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Merck

435422

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

average Mn ~2,000

Synonym(s):

Nanopatterning, Pluronic® L-61, block-copolymers, PEG-PPG-PEG

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About This Item

CAS Number:
691397-13-4
UNSPSC Code:
12352112
PubChem Substance ID:
24867232
NACRES:
NA.23
MDL number:
MFCD00082049

Key Documents

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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 ~2,000

composition

PEG, 10 wt. %

refractive index

n20/D 1.4531

viscosity

325 cP(25 °C, Brookfield)(lit.)

transition temp

softening point −29 °C, cloud point 15-19 °C (10 wt. % aqueous solution)

density

1.006 g/mL at 25 °C

HLB

1.0 - 7.0.

Quality Level

200

Related Categories

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

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

435422-BULK: + 435422-1L: + 435422-250ML: + 435422-VAR:

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Xijun Zhang et al.
Journal of Huazhong University of Science and Technology. Medical sciences = Hua zhong ke ji da xue xue bao. Yi xue Ying De wen ban = Huazhong keji daxue xuebao. Yixue Yingdewen ban, 31(6), 842-845 (2011-12-17)
This study examined the effect of P85 (a pluronic block copolymer) and microbubble (MB) ultrasound contrast agents under ultrasound irradiation on gene transfection and expression. The pEGFP plasmids that can encode enhanced green fluorescent protein (pEGFP) served as a report
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
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