N,N'-Diphenylbenzidine 531-91-9 CAS NO.531-91-9

product name: n,n'-diphenylbenzidine
synonyms: n,n'-diphenylbenzidine;n,n'-diphenyl biphenylamine;sym-diphenylbenzidine;timtec-bb sbb002946;(4),n(4')-diphenyl-biphenyl-4,4'-diamine;1’-biphenyl]-4,4’-diamine,n,n’-diphenyl-[;benzidine, n,n'-diphenyl-;diphenylbenzidine
cas: 531-91-9
mf: c24h20n2
mw: 336.43
einecs: 208-521-7
product categories: aromatic phenylacetic acids and derivatives;biphenyls (for high-performance polymer research);functional materials;reagent for high-performance polymer research;c11 to c38titration;amines;indicators;nitrogen compounds;redox indicators;c20 to c30+;analytical reagents;analytical/chromatography;building blocks;chemical synthesis;nitrogen compounds;organic building blocks;redox indicators;titration
mol file: 531-91-9.mol
n,n'-diphenylbenzidine structure
n,n'-diphenylbenzidine chemical properties
melting point 246-248 °c(lit.)
fp >110°c
sensitive light sensitive
merck 14,3319
brn 2220993
cas database reference 531-91-9(cas database reference)
nist chemistry reference [1,1'-biphenyl]-4,4'-diamine, n,n'-diphenyl-(531-91-9)
epa substance registry system [1,1'-biphenyl]- 4,4'-diamine, n,n'-diphenyl-(531-91-9)
safety information
hazard codes xi
safety statements 22-24/25
ridadr 2811
wgk germany 3
f 8
hazardclass 6.1(b)
packinggroup iii

chemical properties grey to brownish fine crystalline powder
n,n'-diphenylbenzidine preparation products and raw materials
raw materials sulfuric acid -->acetic acid glacial-->xylene-->sodium bisulfite-->potassium dichromate-->diphenylamine