Diphenyl benzidine solution

Name: Diphenyl benzidine solution
Brand: Vaqora Chemicals
SKU: VQ-003541

About Diphenyl benzidine solution

Diphenyl benzidine solution is a diagnostic reagent carrying the CAS registry number 531-91-9. With the molecular formula C24H20N2, it has a molar mass of 336.4 g/mol. The IUPAC name is 4-(4-anilinophenyl)-N-phenylaniline. Common synonyms include Diphenylbenzidine and N,N'-Diphenylbenzidine.

The material typically appears as a dark blue liquid. Keep the container tightly sealed and store it in a cool, dry area. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

Key uses span clinical chemistry, diagnostic assays and pathology laboratories. Buyers come mainly from academic and industrial research and diagnostics and biotechnology.

We offer Diphenyl benzidine solution in 100 mL, 500 mL and 5 L packs with a batch-specific COA, and ship to customers worldwide. A Safety Data Sheet (SDS) and technical specifications are available on request.

Typical applications

Clinical chemistry
Diagnostic assays
Pathology laboratories

Industries

Specifications & identifiers

Chemical identifiers
Product name	Diphenyl benzidine solution
Catalogue No.	VQ-003541
CAS Number	531-91-9
IUPAC name	4-(4-anilinophenyl)-N-phenylaniline
Molecular formula	C₂₄H₂₀N₂
Molecular weight	336.4 g/mol
Exact mass	336.1626
HSN code	29215990
InChIKey	FDRNXKXKFNHNCA-UHFFFAOYSA-N
SMILES	C1=CC=C(C=C1)NC2=CC=C(C=C2)C3=CC=C(C=C3)NC4=CC=CC=C4
PubChem CID	68280

Physical properties
Physical form	Solution
Appearance	Dark blue liquid
LogP (XLogP3)	6.6
H-bond donors / acceptors	2 / 2
TPSA	24.1 Å²
Synonyms	Diphenylbenzidine, N,N'-Diphenylbenzidine, N4,N4'-Diphenyl-[1,1'-biphenyl]-4,4'-diamine, Benzidine, N,N'-diphenyl-, [1,1'-Biphenyl]-4,4'-diamine, N,N'-diphenyl-, N,N-Diphenylbenzidine, (1,1'-Biphenyl)-4,4'-diamine, N,N'-diphenyl-, N(4),N(4')-Diphenyl-biphenyl-4,4'-diamine, Benzidine, N,N'diphenyl, N4,N4'Diphenyl4,4'diamine, Benzidine, N,N'diphenyl (8CI), Benzidine, N,N'-diphenyl-(8CI)

Safety & hazard information (GHS)

Harmful / irritant

Health hazard

Signal word: Warning

Hazard statements

H302Harmful if swallowed
H312Harmful in contact with skin
H332Harmful if inhaled
H351Suspected of causing cancer

Precautionary statements: P203, P261, P264, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P317, P318, P321, P330, P362 + P364, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Other grades of CAS 531-91-9

AR

N,N'-Diphenyl benzidine, GR 99%

CAS: 531-91-9
Formula: C₂₄H₂₀N₂
MW: 336.4 g/mol

VQ-000387

Frequently asked questions

What is the CAS number of Diphenyl benzidine solution?

The CAS Registry Number of Diphenyl benzidine solution is 531-91-9. It is also known as Diphenylbenzidine, N,N'-Diphenylbenzidine, N4,N4'-Diphenyl-[1,1'-biphenyl]-4,4'-diamine.

What is the molecular formula and molecular weight of Diphenyl benzidine solution?

Diphenyl benzidine solution has the molecular formula C24H20N2 and a molecular weight of 336.4 g/mol. Its IUPAC name is 4-(4-anilinophenyl)-N-phenylaniline.

Which grade and pack sizes of Diphenyl benzidine solution can I order?

We supply Diphenyl benzidine solution, in 100 mL, 500 mL, 5 L packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Diphenyl benzidine solution?

Yes. Every lot of Diphenyl benzidine solution is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Diphenyl benzidine solution be shipped internationally?

Yes. Diphenyl benzidine solution is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.