N,N'-Diphenylbenzidine

HCID 68280CAS 531-91-9
Substructure searchFind similar structures

Basic information

Standard SMILES
c1ccc(Nc2ccc(-c3ccc(Nc4ccccc4)cc3)cc2)cc1
InChIKey
FDRNXKXKFNHNCA-UHFFFAOYSA-N
Molecular formula
C24H20N2
Average molar mass
336.4 g/mol
Monoisotopic mass
336.16264864

Names & identifiers

Preferred name
N,N'-Diphenylbenzidine
IUPAC
4-(4-anilinophenyl)-N-phenylaniline
English name
N,N'-Diphenylbenzidine
Molecular formula
C24H20N2
Molecular weight
336.43

Names & synonyms

N,N'-Diphenylbenzidine531-91-9N4,N4'-Diphenyl-[1,1'-biphenyl]-4,4'-diamineDiphenylbenzidineBenzidine, N,N'-diphenyl-[1,1'-Biphenyl]-4,4'-diamine, N,N'-diphenyl-UNII-8IO8V406YPN,N-Diphenylbenzidine8IO8V406YPNSC 4310NSC-4310EINECS 208-521-7
Show more names
DFRRN,N'-DiphenyLDEPHENYLBENZIDINETIMTEC-BB SBB002946Benzidine, N,N'-diphN'-DiphenylbenzidineN,N-DiphenylbenzidneN,N'-DiphenylbenzidiSYM-DIPHENYLBENZIDINE
AI3-18241DTXSID0060197(1,1'-Biphenyl)-4,4'-diamine, N,N'-diphenyl-N,N'-DIPHENYLBENZIDINE [MI]4,4'-BIS(PHENYLAMINO)-1,1'-BIPHENYLN(4),N(4')-Diphenyl-biphenyl-4,4'-diamineN4,N4'-DIPHENYL-(1,1'-BIPHENYL)-4,4'-DIAMINEBenzidine, N,N'diphenyl

Database identifiers

CAS
531-91-9
PubChem CID
68280
DTXSID
DTXSID0060197
UNII
8IO8V406YP
EC Number
208-521-7
Nikkaji
J6.982E

Properties

Computed structural properties

XLogP
6.6
Topological polar surface area
24.1 Ų
Hydrogen bond donors
2
Hydrogen bond acceptors
2
Rotatable bonds
5
Heavy atoms
26

Experimental & physicochemical properties

Chemical ClassesNitrogen Compounds -> Benzidine and Derivatives
Physical DescriptionSolid; [Merck Index] Grey odorless powder; [Alfa Aesar MSDS]

Physicochemical properties

Melting point
246 · 246-248 °C(lit.)
Boiling point
462.9 °C · 462.9°C (rough estimate)
Density
1.175 · 1.1750 (rough estimate)
vapor density
11.6 · 11.6 (vs air)
refractive index
1.762 · 1.7620 (estimate)
Flash point
110 °C · >110°C

Safety & regulation

GHS classification

GHS Classification · 4 items

Warning

H302 (100%): Harmful if swallowed [Warning Acute toxicity, oral]

P203, P261, P264, P270, P271, P280, P301+P317, P302+P352, P304+P340, P317, P318, P321, P330, P362+P364, P405, and P501 (click each P-code to see the statement)

Aggregated GHS information provided per 2 reports by companies from 2 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Hazard information

Regulatory Information · 2 items

Chemical: [1,1'-Biphenyl]-4,4'-diamine, N,N'-diphenyl-

[1,1'-Biphenyl]-4,4'-diamine, N,N'-diphenyl-: Does not have an individual approval but may be used under an appropriate group standard

Hazards SummaryMay cause irritation; [Alfa Aesar MSDS] See Benzidine and Diphenylamine.
Hazard Classes and CategoriesAcute Tox. 4 (100%)

Safety data

F
8
PPE
Eyeshields, Gloves, type N95 (US)
wgk
3
tsca
TSCA listed
ridadr
2811
hs_code
29215900

Chemistry & industry

Uses & manufacturing

UsesSee Diphenylamine. [Merck Index]
General Manufacturing Information[1,1'-Biphenyl]-4,4'-diamine, N4,N4'-diphenyl-: ACTIVE

Applications

UsesN,N'-Diphenylbenzidine is an indicator suitable for redox titrations, e.g. with dichromate or cerium(IV) sulfate 1,2. It is also used as intermediates in organic synthesis.

UsesSee diphenylamine.

Upstream & downstream products

Suppliers50 total

梯希爱(上海)化成工业发展有限公司021-67121386 · [email protected]
衢州润东化工有限公司0570-8789886 18892685668 · [email protected]
上海阿拉丁生化科技股份有限公司400-6206333 13167063860 · [email protected]
西安凯美科新材料有限公司13720451009 13720451009 · [email protected]
南京予善化工有限公司025-025-85281586 +86-18105181009

Related reactions

12 records
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Linked notes

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