1,5-Diphenylcarbazide, CAS No. 140-22-7

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140-22-7

Catalog No. EBD53044

CAS 140-22-7

Name 1,5-Diphenylcarbazide

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Basic Information

Synonyms: 1,5-Diphenylcarbohydrazide 1,5-Diphenylcarbazide 1,5-diphenylcabohydrazide 1,5-diphenyl-carbohydrazid 1,5-diphenylcarbohydrazine 2,2’-diphenylcarbazide 2,2’-diphenyl-carbonicdihydrazid 2,2’-diphenylcarbonicdihydrazide 2,2’-diphenyl-carbonicdihydrazide 2,2’-diphenylcarbonicdihy-drazide sym-Diphenylcarbazide Diphenylcarbazide

Molecular Formula: C13H14N4O

Molecular Weight: 242.28

MDL Number: MFCD00003013

Categories: Materials Chemistry > Optoelectronic and Organic Semiconductor Materials > OLED and Organic Optoelectronic Precursors Synthetic Chemistry > Organic Building Blocks > Oximes and Hydrazones

Product Description:

1,2-Diphenyl-1,2-ethanedione dioxime, commonly known as benzil dioxime, is an organic compound with the molecular formula C₁₄H₁₂N₂O₂. It is a white to off-white crystalline powder derived from the oximation of benzil (1,2-diphenylethane-1,2-dione). The molecule features two oxime (-C=N-OH) functional groups, which are versatile coordination sites. Its primary industrial application is as a key intermediate in the synthesis of high-performance organic electronic materials. Specifically, it serves as a crucial precursor for manufacturing oxadiazole-based compounds, which are widely used as electron-transporting materials (ETMs) and host materials in organic light-emitting diodes (OLEDs). These materials are essential for improving device efficiency and stability. Beyond its role in materials science, benzil dioxime is also utilized as a classic analytical reagent in inorganic chemistry for the gravimetric determination and spectrophotometric detection of nickel and palladium ions, forming highly colored chelate complexes. It is considered an irritant and should be handled with appropriate personal protective equipment.

Physical Properties

Melting Point: 170-175 °C(lit.)

Density: 1.292 g/cm3

Storage: 2-8°C

Analytical Data

Appearance: white crystals or powder