Dibenzofuran

CAS Number
132-64-9
EC Number
205-071-3
Abbreviation
DBF

What is Dibenzofuran?

Dibenzofuran (CAS 132-64-9), also known as diphenylene oxide or DBF, is a polycyclic heterocyclic compound used as a reference material and chemical intermediate in flavor and fragrance development.

Where is Dibenzofuran used?

  • Flavor and fragrance: synthetic intermediate for targeted aroma compounds in fine fragrance and flavor systems
  • Cosmetics: precursor for specialty fragrance ingredients in personal care products
  • Quality control laboratories: analytical reference standard for polycyclic aromatic compounds in food and cosmetic matrices
  • Research and specialty chemicals: scaffold for synthesizing heterocyclic derivatives with defined sensory or functional profiles
  • Its fused aromatic structure makes it a building block in the synthesis of specialty aroma chemicals and functional organic compounds.

Commercial specifications

  • Technical grade and high-purity grades for research, reference standard, and synthesis applications
  • Packaging from small laboratory quantities to bulk industrial orders

Other Names (Synonyms)

DBF|Dibenzo[b,d]furan|diphenylene oxide|2,2'-Biphenylene oxide|2,2'-Biphenylylene oxide|Dibenzol(b,d)furan|(1,1'-Biphenyl)-2,2'-diyl oxide

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What are the physical properties of Dibenzofuran?

Melting Point 86.5 °C
Boiling Point 287 °C @ Press: 760 Torr
Density 1.0886 g/cm³ @ Temp: 99 °C
Flash Point 130 °C
Appearance Dibenzofuran is a white crystalline powder.
Color White to Almost white
Form neat
Water Solubility <0.1 g/100 mL at 20 ºC
Vapor Pressure 2.48 x 10 -3 mmHg at 25 °C (Chirico et al., 1990)
Refractive Index 1.6480

How is Dibenzofuran classified and handled safely? Learn More

GHS09· Environmental Hazard

Hazard Statements

H411 Toxic to aquatic life with long lasting effects

Precautionary Statements

P273 Avoid release to the environment.
P391 Collect spillage.
P501 Dispose of contents/container in accordance with local regulations.

Which trade and regulatory codes apply to Dibenzofuran?

HS Code 29329995
UN Number 3077
WGK (Germany) 3
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