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Documentos

427772

Sigma-Aldrich

Polyethylene

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

Sinónimos:

PE

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About This Item

Fórmula lineal:
H(CH2CH2)nH
Número de CAS:
9002-88-4
MDL number:
MFCD00084423
UNSPSC Code:
12162002
PubChem Substance ID:
24866779
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

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

Certificados de análisis (COA)

Busque Certificados de análisis (COA) introduciendo el número de lote del producto. Los números de lote se encuentran en la etiqueta del producto después de las palabras «Lot» o «Batch»

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High Density Polyethylene United States Pharmacopeia (USP) Reference Standard

USP

1546707

High Density Polyethylene

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S893676

OCTACHLORO-1,3-PENTADIENE

Low-Density Polyethylene United States Pharmacopeia (USP) Reference Standard

USP

1546809

Low-Density Polyethylene

Polyethylene Ultra-high molecular weight, surface-modified, powder, 125&#160;&#956;m avg. part. size

Sigma-Aldrich

434264

Polyethylene

Polypropylene Isotactic, average Mw ~250,000, average Mn ~67,000

Sigma-Aldrich

427888

Polypropylene

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)
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)
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
Nina Bloecher et al.
Biofouling, 29(3), 237-246 (2013-02-27)
The hydroid Ectopleura larynx is one of the main fouling organisms on salmon aquaculture cages in Norway; this study investigated novel surface materials and microtopographies to deter its settlement. The settlement preferences of hydroid larvae for 12 materials with wettabilities
Ryan M Baxter et al.
Journal of biomedical materials research. Part B, Applied biomaterials, 101(3), 467-475 (2013-02-26)
Despite the widespread implementation of highly cross-linked polyethylene (HXLPE) liners to reduce the clinical incidence of osteolysis, it is not known if the improved wear resistance will outweigh the inflammatory potential of HXLPE wear debris generated in vivo. Thus, we
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