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Sigma-Aldrich

Polyethylene

average Mw ~4,000 by GPC, average Mn ~1,700 by GPC

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Synonym(s):
PE
Linear Formula:
H(CH2CH2)nH
CAS Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.23

form

powder

mol wt

average Mn ~1,700 by GPC
average Mw ~4,000 by GPC

viscosity

1.5 poise(25 °C, Brookfield Thermosel)(lit.)

mp

92 °C

acid number

<0.05 mg KOH/g

transition temp

softening point 106 °C (ring and ball)

density

0.92 g/mL at 25 °C

InChI

1S/C2H4/c1-2/h1-2H2

InChI key

VGGSQFUCUMXWEO-UHFFFAOYSA-N

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Application

Mold release additive, lubricant in rubber processing, extrusion and calendering aid for PVC and dispersing aid for color concentrates.PEG-4000 may be used as a precipitant during protein fractionation and virus precipitation.Influence of PEG of various molecular weights on mammalian cell hybridization.

Features and Benefits

Low molecular weight and viscosity for easy processing.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Reduced cortical neurotransmitPolyethylene glycol-induced mammalian cell hybridization: Effect of polyethylene glycol molecular weight and concentration.
Davidson RL, et al.
Somatic Cell Genetics, 2(3), 271-280 (1976)
A method for the estimation of polyethylene glycol in plasma protein fractions, Analytical Biochemistry
Sims GEC and Snape TJ
Analytical Biochemistry, 107(1), 60-63 (1980)
Lisa K McCarthy et al.
Pediatrics, 132(1), e135-e141 (2013-06-19)
Hypothermia on admission to the NICU is associated with increased mortality in preterm infants. Many newborns are hypothermic on admission despite using polyethylene bags (PBs). Using exothermic mattresses (EMs) in addition to PBs may reduce hypothermia but increase hyperthermia. We
Łukasz Krakowxzyk et al.
Medical science monitor basic research, 19, 210-213 (2013-08-22)
The search for new surgical flap techniques and modifications of already existing ones is gaining increasing popularity. Progress in flap designing and harvesting have improved the functional and aesthetic results, especially in head and neck reconstruction. Ten pigs were used
Frederick J Kummer et al.
Journal of long-term effects of medical implants, 22(2), 177-179 (2013-02-23)
A polyethylene cup explanted after 41 years was examined using several analytical techniques to determine whether there was a material cause for the extremely low wear observed. Neither the amount of polyethylene oxidation nor crystallinity appeared to be a factor.

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