Product

O,O'-Dioctadecylpentaerythritol bis(phosphite)

CAS No.：3806-34-6

Other grades of this product :

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) 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℃
InChIKey	PZRWFKGUFWPFID-UHFFFAOYSA-N
LogP	16.4 at 25℃
EPA Substance Registry System	2,4,8,10-Tetraoxa-3,9-diphosphaspiro[5.5]undecane, 3,9-bis(octadecyloxy)- (3806-34-6)

Safety Information

WGK Germany	3
HS Code	29092000
Hazardous Substances Data	3806-34-6(Hazardous Substances Data)

MSDS Information

Provider	Language
SigmaAldrich	English

O,O'-Dioctadecylpentaerythritol bis(phosphite) Usage And Synthesis

Uses	Color stabilizer for polymers
General Description	3,9-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 Explosibility	Nonflammable

O,O'-Dioctadecylpentaerythritol bis(phosphite) Preparation Products And Raw materials

Raw materials

Phosphorus trichloride-->Pentaerythritol-->1-Octadecanol-->Triphenyl phosphite

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