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products application

specification

trade name
synsorb-988
cas no
6337-43-5
chemical name
tetraethyl 2,2'-(1,4-phenylenedimethylidyne)bismalonate
molecular formula
c22h26o8
molecular weight
418.44
specification

appearance : white to off white powder

melting point  : 137 ~ 140℃


application

synsorb-988 is a benzylidene-bis-malonate type uv absorber with pronounced absorptivity in the high energy (low wavelength) range of the uv spectrum, shows a significant improvement of long term stability of pc. a highly efficient & colorless uv absorber for plastic materials, particularly engineering plastics such as polycarbonate and polyesters.

package
25kg/drum


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