3,3-Diaminobenzidine, GR 99%

Name: 3,3-Diaminobenzidine, GR 99%
Brand: Vaqora Chemicals
SKU: VQ-009277

About 3,3-Diaminobenzidine, GR 99%

Vaqora Chemicals supplies 3,3-Diaminobenzidine (AR grade), an amine building block registered under CAS number 91-95-2 with a typical assay of 99%. Formula C12H14N4, molecular weight 214.27 g/mol. Systematically, it is named 4-(3,4-diaminophenyl)benzene-1,2-diamine. Common synonyms include 3,3',4,4'-Biphenyltetramine and 3,3',4,4'-Tetraaminobiphenyl.

It is supplied as white to brown powder or crystals. Key physical data: a melting point of 175-177 °C. Store in a tightly closed container in a cool, dry and well-ventilated place. Under GHS it is labelled “Danger”, so handle it with suitable PPE and consult the SDS.

Typical applications include analytical determinations, biological staining and protein and peptide research. Buyers come mainly from pharmaceutical manufacturing, academic and industrial research and diagnostics and biotechnology.

Available in 1 g, 5 g, 25 g and 100 g packs, 3,3-Diaminobenzidine is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Analytical determinations
Biological staining
Protein & peptide research

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	3,3-Diaminobenzidine, GR 99%
Catalogue No.	VQ-009277
CAS Number	91-95-2
IUPAC name	4-(3,4-diaminophenyl)benzene-1,2-diamine
Molecular formula	C₁₂H₁₄N₄
Molecular weight	214.27 g/mol
Exact mass	214.1218
Grade	AR
Purity / assay	99%
HSN code	29215990
InChIKey	HSTOKWSFWGCZMH-UHFFFAOYSA-N
SMILES	C1=CC(=C(C=C1C2=CC(=C(C=C2)N)N)N)N
PubChem CID	7071

Physical properties
Physical form	Crystalline
Appearance	White to brown powder or crystals
Melting point	175-177 °C
LogP (XLogP3)	0.9
H-bond donors / acceptors	4 / 4
TPSA	104 Å²
Synonyms	3,3',4,4'-Biphenyltetramine, 3,3',4,4'-Tetraaminobiphenyl, DAB, 3,3'-Diaminobenzidine, 3,3',4,4'-Tetraaminodiphenyl, 3,3',4,4'-Diphenyltetramine, 3,3',4,4'-Tetraminobiphenyl, [1,1'-Biphenyl]-3,3',4,4'-tetramine, (1,1'-Biphenyl)-3,3',4,4'-tetramine, Biphenyl-3,3',4,4'-tetrayltetraamine, 3,3 Diaminobenzidine, 3,3' diaminobenzidine

Safety & hazard information (GHS)

Health hazard

Signal word: Danger

Hazard statements

H341Suspected of causing genetic defects
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

Other grades of CAS 91-95-2

3,3-Diaminobenzidine, 97.00–101.50%

CAS: 91-95-2
Formula: C₁₂H₁₄N₄
MW: 214.27 g/mol

VQ-046866

Frequently asked questions

What is the CAS number of 3,3-Diaminobenzidine, GR 99%?

The CAS Registry Number of 3,3-Diaminobenzidine, GR 99% is 91-95-2. It is also known as 3,3',4,4'-Biphenyltetramine, 3,3',4,4'-Tetraaminobiphenyl, DAB.

What is the molecular formula and molecular weight of 3,3-Diaminobenzidine, GR 99%?

3,3-Diaminobenzidine, GR 99% has the molecular formula C12H14N4 and a molecular weight of 214.27 g/mol. Its IUPAC name is 4-(3,4-diaminophenyl)benzene-1,2-diamine.

Which grade and pack sizes of 3,3-Diaminobenzidine, GR 99% can I order?

We supply 3,3-Diaminobenzidine, GR 99% in AR (99%) grade, in 1 g, 5 g, 25 g, 100 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 3,3-Diaminobenzidine, GR 99%?

Yes. Every lot of 3,3-Diaminobenzidine, GR 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 3,3-Diaminobenzidine, GR 99% be shipped internationally?

Yes. 3,3-Diaminobenzidine, GR 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.