ChemicalBook--->CAS DataBase List--->24650-42-8

24650-42-8

24650-42-8 Structure

24650-42-8 Structure
IdentificationMore
[Name]

2,2-Dimethoxy-2-phenylacetophenone
[CAS]

24650-42-8
[Synonyms]

2,2-DIMETHOXY-2-PHENYLACETOPHENONE
ALPHA,ALPHA-DIMETHOXY-ALPHA-PHENYLACETOPHENONE
BDK
BENZIL ALPHA,ALPHA-DIMETHYL ACETAL
BENZIL DIMETHYL KETAL
DIMETHYL BENZIL KETAL
DMPA
PHOTOCURE 51
1,2-Diphenylethane-1,2-dione,dimethylketal
2,2-dimethoxy-1,2-diphenyl-ethanon
2,2-Dimethoxy-1,2-diphenylethanone
2,2-dimethoxy-1,2-diphenyl-Ethanone
2,2-dimethoxyphenylacetophenone
alpha,alpha-dimethoxydeoxybenzoin
benzildimethylacetal
benzilmono(dimethylacetal)
benzilmono(dimethylketal)
esacurekb1
Ethanone,2,2-dimethoxy-1,2-diphenyl-
irg651
[EINECS(EC#)]

246-386-6
[Molecular Formula]

C16H16O3
[MDL Number]

MFCD00008475
[Molecular Weight]

256.3
[MOL File]

24650-42-8.mol
Chemical PropertiesBack Directory
[Appearance]

solid
[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)
[Fp ]

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
[Stability:]

Stable, but light-sensitive. Combustible. Incompatible with strong acids, strong oxidizing agents.
[Water Solubility ]

66.32mg/L at 25℃
[BRN ]

2054295
[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]

24650-42-8(EPA Substance)
Questions And AnswerBack Directory
[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.
Safety DataBack Directory
[Hazard Codes ]

Xi,N
[Risk Statements ]

R43:May cause sensitization by skin contact.
R50/53:Very Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment .
[Safety Statements ]

S36/37:Wear suitable protective clothing and gloves .
S60:This material and/or its container must be disposed of as hazardous waste .
S61:Avoid release to the environment. Refer to special instructions safety data sheet .
[RIDADR ]

UN 3077 9/PG 3
[WGK Germany ]

2
[RTECS ]

KM5775658
[F ]

8
[HazardClass ]

9
[PackingGroup ]

III
[HS Code ]

29145090
Material Safety Data Sheet(MSDS)Back Directory
[msds information]

Benzil alpha,alpha-dimethyl acetal(24650-42-8).msds
Hazard InformationBack Directory
[Uses]

2,2-Dimethoxy-2-phenylacetophenone (cas# 24650-42-8) is a compound useful in organic synthesis.
Spectrum DetailBack Directory
[Spectrum Detail]

2,2-Dimethoxy-2-phenylacetophenone(24650-42-8)1HNMR
2,2-Dimethoxy-2-phenylacetophenone(24650-42-8)FT-IR
2,2-Dimethoxy-2-phenylacetophenone(24650-42-8)Raman
2,2-Dimethoxy-2-phenylacetophenone(24650-42-8)IR
Well-known Reagent Company Product InformationBack Directory
[Acros Organics]

2,2-Dimethoxy-2-phenylacetophenone, 99%(24650-42-8)
[Sigma Aldrich]

24650-42-8(sigmaaldrich)
[TCI AMERICA]

2,2-Dimethoxy-2-phenylacetophenone,>98.0%(GC)(24650-42-8)
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