N,N'-Diphenylbenzidine

Modify Date: 2026-06-30 19:46:55

N,N'-Diphenylbenzidine structure	Common Name	N,N'-Diphenylbenzidine
	CAS Number	531-91-9	Molecular Weight	336.429
	Density	1.2±0.1 g/cm3	Boiling Point	535.0±43.0 °C at 760 mmHg
	Molecular Formula	C₂₄H₂₀N₂	Melting Point	246-248 °C(lit.)
	MSDS	USA	Flash Point	342.0±19.9 °C

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name	N,N'-Diphenylbenzidine
Synonym	More Synonyms

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Density	1.2±0.1 g/cm3
Boiling Point	535.0±43.0 °C at 760 mmHg
Melting Point	246-248 °C(lit.)
Molecular Formula	C₂₄H₂₀N₂
Molecular Weight	336.429
Flash Point	342.0±19.9 °C
Exact Mass	336.162659
PSA	24.06000
LogP	6.09
Vapour Pressure	0.0±1.4 mmHg at 25°C
Index of Refraction	1.690
InChIKey	FDRNXKXKFNHNCA-UHFFFAOYSA-N
SMILES	c1ccc(Nc2ccc(-c3ccc(Nc4ccccc4)cc3)cc2)cc1

This table provides MSDS information including hazard classification, first‑aid, fire‑fighting, spill handling, operation and storage instructions.

N,N'-Diphenylbenzidine MSDS(Chinese)

This table covers safety warnings, protective measures, incompatible substances and disposal guidelines for this compound.

Personal Protective Equipment	Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
Hazard Codes	Xi: Irritant;F+: Extremely flammable
Safety Phrases	S22-S24/25
RIDADR	2811
WGK Germany	3
Packaging Group	III
Hazard Class	6.1(b)
HS Code	2921590090

This table presents publicly reported synthetic routes, reaction conditions, reactants and product information of the compound.

This table lists upstream starting materials and downstream derivative products related to this chemical.

Precursor 8
CAS#:92-86-4 4,4'-Dibromobiphenyl CAS#:108-90-7 Chlorobenzene CAS#:92-87-5 4-(4-aminopheny... CAS#:3768-55-6 Anilinotrimethy...
CAS#:122-39-4 Diphenylamine CAS#:632-52-0 Tetraphenylhydrazine CAS#:1079-64-7 N,N-diphenylhyd... CAS#:530-50-7 1,1-diphenylhyd...
DownStream 4
CAS#:344782-48-5 4,4'-BIS((4-BRO... CAS#:20441-06-9 N,N'-Diphenyl-N... CAS#:65181-78-4 N,N'-Bis(3-meth... CAS#:15546-43-7 N,N,N',N'-Tetra...

This table shows customs‑related data including HS‑code, tariff and regulatory conditions for import and export.

HS Code	2921590090
Summary	2921590090. other aromatic polyamines and their derivatives; salts thereof. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

This table contains target information, in‑vitro & in‑vivo assay data for this compound.

Name: qHTS assay for inhibitors of human lactate dehydrogenase
Source: NCGC
Target: N/A
External Id: LDHA

Name: NCI human tumor cell line growth inhibition assay. Data for the MCF7 Non-Small Cell L...
Source: DTP/NCI
Target: N/A
External Id: MCF7_OneDose

Name: NCI human tumor cell line growth inhibition assay. Data for the IGROV1 Non-Small Cell...
Source: DTP/NCI
Target: N/A
External Id: IGROV1_OneDose

Name: Primary qHTS Assay for Foot and Mouth Disease Virus Antivirals against NCGC Sytravon ...
Source: NCGC
External Id: stopgo-p2-SytraCBC-dual-FF

Name: Primary qHTS Assay for Foot and Mouth Disease Virus Antivirals against NCGC Sytravon ...
Source: NCGC
External Id: stopgo-p2-SytraCBC-dual-Ren

Name: Cell-based high throughput primary assay to identify activators of GPR151
Source: The Scripps Research Institute Molecular Screening Center
Target: RecName: Full=G-protein coupled receptor 151; AltName: Full=G-protein coupled receptor PGR7; AltName: Full=GPCR-2037; AltName: Full=Galanin receptor 4; AltName: Full=Galanin-receptor-like protein; Short=GalRL
External Id: GPR151_PHUNTER_AG_LUMI_1536_1X%ACT

