4,4'-Dimethoxybenzophenone Chemical Properties

Melting point:

141-143 °C (lit.)

Boiling point:

200 °C17 mm Hg(lit.)

Density 

1.1515 (rough estimate)

refractive index 

1.5570 (estimate)

storage temp. 

Sealed in dry,Room Temperature

solubility 

Chloroform (Slightly), Ethyl Acetate (Slightly)

form 

Powder

color 

Slightly beige to yellow

Water Solubility 

It is insoluble in water, soluble in ethanol.

BRN 

1878026

InChIKey

RFVHVYKVRGKLNK-UHFFFAOYSA-N

CAS DataBase Reference

90-96-0(CAS DataBase Reference)

NIST Chemistry Reference

P,p'-dimethoxybenzophenone(90-96-0)

Safety Information

Hazard Codes 

Xi

Risk Statements 

36/37/38

Safety Statements 

26-36

WGK Germany 

3

Hazard Note 

Irritant

HS Code 

29145000

MSDS

• Language:English Provider:4,4'-Dimethoxybenzophenone
• Language:English Provider:SigmaAldrich
• Language:English Provider:ACROS
• Language:English Provider:ALFA

4,4'-Dimethoxybenzophenone Usage And Synthesis

Chemical Properties

white to light yellow crystal powder

Uses

4,4'-Dimethoxybenzophenone is used in the organic synthesis. It also acts as a pharmaceutical intermediate. It is an important raw material and intermediate used in Organic Synthesis, Pharmaceuticals, Agrochemicals and Dyestuff.

Preparation

btained by photocatalytic oxidation of 4,4–′-dimethoxybenzhydrol (m.p. 69–71°) catalyzed by H3PW12O40/SiO2 in acetonitrile under oxygen atmosphere at r.t. for 1 h (90%).

Synthesis Reference(s)

Journal of the American Chemical Society, 91, p. 3037, 1969 DOI: 10.1021/ja01039a036
Tetrahedron Letters, 30, p. 1277, 1989 DOI: 10.1016/S0040-4039(00)72735-3

General Description

Photoreactivity of 4,4′-dimethoxybenzophenone with 2-aminobenzimidazole has been examined. It is an ultraviolet absorbing additive in plastic products.

Purification Methods

Crystallise the ketone from absolute EtOH, aqueous EtOH or EtOH/AcOH. The 2,4-dinitrophenylhydrazone has m 199-200o. [Beilstein 8 H 317, 8 I 641, 8 II 355, 8 III 2649, 8 IV 2453.]

4,4'-Dimethoxybenzophenone(90-96-0)Related Product Information

• Benzophenone
• 2,4-Difluorobenzophenone
• 2-Methylbenzophenone
• Diphenyldimethoxysilane
• 1,1-Dimethoxyethane
• 4,4'-Dihydroxybenzophenone
• 4-Benzoylbiphenyl
• Dimethoxymethane
• Dimethyldimethoxysilane
• 4,4'-Dimethylbenzophenone
• 2,6-Dimethoxybenzaldehyde
• Bis(4-fluorophenyl)-methanone
• 3,4-Dihydroxybenzophenone
• 4-Methoxybenzophenone
• 2,4-Dihydroxybenzophenone
• 4-Methylbenzophenone
• 4,4'-DIMETHOXYBENZHYDROL
• 2,4,4'-TRIMETHOXYBENZOPHENONE