O,O'-Dioctadecylpentaerythritol bis(phosphite)

O,O'-Dioctadecylpentaerythritol bis(phosphite) Basic information
Product Name:O,O'-Dioctadecylpentaerythritol bis(phosphite)
Synonyms:-2,4,8,10-tetraoxa-3,9-diphosphaspiro[5.5]undecane;3,9-Bis(octadecyloxy);Distearylpentaerythritol Diphosphite;Distearyl Pentaerythrityl Diphsophite;Weston 618;2,4,8,10-Tetraoxa-3,9-diphosphaspiro5.5undecane, 3,9-bis(octadecyloxy)-;CYCLICNEOPENTANETETRAYLBIS(OCTADECYLPHOSPHITE);AO-118
CAS:3806-34-6
MF:C41H82O6P2
MW:733.03
EINECS:223-276-6
Product Categories:Polymer Additives;Polymer Science;Stabilizers
Mol File:3806-34-6.mol
O,O'-Dioctadecylpentaerythritol bis(phosphite) Structure
O,O'-Dioctadecylpentaerythritol bis(phosphite) Chemical Properties
Melting point 44-47 °C(lit.)
Boiling point 692.2±55.0 °C(Predicted)
density 1.05[at 20℃]
vapor pressure 0Pa at 25℃
Fp >230 °F
storage temp. 2-8°C
form neat
Water Solubility 330ng/L at 25℃
InChIKeyPZRWFKGUFWPFID-UHFFFAOYSA-N
LogP16.4 at 25℃
EPA Substance Registry System2,4,8,10-Tetraoxa-3,9-diphosphaspiro[5.5]undecane, 3,9-bis(octadecyloxy)- (3806-34-6)
Safety Information
WGK Germany 3
HS Code 29092000
Hazardous Substances Data3806-34-6(Hazardous Substances Data)
MSDS Information
ProviderLanguage
SigmaAldrich English
O,O'-Dioctadecylpentaerythritol bis(phosphite) Usage And Synthesis
UsesColor stabilizer for polymers
General Description3,9-Bis(octadecyloxy)-2,4,8,10-tetraoxa-3,9-diphosphaspiro[5.5]undecane is a diphosphaspiro compound which contains two phosphorus atoms and can be used as an antioxidant and as a reducing agent.
Flammability and ExplosibilityNonflammable
O,O'-Dioctadecylpentaerythritol bis(phosphite) Preparation Products And Raw materials
Raw materialsPhosphorus trichloride-->Pentaerythritol-->1-Octadecanol-->Triphenyl phosphite
Antioxidant 1135 Distearyl thiodipropionate Antioxidant 1076 Antioxidant 1010 4,4'-Thiobis(6-tert-butyl-m-cresol) Water treatment agent POE O,O'-Dioctadecylpentaerythritol bis(phosphite) Antioxidant 1520 Phosphite Complex antioxidant ISOAMYL ALCOHOL Dipentaerythritol Alloxan Pentaerythritol triacrylate Antioxidant 168 ANTIOXIDANT 765 Pentaerythritol Antioxidant 1330

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