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Sigma-Aldrich

Pentaerythritol ethoxylate (15/4 EO/OH)

average Mn ~797

Synonym(s):

Pentaerythritol ethoxylate

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About This Item

Linear Formula:
C[CH2(OCH2CH2)nOH]4
CAS Number:
MDL number:
UNSPSC Code:
12162002
NACRES:
NA.23

form

viscous liquid

mol wt

average Mn ~797

refractive index

n20/D 1.475

bp

>300 °C (lit.)

density

1.2 g/mL at 25 °C (lit.)

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General description

Pentaerythritol ethoxylate (15/4 EO/OH) is a branched polymer with pentaerythritol as a backbone. It can be used as a precipitant which can facilitate the screening and refinement of crystallization conditions.

Application

Pentaerythritol ethoxylate (15/4 EO/OH) has been used in the synthesis of tetrafunctional macroinitiator which can be used in the preparation of amphiphilic copolymers. It can also be reacted with 4,4′-methylenebis(phenylisocyanate)(MDI) which can be potentially used in the preparation of metallized polyurethane(PU) resins.

Storage Class Code

10 - Combustible liquids

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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Synthesis of amphiphilic star block copolymers of polystyrene with PEG core via ATRP?control of chain architecture and the formation of core-shell type globular structure.
An SG, et al.
Polymer, 47(11), 4154-4162 (2006)
Metallization of cross-linked polyurethane resins by reduction of polymer-incorporated metal ion.
Shibata M and Ito T
Polymer, 44(19), 5617-5623 (2003)
Pentaerythritol propoxylate: a new crystallization agent and cryoprotectant induces crystal growth of 2-methylcitrate dehydratase.
Gulick A, et al.
Acta Crystallographica Section D, Biological Crystallography, 58(2), 306-309 (2002)

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