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418749

Sigma-Aldrich

Pentaerythritol propoxylate (5/4 PO/OH)

average Mn ~426

Synonym(s):

Pentaerythritol propoxylate (17/8 PO/OH)

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About This Item

Linear Formula:
C[CH2[OCH2CH(CH3)]nOH]4
CAS Number:
9051-49-4
MDL number:
MFCD00197885
UNSPSC Code:
12162002
PubChem Substance ID:
24866238
NACRES:
NA.23

form

viscous liquid

mol wt

average Mn ~426

refractive index

n20/D 1.464

bp

>300 °C (lit.)

density

1.05 g/mL at 25 °C (lit.)

SMILES string

CC(O)CO.OCC(CO)(CO)CO

InChI

1S/C17H36O8.C5H12O4/c18-5-1-9-22-13-17(14-23-10-2-6-19,15-24-11-3-7-20)16-25-12-4-8-21;6-1-5(2-7,3-8)4-9/h18-21H,1-16H2;6-9H,1-4H2

InChI key

PWIIWDSISSNGLT-UHFFFAOYSA-N

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General description

Pentaerythritol propoxylate (5/4 PO/OH) is a pentaerythriol based branched polymer that can be used as a crystallization agent to generate ordered, high resolution diffraction quality crystals.

Application

Pentaerythritol propoxylate may be used as a precipitant in reservoir solution for the crystallization of Phosphate Transporter(PiPT) and Aggregation Suppressing Protein A(AgsA). It may also acts as a reservoir solution for Phytosulfokine (PSK)- receptor PSKR- and somatic embryogenesis receptor-like kinases (SERKs) complex.

Storage Class Code

10 - Combustible liquids

WGK

WGK 1

Flash Point(F)

377.6 °F - closed cup

Flash Point(C)

192 °C - closed cup

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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Crystal structure of a eukaryotic phosphate transporter.
Pedersen BP, et al.
Nature, 496(7446), 533-533 (2013)
Allosteric receptor activation by the plant peptide hormone phytosulfokine.
Wang J, et al.
Nature, 525(7568), 265-265 (2015)
Multiple oligomeric structures of a bacterial small heat shock protein.
Mani N, et al.
Scientific Reports, 6(7446), 24019-24019 (2016)
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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