2,5-DIPHENYL-1,3,4-OXADIAZOLE Chemical Properties

Melting point:

138-140 °C(lit.)

Boiling point:

231 °C13 mm Hg(lit.)

Density 

1.1400 (rough estimate)

refractive index 

1.6500 (estimate)

Flash point:

231°C/13mm

storage temp. 

Store below +30°C.

solubility 

chloroform: 0.1 g/mL, clear

pka

-5.04±0.32(Predicted)

form 

Powder

color 

White

BRN 

170385

CAS DataBase Reference

725-12-2(CAS DataBase Reference)

Safety Information

Hazard Codes 

Xn,Xi

Risk Statements 

22-36/37/38

Safety Statements 

22-24/25-36/37-26

WGK Germany 

3

RTECS 

RO0802500

HS Code 

29349990

MSDS

• Language:English Provider:SigmaAldrich
• Language:English Provider:ACROS
• Language:English Provider:ALFA

2,5-DIPHENYL-1,3,4-OXADIAZOLE Usage And Synthesis

Chemical Properties

white powder

Synthesis Reference(s)

Journal of Heterocyclic Chemistry, 14, p. 1089, 1977 DOI: 10.1002/jhet.5570140631
The Journal of Organic Chemistry, 27, p. 1465, 1962 DOI: 10.1021/jo01051a523

Purification Methods

Its solubility in CHCl3 is 10%. Crystallise it from EtOH and sublime it in vacuo.[Beilstein 27 III/IV 2712.]

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