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202355

Sigma-Aldrich

Poly(propylene glycol)

average Mn ~4,000

Sinônimo(s):

PPG, Poly(propylene oxide)

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About This Item

Fórmula linear:
H[OCH(CH3)CH2]nOH
Número CAS:
25322-69-4
Número MDL:
MFCD00084446
Código UNSPSC:
12162002
ID de substância PubChem:
24852058
NACRES:
NA.23

densidade de vapor

>1 (vs air)

pressão de vapor

<0.01 mmHg ( 20 °C)

descrição

functionality 1.7

peso molecular

average Mn ~4,000

Impurezas

≤0.035% Water (Karl Fischer)

viscosidade

1,300 cP(25 °C)(lit.)

índice de hidroxila

28 mg KOH/g

solubilidade

H2O: <0.01 % (w/w) at 25 °C

densidade

1.004 g/mL at 25 °C

cadeia de caracteres SMILES

CC(O)CO

InChI

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

chave InChI

DUFKCOQISQKSAV-UHFFFAOYSA-N

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Descrição geral

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.

Aplicação

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.

Código de classe de armazenamento

10 - Combustible liquids

Classe de risco de água (WGK)

WGK 1

Ponto de fulgor (°F)

445.0 °F - closed cup

Ponto de fulgor (°C)

229.44 °C - closed cup

Equipamento de proteção individual

Eyeshields, Gloves

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Mohammed Taghi Zafarani-Moattar et al.
Biotechnology progress, 28(1), 146-156 (2011-09-29)
In this work, we proposed a novel aqueous biphasic system (ABS) composed of polypropylene glycol P400 (PPG P400) and hydrophilic ionic liquids (IL), 1-alkyl-3-methylimidazolium bromide (alkyl = ethyl or butyl), forming an upper polymer-rich phase and a lower IL-rich phase
Celeste R Brennecka et al.
World neurosurgery, 78(5), 469-480 (2011-11-29)
Current treatments for cerebral aneurysms are far from ideal. Platinum coils are prone to compaction, and currently used liquid embolics are delivered with angiotoxic agents. This work presents initial in vivo studies of a novel liquid-to-solid gelling polymer system (PPODA-QT)
John Texter et al.
Macromolecular rapid communications, 33(1), 69-74 (2011-12-03)
The controlled atom transfer radical polymerization of an ionic liquid, 1-(11-acryloylundecyl)-3-methyl imidazolium bromide (ILBr), from both ends of a telechelic poly(propylene oxide) (PPO) macroinitiator, end-functionalized with bromoisobutyryloyl is reported. The resulting highly water-soluble triblock, poly(ILBr-b-PO-b-ILBr) is multistimuli responsive. This new
Flávia Chiva Carvalho et al.
Journal of biomedical nanotechnology, 8(2), 280-289 (2012-04-21)
In the last few decades, nanotechnology has led to an advance in the development of topical drug delivery. Nanostructured drug delivery systems enable the compartmentalization of drugs in restricted environments, modifying the release profile and maintaining the required drug concentration
R De Lisi et al.
Physical chemistry chemical physics : PCCP, 13(27), 12571-12577 (2011-06-15)
The study highlighted the main forces driving the formation of hydroxypropyl-cyclodextrins (HP-CDs) + poly(propylene) glycol 725 g mol(-1) inclusion complexes. The temperature parameter was chosen as the variable to modulate the hydrophobicity of the polymer, and consequently ITC experiments as
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