Name: AlphaScreen-based biochemical high throughput primary assay to identify activators of...
Source: The Scripps Research Institute Molecular Screening Center
Target: N/A
External Id: FBW7_ACT_ALPHA_1536_1X%ACT PRUN

Name: AlphaScreen-based biochemical high throughput primary assay to identify inhibitors of...
Source: The Scripps Research Institute Molecular Screening Center
External Id: MITF_INH_Alpha_1536_1X%INH PRUN

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This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

N4,N4'-Diphenyl-[1,1'-biphenyl]-4,4'-diamine

N,N‘-Diphenylbenzidine

EINECS 208-521-7

N,N'-Diphenyl-4,4'-biphenyldiamine

4-(4-anilinophenyl)-N-phenylaniline

N,N'-Diphenylbenzidine

N,N'-Diphenylbiphenyl-4,4'-diamine

MFCD00003016

N,N-Diphenylbenzidine

4,4'-Dianilinobiphenyl

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What is the boiling point of N,N'-Diphenylbenzidine?

A: Boiling point of N,N'-Diphenylbenzidine is 535.0±43.0 °C at 760 mmHg.

Q: What is the melting point of N,N'-Diphenylbenzidine?

A: Melting point of N,N'-Diphenylbenzidine is 246-248 °C(lit.).

Q: What is the SMILES notation of N,N'-Diphenylbenzidine?

A: SMILES notation of N,N'-Diphenylbenzidine is c1ccc(Nc2ccc(-c3ccc(Nc4ccccc4)cc3)cc2)cc1.

Q: What are the upstream materials of N,N'-Diphenylbenzidine?

A: Related upstream materials(CAS) of N,N'-Diphenylbenzidine: 92-86-4;108-90-7;92-87-5;3768-55-6;122-39-4;632-52-0;1079-64-7;530-50-7.

Q: What is the CAS number of N,N'-Diphenylbenzidine?

A: CAS number of N,N'-Diphenylbenzidine is 531-91-9.

Q: What is the polar surface area (PSA) of N,N'-Diphenylbenzidine?

A: Polar surface area (PSA) of N,N'-Diphenylbenzidine is 24.06000.

Q: What English synonyms does N,N'-Diphenylbenzidine have?

A: English synonyms of N,N'-Diphenylbenzidine: N4,N4'-Diphenyl-[1,1'-biphenyl]-4,4'-diamine, N,N‘-Diphenylbenzidine, EINECS 208-521-7, N,N'-Diphenyl-4,4'-biphenyldiamine, 4-(4-anilinophenyl)-N-phenylaniline, N,N'-Diphenylbenzidine, N,N'-Diphenylbiphenyl-4,4'-diamine, MFCD00003016, N,N-Diphenylbenzidine, 4,4'-Dianilinobiphenyl.

Q: What is the molecular formula of N,N'-Diphenylbenzidine?

A: Molecular formula of N,N'-Diphenylbenzidine is C24H20N2.

Q: What is the InChIKey of N,N'-Diphenylbenzidine?

A: InChIKey of N,N'-Diphenylbenzidine is FDRNXKXKFNHNCA-UHFFFAOYSA-N.

Q: What is the LogP of N,N'-Diphenylbenzidine?

A: LogP of N,N'-Diphenylbenzidine is 6.09.

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

Shanghai Nianxing Industrial Co., Ltd

Dayang Chem (Hangzhou) Co., Ltd.

Henan Tianfu Chemical Co., Ltd.

The content on this webpage is sourced from various professional data sources. If you have any questions or concerns regarding the content, please feel free to contact service1@chemsrc.com.

Shanghai Nianxing Industrial Co., Ltd
China
Product Name: N,N'-Diphenylbenzidine
Price: Check
Purity: 98.0%
Delivery: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: N,N'-Diphenylbenzidine
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Delivery: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

Henan Tianfu Chemical Co., Ltd.
China
Product Name: N,N'-Diphenylbenzidine
Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
Purity: 99.0%
Delivery: Inquiry
Contact: Anson
Email: info@tianfuchem.com

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Price: ￥35/1g

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