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81316

Sigma-Aldrich

Poly(ethylene glycol) methyl ether

average Mn 500

Synonym(s):

Methoxy poly(ethylene glycol), Polyethylene glycol monomethyl ether, mPEG

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About This Item

Linear Formula:
CH3(OCH2CH2)nOH
CAS Number:
9004-74-4
MDL number:
MFCD00084416
UNSPSC Code:
12162002

vapor density

>1 (vs air)

vapor pressure

0.05 mmHg ( 20 °C)

description

non-ionic

mol wt

470-530
average Mn 500

mp

20 °C (lit.)

InChI

1S/C3H8O2/c1-5-3-2-4/h4H,2-3H2,1H3

InChI key

XNWFRZJHXBZDAG-UHFFFAOYSA-N

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Other Notes

Catalyst for phase-transfer reactions; Preparation of monofunctional PEGs

Storage Class Code

10 - Combustible liquids

WGK

WGK 1

Flash Point(F)

359.6 °F - closed cup

Flash Point(C)

182 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

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D.G. Lee et al.
Canadian Journal of Chemistry, 60, 2456-2456 (1982)
Y. Kimura et al.
The Journal of Organic Chemistry, 47, 2493-2493 (1982)
M. Mutter et al.
Reactive Polymers, 6, 99-99 (1987)
Tommaso Biancalani et al.
Molecular systems biology, 15(6), e8707-e8707 (2019-06-13)
Quantifying virulence remains a central problem in human health, pest control, disease ecology, and evolutionary biology. Bacterial virulence is typically quantified by the LT50 (i.e., the time taken to kill 50% of infected hosts); however, such an indicator cannot account
Yi Wei et al.
Langmuir : the ACS journal of surfaces and colloids, 28(39), 13984-13992 (2012-09-04)
The microcosmic mechanisms of protein (recombinant human growth hormone, rhGH) incomplete release and stability from amphiphilic poly(monomethoxypolyethylene glycol-co-D,L-lactide) (mPEG-PLA, PELA) microspheres were investigated. PELA with different hydrophilicities (PELA-1, PELA-2, and PELA-3) based on various ratios of mPEG to PLA were
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