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Merck
CN

435406

Poly(ethylene glycol)-block-poly(propylene glycol)-block-poly(ethylene glycol)

average Mn ~1,100

Synonym(s):

Nanopatterning, Pluronic® L-31, block-copolymers, PEG-PPG-PEG

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About This Item

CAS Number:
9003-11-6
UNSPSC Code:
12352112
PubChem Substance ID:
24867230
NACRES:
NA.23
MDL number:
MFCD00082049

Key Documents

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Product Name

Poly(ethylene glycol)-block-poly(propylene glycol)-block-poly(ethylene glycol), average Mn ~1,100

SMILES string

O2C(C2)C.O1CC1

InChI

1S/C3H6O.C2H4O/c1-3-2-4-3;1-2-3-1/h3H,2H2,1H3;1-2H2

InChI key

RVGRUAULSDPKGF-UHFFFAOYSA-N

vapor density

>1 (vs air)

vapor pressure

<0.3 mmHg ( 20 °C)

form

viscous liquid

mol wt

average Mn ~1,100

composition

PEG, 10 wt. %

refractive index

n20/D 1.453

surface tension

47 dyn/cm, 25 °C, 0.1 wt. % in H2O

viscosity

175 cP(25 °C, Brookfield)(lit.)

transition temp

softening point −32 °C
cloud point 37 °C (1 wt. % aqueous solution)

density

1.018 g/mL at 25 °C

HLB

1.0 - 7.0

Quality Level

100

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Application

Hard and soft surface cleaners, defoamers in coatings and water treatment. Lubricant in metal working, anti-foaming aid and extender for linear and cross-linked polyesters and polyurethanes.

Features and Benefits

Surface active material whose properties are dependent on the hydrophilic (EO)/hydrophobic (PO) ratio. High EO content gives better o/w stabilizers.

Physical form

Terminal primary dihydroxy-functional oligomer.

Legal Information

Pluronic is a registered trademark of BASF

Storage Class

10 - Combustible liquids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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Certificates of Analysis (COA)

Lot/Batch Number
MKCP8935
MKCG3093
MKBT0731V
MKAA3442V
MKAA3442

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Houjian Gong et al.
Langmuir : the ACS journal of surfaces and colloids, 28(38), 13590-13600 (2012-09-08)
The block polyethers PEO-PPO-ph-PPO-PEO (BPE) and PPO-PEO-ph-PEO-PPO (BEP) are synthesized by anionic polymerization using bisphenol A as initiator. Compared with Pluronic P123, the aggregation behaviors of BPE and BEP at an air/water interface are investigated by the surface tension and
Laurien Buitinga et al.
Clinical and experimental rheumatology, 29(5), 783-789 (2011-10-04)
The Time Trade-Off (TTO) is an instrument used for valuing health-related quality of life. This study evaluated the test-retest reliability of a computer TTO in rheumatoid arthritis (RA), and compared the computer with the interview TTO regarding feasibility and agreement.
Tsz Chung Lai et al.
Colloids and surfaces. B, Biointerfaces, 99, 27-37 (2011-10-18)
Polyplex particles formed with plasmid DNA (pDNA) and Pluronic P85-block-poly{N-[N-(2-aminoethyl)-2-aminoethyl]aspartamide} (P85-b-P[Asp(DET)]) demonstrated highly effective transfection ability compared to PEG-based block cationomer, PEG-b-P[Asp(DET)]. Ternary polyplexes comprising PEG-b-P[Asp(DET)], poly(ethylene oxide)-b-poly(propylene oxide)-b-poly(ethylene oxide)-b-P[Asp(DET)] (P(EPE)-b-P[Asp(DET)]) used as an analog of P85-b-P[Asp(DET)], and pDNA were
D J Bartley et al.
Veterinary parasitology, 187(3-4), 464-472 (2012-03-21)
Non-specific mechanisms involving ATP-binding cassette drug efflux transporters may play an important role in xenobiotic clearance in ovine gastro-intestinal nematodes. By using transporter inhibitors, the aim of this trial was to assess the possibility of increasing drug bioavailability in the
Mi Mi Wan et al.
Journal of colloid and interface science, 377(1), 497-503 (2012-04-18)
New concept on the promotion of immobilization and catalytic activity of enzyme on mesoporous silica through template micelles is proposed and realized in this paper. Proper P123 templates are controllable retained in the as-synthesized SBA-15, not only to anchor the
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