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N,N'-Diphenylbenzidine

N,N'-Diphenylbenzidine
N,N'-Diphenylbenzidine structure
CAS No.
531-91-9
Chemical Name:
N,N'-Diphenylbenzidine
Synonyms
N,N'-DiphenyL;Diphenylbenzidine;DEPHENYLBENZIDINE;TIMTEC-BB SBB002946;Benzidine, N,N'-diph;N'-Diphenylbenzidine;N,N-Diphenylbenzidne;N,N'-Diphenylbenzidi;SYM-DIPHENYLBENZIDINE;N,N'-DIPHENYLBENZIDINE
CBNumber:
CB2394561
Molecular Formula:
C24H20N2
Formula Weight:
336.43
MOL File:
531-91-9.mol

N,N'-Diphenylbenzidine Properties

Melting point:
246-248 °C(lit.)
Boiling point:
462.9°C (rough estimate)
Density 
1.1750 (rough estimate)
vapor density 
11.6 (vs air)
refractive index 
1.7620 (estimate)
Flash point:
>110°C
storage temp. 
Store below +30°C.
pka
1.31±0.40(Predicted)
form 
Fine Crystalline Powder
color 
Gray to brownish
Water Solubility 
Insoluble in water.
Sensitive 
Light Sensitive
Merck 
14,3319
BRN 
2220993
InChIKey
FDRNXKXKFNHNCA-UHFFFAOYSA-N
CAS DataBase Reference
531-91-9(CAS DataBase Reference)
FDA UNII
8IO8V406YP
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
  • Risk and Safety Statements
Symbol(GHS) 
GHS07,GHS08
Signal word  Warning
Hazard statements  H302+H312+H332-H351
Precautionary statements  P201-P202-P261-P264-P270-P271-P280-P301+P312+P330-P302+P352+P312+P362+P364-P304+P340+P312-P308+P313-P405-P501
Hazard Codes  Xi
Safety Statements  22-24/25
RIDADR  2811
WGK Germany  3
8
TSCA  Yes
HazardClass  6.1(b)
PackingGroup  III
HS Code  29215900

N,N'-Diphenylbenzidine price More Price(5)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich D205206 N,N′-Diphenylbenzidine 97% 531-91-9 10g $96.7 2021-03-22 Buy
TCI Chemical D0878 N,N'-Diphenylbenzidine >98.0%(HPLC)(N) 531-91-9 5g $68 2021-03-22 Buy
TCI Chemical D0878 N,N'-Diphenylbenzidine >98.0%(HPLC)(N) 531-91-9 25g $205 2021-03-22 Buy
Alfa Aesar A13802 N,N'-Diphenylbenzidine, 98% 531-91-9 5g $49.8 2021-03-22 Buy
Alfa Aesar A13802 N,N'-Diphenylbenzidine, 98% 531-91-9 25g $184 2021-03-22 Buy

N,N'-Diphenylbenzidine Chemical Properties,Uses,Production

Chemical Properties

GREY TO BROWNISH FINE CRYSTALLINE POWDER

Uses

See diphenylamine.

Purification Methods

Crystallise the benzidine from toluene or ethyl acetate. Store it in the dark. [Beilstein 13 H 223, 13 IV 368.]

N,N'-Diphenylbenzidine Preparation Products And Raw materials

Raw materials

Preparation Products


N,N'-Diphenylbenzidine Suppliers

Global( 305)Suppliers
Supplier Tel Fax Email Country ProdList Advantage
Hebei Minshang Biological Technology Co. LTD
18132649059 +8618132649059
+8618132649059 monica@hbminshang.cn CHINA 206 58
Springchem New Material Technology Co.,Limited
+8613917661608 +86-021-62885108
info@spring-chem.com China 2065 57
Capot Chemical Co.,Ltd.
+86(0)13336195806 +86-571-85586718
+86-571-85864795 sales@capotchem.com China 20010 60
Henan DaKen Chemical CO.,LTD.
+86-371-66670886
info@dakenchem.com China 21022 58
Henan Tianfu Chemical Co.,Ltd.
0371-55170693
0371-55170693 info@tianfuchem.com CHINA 22607 55
ATK CHEMICAL COMPANY LIMITED
+86 21 5161 9050/ 5187 7795
+86 21 5161 9052/ 5187 7796 ivan@atkchemical.com CHINA 26734 60
AB PharmaTech,LLC
323-480-4688
323-480-4688 sales01@abpharmatechusa.com United States 989 55
Beijing Green Guardee Technology Co., Ltd
86-010-69706062
86-010-82781860 sales2@greenguardee.com CHINA 650 58
Shanxi Naipu Import and Export Co.,Ltd
+8613734021967
kaia@neputrading.com CHINA 1010 58
career henan chemical co
+86-371-86658258
sales@coreychem.com CHINA 29960 58

View Lastest Price from N,N'-Diphenylbenzidine manufacturers

Image Release date Product Price Min. Order Purity Supply Ability Manufacturer
2021-10-19 N,N'-Diphenylbenzidine
531-91-9
US $48.00-40.00 / KG 1KG 99% 20tons Guangzhou Sunton Biotechnology Co., Ltd.
2021-08-28 N, N′ -Diphenyl- Benzidine
531-91-9
US $10.70 / Kg/Bag 10g 99% 10000kg Hebei Crovell Biotech Co Ltd
2021-07-13 DPB
531-91-9
US $15.00-10.00 / KG 1KG 99%+ HPLC Monthly supply of 1 ton Zhuozhou Wenxi import and Export Co., Ltd

N,N'-Diphenylbenzidine Spectrum


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