4,4′-Diamino[1,1′-biphenyl]-3,3′-diol, 99%

Name: 4,4′-Diamino[1,1′-biphenyl]-3,3′-diol, 99%
Brand: Vaqora Chemicals
SKU: VQ-009321

About 4,4′-Diamino[1,1′-biphenyl]-3,3′-diol, 99%

4,4′-Diamino[1,1′-biphenyl]-3,3′-diol (CAS 2373-98-0) is an amine building block offered by Vaqora Chemicals at a purity of 99%. The compound has the formula C12H12N2O2, corresponding to a molecular weight of 216.24 g/mol. Its systematic (IUPAC) name is 2-amino-5-(4-amino-3-hydroxyphenyl)phenol. It is also known as 3,3'-Dihydroxybenzidine or 4,4'-Diamino-3,3'-biphenyldiol.

In its supplied form it is white to gray to brown powder to crystals. Reported physical data include a melting point of 292 °C and a density of 1.1710. Keep the container tightly sealed and store it in a cool, dry area. It carries the GHS signal word “Danger” with 1 hazard statement. Review the Safety Data Sheet before use.

It is commonly used for fine chemical synthesis and organic synthesis. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

Available in 5 g, 25 g and 1 kg packs, 4,4′-Diamino[1,1′-biphenyl]-3,3′-diol is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Fine chemical synthesis
Organic synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	4,4′-Diamino[1,1′-biphenyl]-3,3′-diol, 99%
Catalogue No.	VQ-009321
CAS Number	2373-98-0
IUPAC name	2-amino-5-(4-amino-3-hydroxyphenyl)phenol
Molecular formula	C₁₂H₁₂N₂O₂
Molecular weight	216.24 g/mol
Exact mass	216.0899
Purity / assay	99%
HSN code	29420090
InChIKey	ZGDMDBHLKNQPSD-UHFFFAOYSA-N
SMILES	C1=CC(=C(C=C1C2=CC(=C(C=C2)N)O)O)N
PubChem CID	16918

Physical properties
Physical form	Crystalline
Appearance	White to gray to brown powder to crystals
Melting point	292 °C
Density	1.1710
LogP (XLogP3)	1.5
H-bond donors / acceptors	4 / 4
TPSA	92.5 Å²
Synonyms	3,3'-Dihydroxybenzidine, 4,4'-Diamino-3,3'-biphenyldiol, 3,3'-Dioxybenzidine, 3,3'-Dihydroxy-4,4'-diaminobiphenyl, 3,3'-Dwuoksybenzydyna, 3,3-Dihydroxybenzidine, Benzidine, 3,3'-dihydroxy-, m,m'-Biphenol, 6,6'-diamino-, 4,4'-diaminobiphenyl-3,3'-diol, 3,3'-Biphenyldiol, 4,4'-diamino-, (1,1'-Biphenyl)-3,3'-diol, 4,4'-diamino-, [1,1'-Biphenyl]-3,3'-diol, 4,4'-diamino-

Safety & hazard information (GHS)

Health hazard

Signal word: Danger

Hazard statements

H350May cause cancer

Precautionary statements: P203, P280, P318, 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

Frequently asked questions

What is the CAS number of 4,4′-Diamino[1,1′-biphenyl]-3,3′-diol, 99%?

The CAS Registry Number of 4,4′-Diamino[1,1′-biphenyl]-3,3′-diol, 99% is 2373-98-0. It is also known as 3,3'-Dihydroxybenzidine, 4,4'-Diamino-3,3'-biphenyldiol, 3,3'-Dioxybenzidine.

What is the molecular formula and molecular weight of 4,4′-Diamino[1,1′-biphenyl]-3,3′-diol, 99%?

4,4′-Diamino[1,1′-biphenyl]-3,3′-diol, 99% has the molecular formula C12H12N2O2 and a molecular weight of 216.24 g/mol. Its IUPAC name is 2-amino-5-(4-amino-3-hydroxyphenyl)phenol.

Which grade and pack sizes of 4,4′-Diamino[1,1′-biphenyl]-3,3′-diol, 99% can I order?

We supply 4,4′-Diamino[1,1′-biphenyl]-3,3′-diol, 99% in (99%) grade, in 5 g, 25 g, 1 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 4,4′-Diamino[1,1′-biphenyl]-3,3′-diol, 99%?

Yes. Every lot of 4,4′-Diamino[1,1′-biphenyl]-3,3′-diol, 99% 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 4,4′-Diamino[1,1′-biphenyl]-3,3′-diol, 99% be shipped internationally?

Yes. 4,4′-Diamino[1,1′-biphenyl]-3,3′-diol, 99% 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.