Triphenyl phosphite is a phosphite compound. It is an auxiliary antioxidant with light stabilizing effect. It is suitable for polyvinyl chloride, polypropylene, polystyrene, polyester, ABS resin, epoxy resin, etc. it can maintain the transparency of its products and inhibit the color change; It can also be used as plasticizer of fiber film, with excellent transparency and water resistance; It can be used in engineering plastics and phenolic resin together with halogen flame retardants, which can play the role of flame retardancy and oxygen resistance and have light stability; It is also an important intermediate for preparing trialkyl phosphite.
CAS No.
101-02-0
Formula
C18H15O3P
Molecular Mass
310.28400
Exact Mass
310.07600
PSA
41.28000
Logp
5.45030
IUPAC
triphenyl phosphite
Attribute classification
Matter Classification
organic
Category
Chemical and Physical Properties
Melting Point
22-24 °C(lit.)
Density
1.184 g/mL
Boiling Point
360 °C(lit.)
Flash Point
425 °F
Appearance
Colorless to light yellow liquid
Acidity and Basicity
neutral
Export information
HS Code
29202910
UN No.
3077
DG-Class
9
Risk Code
R36/38-50/53
Safety Label
Xn,N,Xi
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