a 1,1-dichloro-1,2,2,2-tetrafluoroethane CCl 2 FCF 3 170.9 3 37
114B2 1,2-dibromo1,1,2,2-tetrafluoroethane CBrF 2 CBrF 2 259.9 47 117
115 chloropentafluoroethane CClF 2 CF 3 154.5 39 38 A1
116 hexafluoroethane CF 3 CF 3 138.0 78 109 A1
120 pentachloroethane CHCl 2 CCl 3 202.3 162 324
123 2,2-dichloro-1,1,1-trifluoroethane CHCl 2 CF 3 153.0 27 81 B1*
123a 1,2-dichloro-1,1,2-trifluoroethane CHClFCClF 2 153.0 28 82
124 2-chloro-1,1,1,2-tetrafluoroethane CHClFCF 3 136.5 12 10 A1*
124a 1-chloro-1,1,2,2-tetrafluoroethane CClF 2 CHF 2 136.5 10 14
125 pentafluoroethane CHF 2 CF 3 120.0 49 56 A1*
133a 2-chloro-1,1,1-trifluoroethane CH 2 ClCF 3 118.5 6 43
134a 1,1,1,2-tetrafluoroethane CF 3 CH 2 F 102.0 26 15 A1*
140a 1,1,1-trichloroethane (methyl chloroform) CCl 3 CH 3 133.4 74 165
141b 1,1-dichloro-1-fluoroethane CCl 2 FCH 3 117.0 32 90
142b 1-chloro-1,1-difluoroethane CClF 2 CH 3 100.5 10 14 A2
143a 1,1,1-trifluoroethane CF 3 CH 3 84.0 47 53 A2
150a 1,1-dichloroethane CHCl 2 CH 3 99.0 57 135
152a 1,1-difluoroethane CHF 2 CH 3 66.0 25 13 A2
160 chloroethane (ethyl chloride) CH 3 CH 2 Cl 64.5 12 54
170 ethane CH 3 CH 3 30.0 89 128 A3
a The chemical name, chemical formula, molecular mass, and normal boiling point are not part of this standard.
b The preferred chemical name is followed by the popular name in parentheses.
c Unclassified refrigerants indicate either insufficient data to classify or no formal request for classification.
d Held open for future use, formerly used as an indicator of the provisional status of safety classifications.
e Sublimes.
* Indicates removal of provisional status of the classification.
(Continued on pages 315 and 316)