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PowerSorb™ 312

N-(2-Ethoxyphenyl)-N'-(2-ethylphenyl)oxamide.
Synonym:Ethanediamide, N-(2-ethoxyphenyl)-N'-(2-ethylphenyl)-;N-(2-Ethoxyphenyl)-N'-(4-ethylphenyl)-Ethlyene diamide
Chemical Structure
Introduction / Features
PowerSorb™ 312 provides excellent light stability in plastics and coatings. It is less discoloring than conventional UV absorbers, even in alkaline environments and in the presence of metal catalyst residues.
Physical Properties
Chemical Name: N-(2-Ethoxyphenyl)-N'-(2-ethylphenyl)oxamide
CAS No.: 23949-66-8
EINECS No.: 245-950-9
Formula: C18H20N2O3
Molecular Weight: 312
Specific Gravity[20°C]: 1.26
Melting Point(°C): 124-128
Vapor Pressure[20°C, Pa]: 5.5E-8
Boiling Point(°C): Min.400
pH-value: 5.4
Volatile Loss (%): Max.0.5
Color of Solution 460nm (%): Min.95
Color of Solution 500nm (%): Min.97
Appearance: Pale Yellow Powder
Min. Purity: 98%

Solubility (20°C) % w/w
Acetone: 4
Chloroform: 20
n-Hexane: 0.2
Methanol: 0.4
Benzene: 7
Ethanol: 0.3
MMA: 4
Dichloromethane: 18
Toluene: 5.5
Water: <0.01

Applications
PowerSorb™ 312 is a UV absorber of the oxanilide class which is effective for the light stabilization of a broad range of plastics and coatings. Plastic applications include polyamides, PVC (rigid and flexible), polyesters (thermoplastic and thermoset), polyurethanes, adhesives, and sealants. The product is also suitable for use in powder coatings and solvent-borne coatings for automotive, industrial, and architectural applications.
Packings
PowerSorb™ 312 is supplied in 20 kg net/carton box.
Technical Library
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