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435406

Sigma-Aldrich

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

average Mn ~1,100

Synonym(s):

Pluronic® L-31, PEG-PPG-PEG

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About This Item

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

vapor density

>1 (vs air)

Quality Level

100

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

InChI

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

InChI key

RVGRUAULSDPKGF-UHFFFAOYSA-N

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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_germany

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
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
Neeta Jain-Gupta et al.
FEMS immunology and medical microbiology, 66(3), 436-444 (2012-11-21)
Brucellosis is the most common zoonotic disease worldwide, and there is no vaccine for human use. Brucella melitensis Rev1, a live attenuated strain, is the commercial vaccine for small ruminants to prevent B. melitensis infections but has been associated with abortions
Yanbin Guan et al.
Archives of pharmacal research, 34(10), 1719-1728 (2011-11-15)
The aim of the present study was to evaluate the effect of pluronic P123 (P123) and pluronic F127 (F127) on intestinal P-glycoprotein (P-gp) and cytochrome P450 3A using the specific substrates rhodamine-123 (R-123) and midazolam, respectively. Caco-2 cells and everted
Wanhua Feng et al.
Colloids and surfaces. B, Biointerfaces, 105, 43-50 (2013-01-29)
The interaction between bacteria and surfaces is central to many environmental, industrial and medical applications. Surfactants are commonly used in these applications and can potentially influence the bacterium/surface interaction. The effect of surfactants upon bacterial cell surface thermodynamic properties was
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Mesoporous Materials Synthesis

Mesoporous materials are formed by a self-assembly process from combined solutions of sol-gel precursors (e.g., metal alkoxides) and structure-directing amphiphiles, usually block-copolymers or surfactants.

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