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202355

Sigma-Aldrich

Poly(propylene glycol)

average Mn ~4,000

Synonym(s):

PPG, Poly(propylene oxide)

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About This Item

Linear Formula:
H[OCH(CH3)CH2]nOH
CAS Number:
25322-69-4
MDL number:
MFCD00084446
UNSPSC Code:
12162002
PubChem Substance ID:
24852058
NACRES:
NA.23

vapor density

>1 (vs air)

vapor pressure

<0.01 mmHg ( 20 °C)

description

functionality 1.7

mol wt

average Mn ~4,000

impurities

≤0.035% Water (Karl Fischer)

viscosity

1,300 cP(25 °C)(lit.)

hydroxyl value

28 mg KOH/g

solubility

H2O: <0.01 % (w/w) at 25 °C

density

1.004 g/mL at 25 °C

SMILES string

CC(O)CO

InChI

1S/C6H14O3/c1-5(8)4-9-6(2)3-7/h5-8H,3-4H2,1-2H3

InChI key

DUFKCOQISQKSAV-UHFFFAOYSA-N

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General description

Poly(propylene glycol) (PPG) is a hydrophobic polyether that is widely used in various biomedical areas such as preparation of biocompatible polyurethanes and lubricious coatings on absorbable sutures.

Application

Poly(propylene glycol) can be used:
  • As a precursor to synthesize biodegradable poly(ether-ester) networks via UV photopolymerization.
  • As a stabilizing agent in the preparation of metal nanoparticles such as gold nanoparticles.
  • As a starting material to prepare silane-terminatedpoly(urethane-urea)s (SPUR) polymers.

Storage Class Code

10 - Combustible liquids

WGK

WGK 1

Flash Point(F)

445.0 °F - closed cup

Flash Point(C)

229.44 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

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Celeste R Brennecka et al.
Journal of biomedical materials research. Part B, Applied biomaterials, 100(5), 1298-1309 (2012-04-20)
This study examines the in vitro characteristics of a crosslinking polymer system for cerebral aneurysm embolization. The polymeric material is composed of poly(propylene glycol)diacrylate (PPODA) and pentaerythritol tetrakis(3-mercaptopropionate) (QT), formulated with the liquid contrast agents Conray™ or Omnipaque™ 300. The
Jessalyn Cortese et al.
Journal of the American Chemical Society, 134(8), 3671-3674 (2012-02-11)
We show here that complementary interactions can suppress mesoscopic order and thus lead to a counterintuitive change in material properties. We present results for telechelic supramolecular polymers based on poly(propylene oxide) (PPO), thymine (Thy), and diaminotriazine (DAT). The self-complementary systems
Zhiyong Zhao et al.
Chemical communications (Cambridge, England), 48(78), 9753-9755 (2012-08-25)
The designed DNA sequences can make DNA-b-PPO undergo in situ transition between diblock and triblock upon pH changes, consequently, induce a morphology-shifting from spherical micelles to nanofibers. This process is reversible and the assembled structures have been characterized by CD
Claudio Poggio et al.
Journal of endodontics, 38(9), 1239-1243 (2012-08-16)
The objective of this study was to evaluate and compare in vitro the decalcifying capability on root canal dentin of 4 different irrigating solutions. Twenty-five freshly extracted maxillary central incisors were selected. The canals were prepared to obtain a total
Omnidirectional printing of 3D microvascular networks.
Willie Wu et al.
Advanced materials (Deerfield Beach, Fla.), 23(24), H178-H183 (2011-03-26)
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