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725-12-2

725-12-2 Structure

725-12-2 Structure
IdentificationMore
[Name]

2,5-DIPHENYL-1,3,4-OXADIAZOLE
[CAS]

725-12-2
[Synonyms]

2,5-BISPHENYL-1,3,4-OXADIAZOLE
2,5-DIPHENYL-1,3,4-OXADIAZOLE
PPD
1,3,4-Oxadiazole, 2,5-diphenyl-
2,5-Diphenyloxadiazole
4-oxadiazole,2-5-diphenyl-3
PPD (Scintillator)
2,5-Diphenyl-1,3,4-oxadiazol
2,5-DIPHENYL-1,3,4-OXADIAZOLE, FOR SCINT ILLATION
3-(Diphenylamino)dibenzo[g,p]chrysene
3-DPADBC
[EINECS(EC#)]

211-968-0
[Molecular Formula]

C14H10N2O
[MDL Number]

MFCD00003102
[Molecular Weight]

222.24
[MOL File]

725-12-2.mol
Chemical PropertiesBack Directory
[Appearance]

white powder
[Melting point ]

138-140 °C(lit.)
[Boiling point ]

231 °C13 mm Hg(lit.)
[density ]

1.1400 (rough estimate)
[refractive index ]

1.6500 (estimate)
[Fp ]

231°C/13mm
[storage temp. ]

Store below +30°C.
[solubility ]

chloroform: 0.1 g/mL, clear
[form ]

Powder
[pka]

-5.04±0.32(Predicted)
[color ]

White
[BRN ]

170385
[CAS DataBase Reference]

725-12-2(CAS DataBase Reference)
Safety DataBack Directory
[Hazard Codes ]

Xn,Xi
[Risk Statements ]

R22:Harmful if swallowed.
R36/37/38:Irritating to eyes, respiratory system and skin .
[Safety Statements ]

S22:Do not breathe dust .
S24/25:Avoid contact with skin and eyes .
S36/37:Wear suitable protective clothing and gloves .
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
[WGK Germany ]

3
[RTECS ]

RO0802500
[HS Code ]

29349990
Raw materials And Preparation ProductsBack Directory
[Raw materials]

Ethanol-->Phosphorus oxychloride-->Sodium bicarbonate-->Phosphoric acid-->Phosphorus pentoxide-->Benzoic acid-->Hydrazine monohydrochloride
Hazard InformationBack Directory
[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.]
Spectrum DetailBack Directory
[Spectrum Detail]

2,5-DIPHENYL-1,3,4-OXADIAZOLE(725-12-2)MS
2,5-DIPHENYL-1,3,4-OXADIAZOLE(725-12-2)1HNMR
2,5-DIPHENYL-1,3,4-OXADIAZOLE(725-12-2)13CNMR
2,5-DIPHENYL-1,3,4-OXADIAZOLE(725-12-2)IR1
2,5-DIPHENYL-1,3,4-OXADIAZOLE(725-12-2)IR2
2,5-DIPHENYL-1,3,4-OXADIAZOLE(725-12-2)Raman
Well-known Reagent Company Product InformationBack Directory
[Acros Organics]

2,5-Diphenyl-1,3,4-oxadiazole, 97%(725-12-2)
[Alfa Aesar]

2,5-Diphenyl-1,3,4-oxadiazole, 97%(725-12-2)
[Sigma Aldrich]

725-12-2(sigmaaldrich)
[TCI AMERICA]

2,5-Diphenyl-1,3,4-oxadiazole,>98.0%(LC)(725-12-2)
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