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Identify Suppliers 2025 Properties Safty

N4,n4'-diphenyl-[1,1'-biphenyl]-4,4'-diamine

BGC Id:	773899452721
CAS No:	531-91-9
Synonyms:	sym-diphenylbenzidine ; n,n'-diphenylbenzidine ; 4,4'-bis(anilino)bipheny ; dephenylbenzidine ; timtec-bb sbb002946 ; n,n'-diphenylbenzidi ; n,n'-diphenylbenzidinegr ; n,n-diphenylbenzidne ; diphenylbenzidine ; 4,4'-dianilinobiphenyl
Molecular Formula:	C24H20N2
Molecular Weight:	336.43
EINECS:	208-521-7

Verified providers in 2025

The following 2 notable providers have been checked and can be recommended.

BLD Pharmatech

Smile code: C1(C2=CC=C(NC3=CC=CC=C3)C=C2)=CC=C(NC4=CC=CC=C4)C=C1 MDL Number: MFCD00003016 Purity : 98% Available in stock: 546 g

BuGuCh & Partners

What other providers are available for CAS 531-91-9?

The last intensive check and update was carried out on 2025/05/30.

Identify

Synonyms:

sym-diphenylbenzidine ; n,n'-diphenylbenzidine ; 4,4'-bis(anilino)bipheny ; dephenylbenzidine ; timtec-bb sbb002946 ; n,n'-diphenylbenzidi ; n,n'-diphenylbenzidinegr ; n,n-diphenylbenzidne ; diphenylbenzidine ; 4,4'-dianilinobiphenyl

CAS:

531-91-9

EINECS:

208-521-7

Molecular Formula:

C24H20N2

MDL:

MFCD00003016

Properties

Molecular Weight:

336.43 g·mol−1

Density:

1.17 g/cm³ (Predicted)

Melting point:

246-248 °C(lit.)

Boiling point:

534.99° C at 760 mmHg (Predicted)

Flash point:

>110 °C

Physical Description:

grey to brownish fine crystalline powder

Suppliers

BLD Pharmatech Ltd

företagets typ: Supplier

Founded in 2014 and headquartered in Shanghai, China, BLD Pharmatech Ltd. with more than 600,000 items, scale up manufacture and custom services is a leading manufacturer and supplier of diversified research chemicals in the industry. Vi är säljare av 4-(Isoxazol-5-yl)aniline. Our considerable stock of a wide range of laboratory chemicals, from heterocycles, boron acids, amino acids, metal catalysts to chiral compounds, is ready for worldwide shipping. The ISO certifications and DUNS registration are our testimonie ...

land: P.R.China telefon: +86-21-61629022 fax: +86-21-50201702

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BuGuCh & Partners

företagets typ: Producer

land: Germany

We, BuGuCh & Partners, are an international acting and innovative company, leading in developing and manufacturing. We operates major facilities in North America, Europe and the Pacific Rim, as well as facilities in China, Japan and Saudi Arabia operated through joint ventures. We maintain independently or are partners of some production sites in Europe, Asia and South America. Our global network is a strength. Our products range from natural gas, oil and basic chemi ...

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Safety Information

Hazard Symbols: Xi

Europe standard Hazard pictograms, code and definition

Hazard Classes:

6.1(b)

Hazardous Substances Data:

Non-Regulated Material ¹

Safety Codes:

22-24/25 (S)

WGK Germany:

RID / ADR:

2811

What other providers are available for CAS 531-91-9?

In addition to the providers presented here for N4,n4'-diphenyl-[1,1'-biphenyl]-4,4'-diamine with the CAS number 531-91-9, there are other 80 providers with slightly different product names available for this CAS number.

N,N'-Diphenylbenzidine

4,4'-bis-(Anilino)biphenyl

+2 additional providers that we know from the past

N,N'-Diphenyl diphenylamine

N,N'-Diphenylbenzidine, Reag.