Tri Nonyl Phenyl Phosphite with CAS 26523-78-4

CAS : 26523-78-4

MF: C45H69O3P

MW: 689

DENSITY: 0.986 g/cm3

Synonym: TRIS(NONYLPHENYL) PHOSPHITE; TRIS(NONYLPHENYL) PHOSPHITE ESTER; IRGAFOS TNPP; tris(2-nonylphenyl) phosphite; Tri(nonylatedphenyl)phosphite; Tris(nonylphenyl)phosphit; Phenol, nonyl-, phosphite; Tris-(nonylphenyl)-phosphite, isomer mixture; Tris(nonylphenol)phosphite; Tris Nonyl Phenyl Phosphite (TNPP)

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What is Tri Nonyl Phenyl Phosphite with CAS 26523-78-4?

Tris(nonylphenyl) phosphite (TNPP) is an antioxidant that is majorly used as a stabilizer to improve the performance of polyethylene by decomposing the hydroperoxides. It can also be used to enhance the thermal stability by extending the polymeric chains.

Specification

ITEM	STANDARD
Appearance	Colorless or amber viscous liquid
Chroma	≤100
Refractive index	1.522- 1.529
Density(25℃ g/cm3)	0.9850~0.9950
Viscosity(25℃，cps)	3000-8000

Application

TNPP in combination with irganox is used to protect polyamide 6 (PA6) from oxidative degradation during the preparation of flame retardant nanocomposites.[3] TNPP can be used as a stabilizer that prevents the molecular weight reduction and increases the tensile strength of the composite.[4] It can also be used as a chain extender to improve the polymeric viscosity during the melt-blending of poly(hydroxybutyrate-co-hydroxyvalerate) based clay nanocomposites which find potential application as packaging materials