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Dibutyl phthalate
DBP is a main plasticizer with strong intermiscibity and widely used in the manufacture of soft PVC plastic product, synthetic rubber and some celluloses(paint binder).
molecular formula: C16H22O4
molecular weight: 278.35
Quality Standards of dibutyl phthalate GB11405-89
colour (Pt-Co)≤
ester content
%≥ density (p20)
g/cm3
acidity(based on phthalic acid)≤%
weight loss after heating
%≤ flash point
°C≥ colour after thermal treatment≤ Appearance
excellent 20 99.5 1.044-1.048 0.010 0.3 160 100 transparent, oil liquid
frist grade 25 99.0 1.044-1.048 0.015 0.5 160 -
qualified 60 99.0 1.044-1.048 0.030 0.7 110 -
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