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Technical Data Sheet
Diphenyl Oxide, Refined

Key Attributes
  • High boiling point
  • High flash point
  • High purity
  • High solvency
  • High thermal stability
  • Low polarity
  • Low reactivity
  • Noticeable odor

Product Description
Applications for diphenyl oxide fluid include process media, raw materials, or solvents in many industries, including chemicals, fragrances, and petrochemicals.

Typical Properties

PropertyTest MethodTypical Value, Units
     Above 26°C (79°F) Clear colorless liquid
     Below 26°C (79°F) White solid
Composition Diphenyl Oxide
Molecular Weight (Average) 170
     @ 25°C (77°F) 1.02 g/ml (8.46 lb/gal)
Copper CorrosionASTM D849Pass-1 A
Bromine IndexASTM D2710<100
Flash PointASTM D92115 °C (239 °F)
Aniline PointASTM D61121.5 °C (71 °F)
Water solubility 
     @ 25°C (77°F) 14 mg/L
Moisture Content 150 ppm, max
Autoignition TemperatureASTM E659618 °C (1144 °F)
Fire PointASTM D92124 °C (255 °F)
Viscosity, Kinematic 
     @ 38°C (100°F) 2.58 cSt
Normal Boiling Point 258 °C (497 °F)
Vapor Pressure 
     @ 93°C (200°F) 0.00614 kPa (0.00089 psia)
Freezing Point 26 °C (79 °F)

Properties reported here are typical of average lots. Eastman makes no representation that the material in any particular shipment will conform exactly to the values given.

Eastman and its marketing affiliates shall not be responsible for the use of this information, or of any product, method, or apparatus mentioned, and you must make your own determination of its suitability and completeness for your own use, for the protection of the environment, and for the health and safety of your employees and purchasers of your products. No warranty is made of the merchantability of fitness of any product, and nothing herein waives any of the Seller's conditions of sale.

11/5/2020 3:56:46 PM