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427772

Sigma-Aldrich

Polyethylene

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

Sinónimos:

PE

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250 G
62,80 €
1 KG
215,00 €

62,80 €

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250 G
62,80 €
1 KG
215,00 €

About This Item

Fórmula lineal:
H(CH2CH2)nH
Número de CAS:
9002-88-4
Número MDL:
MFCD00084423
Código UNSPSC:
12162002
ID de la sustancia en PubChem:
24866779
NACRES:
NA.23

62,80 €

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Formulario

powder

Nivel de calidad

100

mol peso

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

viscosidad

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

mp

92 °C

número de ácido

<0.05 mg KOH/g

temperatura de transición

softening point 106 °C (ring and ball)

densidad

0.92 g/mL at 25 °C

cadena SMILES

C=C

InChI

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

Clave InChI

VGGSQFUCUMXWEO-UHFFFAOYSA-N

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Aplicación

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.[1]Influence of PEG of various molecular weights on mammalian cell hybridization.[2]

Características y beneficios

Low molecular weight and viscosity for easy processing.

Código de clase de almacenamiento

11 - Combustible Solids

Clase de riesgo para el agua (WGK)

WGK 3

Punto de inflamabilidad (°F)

Not applicable

Punto de inflamabilidad (°C)

Not applicable

Equipo de protección personal

Eyeshields, Gloves, type N95 (US)

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Certificados de análisis (COA)

Lot/Batch Number
MKCW2074
MKCT6767
MKCT5408
MKCP9612
MKCQ9709

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High Density Polyethylene United States Pharmacopeia (USP) Reference Standard

USP

1546707

High Density Polyethylene

OCTACHLORO-1,3-PENTADIENE AldrichCPR

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)
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
Thibault Honegger et al.
Lab on a chip, 13(8), 1538-1545 (2013-02-23)
In this paper, we introduce a dielectrophoresis (DEP)-based handling method that allows fine 3D manipulation of beads in suspension using a lab on a chip device. The device consists of two layers of linear electrodes on the top and bottom
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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Preguntas

1–3 de 3 Preguntas  

  1. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 respuesta

    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

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  2. How can I determine the shelf life / expiration / retest date of this product?

    1 respuesta

    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf

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  3. May I know the average particle size of this product?

    1 respuesta

    1. The exact particle size has not been determined. However, 99.5% to 100% of the powder passes through an 18 mesh screen (18 mesh = 1.0 mm).

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