2,2-DIETHOXY-1-PHENYLETHANONE

PRODUCT IDENTIFICATION
CAS NO. 6175-45-7

2,2-DIETHOXY-1-PHENYLETHANONE

EINECS NO. 228-220-4
FORMULA C6H5COCH(OC2H5)2
MOL WT. 208.26
H.S. CODE
TOXICITY Oral rat LD50: 5660 ul/kg
SYNONYMS 2,2-Diethoxyacetophenone; DEAP;
2-(Diethyl acetal)-phenyl-Glyoxal; Phenylglyoxal diethyl acetal; alpha,alpha- Diethoxyacetophenone;
PRICE

 

CLASSIFICATION

 
 

PHYSICAL AND CHEMICAL PROPERTIES
PHYSICAL STATE clear to light yellow liquid
MELTING POINT > 0 C
BOILING POINT  
SPECIFIC GRAVITY 1.034
SOLUBILITY IN WATER  
AUTOIGNITION  
pH  
VAPOR DENSITY 7.2

REFRACTIVE INDEX

  
NFPA RATINGS Health: 1; Flammability: 1; Reactivity: 0
FLASH POINT

49 C

STABILITY Stable under ordinary conditions

APPLICATIONS
Polymerization is initiated generally by free radical. There are four types of free radical initiators which initiate polymerization.
  • Peroxides including hydroperoxides (tertiary-butyl hydroperoxide, benzoylperoxide)
  • Azocompound thermal initiators (azoisobutyronitrile)
  • Redoxinitiators (mixture of iron(III) acetylacetonate): free radicals are formed by one-electron transferreactions. Useful in low temperature and emulsion polymerization
  • Photoinitiators (benzoin, benzil dimethylketal)

The main advantage of polymerization started by photoinitiators is temperature-independence and easy control. It can be conducted at very low temperatures and can be stopped simply by removing the light source. Photoinitiators are compounds that break down into free radicals upon exposure to ultraviolet radiation. Photoinitiators undergo a unimolecular bond cleavage upon irradiation to yield free radicals (benzoin esters; benzil ketals; alpha-dialkoxy acetophenones; alpha-hydroxy-alkylphenones; alpha-amino alkyl- phosphine; acylphosphine oxides). Another type of photoinitiators undergo a bimolecular reaction where the excited state of the photoinitiator interacts with a second molecule (a coinitiator) to generate free radicals(benzo phenones,amines; thioxanthones,amines; titanocenes). Photoinitiators are widely applied in UV curing inks, wood coatings, paper coatings, optical fiber, PCB, screen printing , paper varnish and other surface coatings.
SALES SPECIFICATION

APPEARANCE

 clear to light yellow liquid

ASSAY

97.0% min

COLOR, GARDNER

5 max

TRANSPORTATION
PACKING 200kgs in drum
HAZARD CLASS not regulated
UN NO.  
OTHER INFORMATION
Hazard Symbols: XI, Risk Phrases: 33/36/37/38, Safety Phrases: 24/25