Dover Chemical DOVERPHOS 7 Phenyl Diisodecyl Phosphite

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Dover Chemical DOVERPHOS 7 Phenyl Diisodecyl Phosphite
Categories:	Other Engineering Material; Additive/Filler for Polymer
Material Notes:	Doverphos 7 is phenyl diisodecyl phosphite (PDDP). It is the highest molecular weight and lowest phosphorus content liquid alkyl-aryl phosphite. Doverphos 7 is an effective liquid phosphite heat stabilizer for polyurethanes, coatings, ABS, and polycarbonates. Typical use levels range from 0.1 to 3.0% for most applications. Doverphos 7 can be used in rigid and plasticized PVC applications to give brighter, more consistent colors. Use levels in PVC range from 0.25 to 1.00%. Information provided by DoverChem
Key Words:	CAS# 25550-98-5
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Physical Properties	Original Value	Comments

Specific Gravity	0.938 - 0.947 g/cc @Temperature 25.0 °C	ASTM D1298
Density	7.80 lb/gal
Viscosity	17 cP @Temperature 25.0 °C
Molecular Weight	438 g/mol
ASTM Color	<= 5.0	APHA; ASTM D1209

Chemical Properties	Original Value	Comments
Total Acid Number	<= 0.050	[mgKOH/gm]; ASTM D3242

Optical Properties	Original Value	Comments
Refractive Index	<= 1.481 @Temperature 25.0 °C	ASTM D1218

Component Elements Properties	Original Value	Comments
Phosphorus, P	7.1 %

Descriptive Properties
Appearance	Clear liquid

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WDOVER033 / 217652

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