2,2-Dimethoxy-2-phenylacetophenone Chemical Properties

Melting point:

67-70 °C(lit.)

Boiling point:

169°C 7mm

Density 

1.1320 (rough estimate)

vapor pressure 

0.002Pa at 25℃

refractive index 

1.5590 (estimate)

Flash point:

190 °C

storage temp. 

Keep in dark place,Sealed in dry,Room Temperature

solubility 

methylene chloride: 20 mg/mL, clear

form 

Crystalline Powder

color 

White to pale yellow

Water Solubility 

66.32mg/L at 25℃

BRN 

2054295

Stability:

Stable, but light-sensitive. Combustible. Incompatible with strong acids, strong oxidizing agents.

InChIKey

KWVGIHKZDCUPEU-UHFFFAOYSA-N

LogP

2.95 at 25℃

CAS DataBase Reference

24650-42-8(CAS DataBase Reference)

NIST Chemistry Reference

Ethanone, 2,2-dimethoxy-1,2-diphenyl-(24650-42-8)

EPA Substance Registry System

Ethanone, 2,2-dimethoxy-1,2-diphenyl- (24650-42-8)

Safety Information

Hazard Codes 

Xi,N

Risk Statements 

43-50/53

Safety Statements 

36/37-60-61

RIDADR 

UN 3077 9/PG 3

WGK Germany 

2

RTECS 

KM5775658

F 

8

HazardClass 

9

PackingGroup 

III

HS Code 

29145090

MSDS

• Language:English Provider:Benzil alpha,alpha-dimethyl acetal
• Language:English Provider:SigmaAldrich
• Language:English Provider:ACROS

2,2-Dimethoxy-2-phenylacetophenone Usage And Synthesis

use

2,2-Dimethoxy-2-phenylacetophenone is a photoinitiator, which is used to initialise radical polymerization e.g. in the preparation of acrylate polymers.[1] Under the influence of light the molecule will form radicals which initiate the radical polymerization. It can also be used as an initiator in the process of making an integrated circuit.

Chemical properties

White crystal, melting point 64.0-67.0 ℃, soluble in acetone, ethyl acetate, hot methanol and isopropanol, insoluble in water, easily decomposed in case of acid, stable in alkaline, photosensitive, mainly used as UV (ultra-violet ) curing agent in UV curing system, applied to ink, paper and metal paint, stored in a sealed package, protected from light and heat.

Enterprise standard reference

loss on drying% ≤0.5
Ignited residue% ≤0.1
Water content  ≤0.5
transparency (10% acetone solution) transparent
Benzoin residue  0.2%
Solubility (g/100g solvent 25 ℃) acetone >50 methanol 41 styrene >50 butyl acetate >50
transmission 95.0%(425nm) 96.0%(450nm) 98.0%(500nm)

Application

It is widely used in the polymerization of acrylic acid and acrylate, the polymerization and crosslinking of unsaturated polyester. It has been applied in coatings and adhesives and mainly used as UV (ultra-violet ) curing agent in UV curing system, applied to ink, paper and metal paint.
BDK is a kind of highly efficient UV curing initiator, which is mainly used as initiator of UV curing reaction. It is also used as
(1) Used as analytical reagent;
(2) Used for Photosensitive resin printing;
(3)Used as UV curable coatings and inks.

Chemical Properties

solid

Uses

2,2-Dimethoxy-2-phenylacetophenone (cas# 24650-42-8) is a compound useful in organic synthesis.

2,2-Dimethoxy-2-phenylacetophenone(24650-42-8)Related Product Information

• Diphenyldimethoxysilane
• Dimethyl fumarate
• Benzoin
• Acetophenone
• 3',5'-Dimethoxyacetophenone
• Dimethyl carbonate
• 3,4-Dimethoxyacetophenone
• 2,2-Bis(hydroxymethyl)propionic acid
• 2,2-Diethoxyacetophenone
• 4'-Methoxyacetophenone
• BENZOIN METHYL ETHER
• Dimethyl sulfoxide
• 1,1-Dimethoxyethane
• Dimethyldimethoxysilane
• Diphenyldiethoxysilane
• 2'-Methoxyacetophenone
• 3-Methoxyacetophenone
• BENZOIN COMPOUND TINCTURE