N,N'-Diphenyl- Benzidine | C24H20N2 | CAS 531-91-9

Product Name: N,N'-Diphenylbenzidine
CAS: 531-91-9
MF: C24H20N2
MW: 336.43
EINECS: 208-521-7
Mol File: 531-91-9.mol
Origin: China

product details

Property

Melting point: 246-248 °C

Boiling point: 462.9°C

Density: 1.1750

Vapor density: 11.6

Refractive index: 1.7620

Fp: >110°C

Storage temp.: Store below +30°C.

Solubility: Acetone (Slightly), DMF (Slightly), DMSO (Slightly), Ethyl Acetate (Slightly, Sonicated)

pKa: 1.31±0.40

Form: Fine Crystalline Powder

Color: Gray to brownish

Water Solubility: Insoluble in water.

Application

N,N'-Diphenylbenzidine is an indicator suitable for redox titrations, e.g. with dichromate or cerium(IV) sulfate 1,2. It is also used as intermediates in organic synthesis.

Package And Storage

Package:

25kg/carton drum or as your requirements.

Remark: Chemical composition and size can be optimized by the customers' requirements 固体16gs

Storage:

Separated from ammonium nitrate and potassium chlorate. Dry.Keep container tightly closed in a dry and well-ventilated place. Hygroscopic.

Safety Protection

Precautions for safe handling

Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.