n,n'-diphenylbenzidine basic information

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 chemical properties

mp	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

msds information

provider	language
sigmaaldrich	english
acros	english
alfa	english

n,n'-diphenylbenzidine usage and synthesis

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

company information

henan sunlake enterprise corporation is located in henan province , the central plain of china , which enjoys favorable geogeaphical position and convenient transportion. the com[any was established in june. 1998, until now having more than 18 years experience in manufacturing & exporting chemical raw material .

sunlake is a professional manufacturer engaged in producing and selling chemicals,including organic & inorganic chemicals , pigments & dyestuffs , water treatment chemicals , food & feed additives and others. these products have been being well exported to europe, southeast asia, the middle east ,africa, south america and some other countries and areas.

we sincerely welcome foreign friends to visit our plant for cooperation. with the idea of "quality first,credit priority, excellent service", we are highly acknowledged by customers for good quality and competitive price. more importantly , the company has a strong r & d team, who are professional engineers and scholars with ph. d. .so we are confident to serve you better with our high - quality products and professional team. we are taking great efforts to provide our customers with demanded goods and professional services, and continuously improve our core ability of competition and get the momentum for sustainable development, and finally make us being a reliable and professional supplier in international market.

we welcome any serious inquiries from all customers of the world, and sincerely hope to cooperate with you for a brilliant future!