Skip to Content
Merck
All Photos(2)

Documents

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

Sign Into View Organizational & Contract Pricing
All Photos(2)

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

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

Looking for similar products? Visit Product Comparison Guide

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’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Customers Also Viewed

Slide 1 of 3

1 of 3

Plastic additive 10 United States Pharmacopeia (USP) Reference Standard

USP

1545012

Plastic additive 10

Plastic additive 11 United States Pharmacopeia (USP) Reference Standard

USP

1545023

Plastic additive 11

Plastic additive 12 European Pharmacopoeia (EP) Reference Standard

P2155012

Plastic additive 12

Estimation of the biobased carbon content of polypropylene resin in composites on the basis of the carbon 14 concentration
Taguchi K, et al.
Journal of Applied Polymer Science, 131(6), 40-48 (2014)
Microplastics as a vector of hydrophobic contaminants: Importance of hydrophobic additives
Kwon J, et al.
Integrated Environmental Assessment and Management, 13(3), 494-499 (2017)
From Laboratory to Industrial Continuous Production of Polylactic Acid with Low Residual Monomer
Macromolecular Symposia, 360(1), 40-48 (2016)
The formulator's guide to anti-oxygen inhibition additives
Husar B, et al.
Progress in Organic Coatings, 77(11), 1789-1798 (2014)

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service