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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
CAS Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.23

vapor density

>1 (vs air)

Quality Level

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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form

viscous liquid

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viscous liquid

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viscous liquid

form

beads

mol wt

average Mn ~1,100

mol wt

average Mn ~2,000

mol wt

average Mn ~1,900

mol wt

average Mn ~8,400

viscosity

175 cP(25 °C, Brookfield)(lit.)

viscosity

325 cP(25 °C, Brookfield)(lit.)

viscosity

375 cP(25 °C, Brookfield)(lit.)

viscosity

1,000 cP(77 °C, Brookfield)(lit.)

transition temp

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

transition temp

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

transition temp

softening point 7 °C, cloud point 73 °C (1 wt. % aqueous solution)

transition temp

cloud point >100 °C (1 wt. % aqueous solution), Tm 52 °C

density

1.018 g/mL at 25 °C

density

1.006 g/mL at 25 °C

density

1.06 g/mL at 25 °C

density

1.06 g/mL at 25 °C

HLB

1.0 - 7.0

HLB

1.0 - 7.0.

HLB

18.0 - 23.0

HLB

>24.0

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 Code

10 - Combustible liquids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificate of Analysis

Enter Lot Number to search for Certificate of Analysis (COA).

Certificate of Origin

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