| Appearance, liquid |
Colorless to straw yellow liquid |
VISUAL |
| Appearance, solid |
Colorless crystalline solid |
VISUAL |
| Auto-ignition temperature |
618°C1144°F |
-- |
| Average Molecular Mass |
170 g/mol |
-- |
| Boiling Point |
258°C to 260°C496.4°F to 500°F |
ASTM D86 |
| Critical Pressure |
32.5 atm478 psia |
-- |
| Critical Temperature |
494°C921.2°F |
-- |
| Density at 25°C (77°F) |
1,071 kg/m38.937 pounds/gallon |
ASTM D1298 |
| Diphenyl Oxide, % purity min |
99.5% |
ASTM D2887 |
| Flamable limits in air |
0.8% to 1.5 |
-- |
| Flash Point Cleveland Open Cup |
65.6°F150°F |
ASTM D92 |
| Flash Point Pensky-Martens Closed Cup |
115°C239°F |
ASTM D93 |
| Heat of Combustion |
-8,620 cal/g-15,520 Btu/lb |
-- |
| Heat of vaporization at 25°C |
72 cal/g130 Btu/lb |
-- |
| Melting Point / Freezing Point |
25°C to 27°C77°F to 78.8°F |
-- |
| Moisture, ppm maximum |
300 |
ASTM D6304 |
| Odor threshold |
0.01 |
-- |
| Specific gravity at 25°C/25°C (77°F/77°F) |
1.071 |
ASTM D1298 |
| Total acid number, mgKOH/g, maximum |
0.01 |
ASTM D664 |
| Total chlorides, ppm maximum |
10 |
ASTM D5194 |