3,3'-DINITROBENZIDINE Chemical Properties

Melting point:

275°C

Boiling point:

497.4±45.0 °C(Predicted)

Density 

1.498±0.06 g/cm3(Predicted)

storage temp. 

Refrigerator

solubility 

Acetone, DMSO

form 

Solid

pka

-0.54±0.10(Predicted)

color 

Red

CAS DataBase Reference

6271-79-0

Safety Information

Risk Statements 

20/21/22

Safety Statements 

22-36/37/39

RTECS 

DD1250000

HS Code 

2921.59.8090

3,3'-DINITROBENZIDINE Usage And Synthesis

Chemical Properties

Brown Oily Solid

Uses

3,3'-Dinitrobenzidine is used for preparation of symmetrical bis-benzimidazole derivatives for inhibition of gastric acid secretion.

Purification Methods

Crystallise the pKEst biphenyl from aqueous EtOH or pyridine/EtOH. [Beilstein 13 H 236, 13 I 68, 13 II 108, 13 III 415, 13 IV 387.]

3,3'-DINITROBENZIDINE(6271-79-0)Related Product Information

• N,N-Diethylhydroxylamine
• Naphthalene
• 2,2'-dinitrobenzidine
• 2,4-Dinitrodiphenylamine
• 3,3'-Diaminobenzidine tetrahydrochloride dihydrate
• 3-NITROBIPHENYL
• DIACETYL-3,3'-DINITROBENZIDINE
• 3,3'-DINITRO-BIPHENYL
• N-Hydroxy-3-aminobiphenyl
• 3-Nitrosobiphenyl
• 3-AMINOBIPHENYL
• 3,3'-DINITROBENZIDINE
• PHENAZO
• 3-NITROBENZIDINE