N,N'-Diphenylbenzidine 97%

Supplier: Thermo Scientific

Synonyms: 4,4'-Bis(phenylamino)biphenyl, N4,N4'-Diphenyl-[1,1'-biphenyl]-4,4'-diamine

117210050 117210100 117210500
ACRO117210050EA 84.4 GBP
ACRO117210050 ACRO117210100 ACRO117210500
N,N'-Diphenylbenzidine 97%
N,N'-Diphenylbenzidine
Formula: C₂₄H₂₀N₂
MW: 336,44 g/mol
Melting Pt: 246…250 °C
Storage Temperature: Ambient
MDL Number: MFCD00003016
CAS Number: 531-91-9
EINECS: 208-521-7

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Specification Test Results

Appearance Grey to brown Crystalline powder
Infrared spectrum Conforms
Melting point 246 to 250 °C
HPLC ≥96.0 %
Calcium (Ca) ≤50 ppm
Copper (Cu) ≤50 ppm
Magnesium (Mg) ≤20 ppm
Manganese (Mn) ≤500 ppm
Potassium (K) ≤20 ppm
Sodium (Na) ≤200 ppm
Zinc (Zn) ≤50 ppm
Ferric iron (Fe 3+) ≤1000 ppm (May increase due to inherent oxidation on storage)
Insoluble matter ≤0.01 %

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