|
SECTION
8 PHYSICAL
AND CHEMICAL PROPERTIES |
|
1 |
Name |
CARBON DIOXIDE |
|
2 |
Formula |
CO2 |
|
3 |
CAS Number |
124-38-9 |
|
4 |
Molecular Weight |
44.01 |
|
5 |
Melting point |
194.7 K , -78.45
C , -109.21 F |
|
6 |
Boiling point
@ 101.325 kPa (1 atm) |
216.58 K , -56.57
C , -69.83 F |
|
7 |
Critical Temperature |
304.19 K , -31.04
C , -87.87 F |
|
8 |
Critical Pressure |
73.82 bar , 72.85
atm , 1070.67 psia |
|
9 |
Critical Volume |
94 cm3/mol |
|
10 |
Critical Density |
0.4682 g/cm3 |
|
11 |
Critical Compressibility
Factor |
0.274 |
|
12 |
Acentric Factor |
0.228 |
|
13 |
Density of Liquid
@ 25 C |
0.713 g/cm3 |
|
14 |
Coefficient of
thermal Expansion of Liquid @ 25 C |
0.02066 1/C |
|
15 |
Surface Tension
@ 25 C |
0.57 dynes/cm |
|
16 |
Density of Gas
@ 1 atm and 70 F (21.1 C) |
1.823 kg/m3 ,
0.1138 lb/ft3 |
|
17 |
Relative Density
of Gas @ 1 atm and 70 F (Air =1) |
1.52 |
|
18 |
Enthalpy of Vaporization
@ Boiling Point |
- |
|
19 |
Enthalpy of Fusion
@ Melting Point |
204.93 kJ/kg ,
88.12 BTU/lb |
|
20 |
Heat Capacity
of Gas @ 25 C , Constant Pressure (CP) |
0.873 kJ/(kg K)
, 0.209 BTU/(lb R) |
|
21 |
Heat Capacity
of Gas @ 25 C , Constant Volume (CV) |
0.684 kJ/(kg K)
, 0.163 BTU/(lb R) |
|
22 |
Ratio of Heat
Capacities for Gas , CP/CV |
1.276 |
|
23 |
Heat capacity
of Liquid @ 7 C |
3.048 kJ/(kg K)
, 0.728 BTU/(lb R) |
|
24 |
Heat capacity
of Solid @ -103 C |
1.1 kJ/(kg K )
, 0.263 BTU/(lb R) |
|
25 |
Entropy of Gas
@ 25 C |
213.69 J/(mol
K) |
|
26 |
Entropy of Formation
of Gas @ 25 C |
3.02 J/(mol K) |
|
27 |
Enthalpy of Formation
of Gas @ 25 C |
-393.5 kJ/mol |
|
28 |
Gibbs Energy of
Formation of Gas @ 25 C |
-394.4 kJ/mol |
|
29 |
Solubility Parameter |
14.564 (J/cm3)^0.5 |
|
30 |
Liquid Volume
|
37.278 cm3/mol |
|
31 |
Solubility in
Water @ 25 C |
1950 parts per
million (wt) |
|
32 |
Octanol-Water
Partition Coefficient , log KOW |
-1.33 |
|
33 |
Henry's Law Constant
for Compound in Water @ 25 C |
1635.2 atm/mol
fraction |
|
34 |
Viscosity of Gas
@ 25 C |
150.5 micropoise |
|
35 |
Viscosity of Liquid
@ -270 C |
0.064 centipoise |
|
36 |
Thermal Conductivity
of Gas @ 25 C |
0.01653 watts/(m
K) |
|
37 |
Thermal Conductivity
of Liquid @ -270 C |
0.0784 watts/(m
K) |
|
38 |
Lower Explosion
Limit in Air |
- |
|
39 |
Upper Explosion
Limit in Air |
- |
|
40 |
Flash Point Temperature |
- |
|
41 |
Autoignition Temperature |
- |
|
42 |
Enthalpy of Combustion
@ 25 C (77 F) |
- |
|
43 |
Threshold Limit
Value (ACGIH) |
5000 parts per
million (vol) |
|
44 |
Permissible Exposure
Limit (OSHA) |
5000 parts per
million (vol) |
|
45 |
Recommended Exposure
Limit (NIOSH) |
5000 parts per
million (vol) |