Tris(nonylphenyl) phosphite

Cat.No ACM26523784-2

Basic Information Description Application Features And Benefits

CAS	26523-78-4
Catalog Number	ACM26523784-2
Synonyms	Tri(monononylphenyl) phosphite
IUPAC Name	Tris(2-nonylphenyl) phosphite
Molecular Weight	689.00
Molecular Formula	(C9H19C6H4O)3P
Canonical SMILES	CCCCCCCCCc1ccccc1OP(Oc2ccccc2CCCCCCCCC)Oc3ccccc3CCCCCCCCC
InChI	1S/C45H69O3P/c1-4-7-10-13-16-19-22-31-40-34-25-28-37-43(40)46-49(47-44-38-29-26-35-41(44)32-23-20-17-14-11-8-5-2)48-45-39-30-27-36-42(45)33-24-21-18-15-12-9-6-3/h25-30,34-39H,4-24,31-33H2,1-3H3
InChI Key	WGKLOLBTFWFKOD-UHFFFAOYSA-N
Boiling Point	>360 °C (lit.)
Flash Point	>230 °F
Density	0.99 g/mL at 25 °C (lit.)
EC Number	247-759-6
MDL Number	MFCD00015301
NACRES	NA.23
Packaging	Packaging 250 mL in poly bottle
PubChem ID	24867705
Quality Level	100
Refractive Index	n20/D 1.528 (lit.)

Description 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.

Application TNPP in combination with irganox is used to protect polyamide 6 (PA6) from oxidative degradation during the preparation of flame retardant nanocomposites. TNPP can be used as a stabilizer that prevents the molecular weight reduction and increases the tensile strength of the composite. 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 as packaging materials.

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