D12384

3,3′-Diaminobenzidine

97%

• Synonym(s): 3,3′,4,4′-Biphenyltetramine, 3,3′,4,4′-Tetraaminobiphenyl, DAB
• Linear Formula: (NH₂)₂C₆H₃C₆H₃(NH₂)₂
• CAS Number: 91-95-2
• Molecular Weight: 214.27
• Beilstein: 1212988
• EC Number: 202-110-6
• MDL number: MFCD00007725
• UNSPSC Code: 12352100
• PubChem Substance ID: 24893384
• NACRES: NA.22

Properties

• Assay: 97%
• form: powder
• mp: 175-177 °C (lit.)
• SMILES string: NC1=C(N)C=CC(C2=CC(N)=C(N)C=C2)=C1
• InChI: 1S/C12H14N4/c13-9-3-1-7(5-11(9)15)8-2-4-10(14)12(16)6-8/h1-6H,13-16H2
• InChI key: HSTOKWSFWGCZMH-UHFFFAOYSA-N

Description

Application

3,3′-Diaminobenzidine can be used as a starting material to prepare:

• Aromatic poly(imide) networks for hydrogen storage applications.
• Various derivatives of quinoxalines by condensation with diketones.
• Mesitylene-containing poly(benzimidazolium) analogs (Mes-PBI) for alkali anion-exchange membrane.

Peroxidase substrate; reagent for spectrophotometric determination of selenium.

Safety Information

• Pictograms: GHS08,GHS07
• Signal Word: Danger
• Hazard Statements: H302,H319,H341,H350
• Precautionary Statements: P202 - P264 - P280 - P301 + P312 - P305 + P351 + P338 - P308 + P313
• Hazard Classifications: Acute Tox. 4 Oral - Carc. 1B - Eye Irrit. 2 - Muta. 2
• Storage Class Code: 6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
• WGK: WGK 1
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves