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441775

Sigma-Aldrich

3,9-Bis(octadecyloxy)-2,4,8,10-tetraoxa-3,9-diphosphaspiro[5.5]undecane

Synonym(s):

Cyclic neopentanetetraylbis(octadecyl phosphite), Dioctadecyl pentaerythritol diphosphite, Distearyl pentaerythritol diphosphite, Phosphorous acid, dicyclic ester with pentaerythritol, dioctadecyl ester

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About This Item

Empirical Formula (Hill Notation):
C41H82O6P2
CAS Number:
3806-34-6
Molecular Weight:
733.03
EC Number:
223-276-6
MDL number:
MFCD00071522
UNSPSC Code:
12162002
PubChem Substance ID:
24867700
NACRES:
NA.23

form

solid

Quality Level

100

mp

44-47 °C (lit.)

SMILES string

CCCCCCCCCCCCCCCCCCOP1OCC2(CO1)COP(OCCCCCCCCCCCCCCCCCC)OC2

InChI

1S/C41H82O6P2/c1-3-5-7-9-11-13-15-17-19-21-23-25-27-29-31-33-35-42-48-44-37-41(38-45-48)39-46-49(47-40-41)43-36-34-32-30-28-26-24-22-20-18-16-14-12-10-8-6-4-2/h3-40H2,1-2H3

InChI key

PZRWFKGUFWPFID-UHFFFAOYSA-N

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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.

Application

Color stabilizer for polymers

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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