 |
 |
|
|
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|
|
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|
| DIMETHYL FORMAMIDE |
| MOLECULAR WEIGHT |
73.09 |
BOILING POINT (760 mm Hg),
°C
°F |
153
307 |
FREEZING POINT,
°C
°F |
-61
-78 |
VAPOR PRESSURE, 25 o C(77°F),
mm Hg
psia
kPa |
3.7
0.07
0.49 |
0.8
0.15
1.07 |
|
DENSITY,20 °C(68 °F)
g/mL (Mg/m 3
lb/gal |
0.949
7.92 |
VISCOSITY, 25 °C(77 °F),
cP (mPa.s) |
0.802 |
| SURFACE TENSION,25 °C(77°F),dyn/cm(mN/m) |
35.2 |
| REFRACTIVE INDEX,n D 25 |
1.4279 |
HEAT OF VAPORIZATION,150°C(302 °F),
cal/g
Btu/lb
kJ/kg |
138
248
577 |
HEAT OF COMBUSTION (LIQUID DMF TO GASEOUS
CO 2 and N 2 AND LIQUID H 2 O,at 25 °C)
cal/g
Btu/lb
kJ/kg |
-6,349
-11,428
-26,565 |
SPECIFIC HEAT, LIQUID,20°C(68 °F)
cal/g o C(Btu/lb°F)
kJ/kg.K |
0.49
2.050 |
FLASH POINT (TOC),
°C
°F |
67
153 |
(TCC)
°C
°F |
58
136 |
AUTOIGNITION TEMPERATURE,
°C
°F |
445
833 |
FLAMMABILITY LIMITS IN AIR, vol%
LOWER,100°C(212°F)
UPPER,100°C(212°F) |
2.2
15.2 |
CRITICAL TEMPERATURE,
°C
°F |
370
698 |
CRITICAL PRESSURE,
atm
Mpa |
43.5
4.41 |
| DIELECTRIC CONSTANT,€,10 kHz, 25 o C(77°F) |
36.7 |
| DIPOLE MOMENT, µ,20 o C(68°F),Debye units |
3.82 |
| SOLUBILITY PARAMETER, ð |
12.1 |
| HYDROGEN-BONDING INDEX, y |
6.4 |
AZEOTROPES,BOILING POINT (760 mm Hg) 69 DMF;
31 FORMIC ACID BY WT,
°C
°F |
162
324 |
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