Used as a Heat Transfer Fluid chemical Intermediate, or an intermediate for organic chemicals.

BIPHENYL (DIPHENYL)

(Heat Transfer Fluid)

Used as a Heat Transfer Fluid as an Intermediate for organic chemicals.

ISO 9001:2008 Certification Number: C2015-00069

Typical Properties

PHYSICAL PROPERTIES TEST METHOD
Appearance, liquid Colorless to straw yellow liquid VISUAL
Appearance, solid White to straw-yellow, crystalline flakes VISUAL
Auto-ignition temperature 540°C 1,000°F
Average Molecular Mass 154.2078 g/mol
Boiling point 254°C to 255°C 489.2°F to 491°F ASTM D86
Critical Pressure 34.5 ± 10 atm 507 ± 132 psia
Critical Temperature 487°C to 527°C 908.6°F to 980.6°F
Density at 25°C (77°F), solid 1,040 kg/m3 8.68 pounds/gallon ASTM D1298
Biphenyl, % purity minimum 99.5% ASTM D2887
Flash Point Pensky-Martens Closed Cup 113°C 235°F ASTM D93
Heat of Combustion, solid -4.05 x 104 ± 2 kJ/kg -1.74 x 104 ± 1 Btu/lb.
Heat of vaporization at 25°C 402 ± 65 kJ/kg 172 ± 28 Btu/lb.
Melting point / Freezing Point: 69°C to 72°C 156.2°F to 161.6°F
Moisture, ppm maximum 300 ASTM D6304
Odor threshold, ppm 0.01
Specific gravity at 25°C/25°C (77°F/77°F) 1.0 ASTM D1298
Total acid number, mgKOH/g, maximum 0.01 ASTM D664
Total chlorides, ppm maximum 10 ASTM D5194
Total sulfur, ppm maximum 10

Manufacturing Location: Batavia, IL 60147

DIPHENYL OXIDE, DPO

(Heat Transfer Fluid)

Chemical Intermediate, Heat Transfer Fluids, and/or process fluids.

ISO 9001:2008 Certification Number: C2015-00069

 

PHYSICAL PROPERTIES TEST METHOD
Appearance, liquid Colorless to straw yellow liquid VISUAL
Appearance, solid Colorless crystalline solid VISUAL
Auto-ignition temperature 618°C 1144°F
Average Molecular Mass 170 g/mol
Boiling point 258°C to 260°C 496.4°F to 500°F ASTM D86
Critical Pressure 32.5 atm 478 psia
Critical Temperature 494°C 921.2°F
Density at 25°C (77°F) 1071 kg/m3 8.937 pounds/gallon ASTM D1298
Diphenyl Oxide, % purity min 99.5% ASTM D2887
Flammable limits in air 0.8% to 1.5
Flash Point Cleveland Open Cup 65.6°F 150°F ASTM D92
Flash Point Pensky-Martens Closed Cup 115°C 239°F ASTM D93
Heat of Combustion -8,620 cal/g -15,520 Btu/lb.
Heat of vaporization at 25°C 72 cal/g 130 Btu/lb.
Melting point / Freezing Point: 25°C to 27°C 77°F to 78.8°F
Moisture, ppm maximum 300 ASTM D6304
Odor threshold 0.1 ppm
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

Manufacturing Location: Batavia, IL 60147