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Merck

89510

Sigma-Aldrich

Poli(etilenglicol)

BioUltra, 8,000

Sinónimos:

PEG

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About This Item

Fórmula lineal:
H(OCH2CH2)nOH
Número de CAS:
MDL number:
UNSPSC Code:
12352104
PubChem Substance ID:
NACRES:
NA.26
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Quality Level

product line

BioUltra

form

solid

mol wt

Mr 7000-9000

impurities

insoluble matter:, passes filter test
≤0.001% peroxides (as H2O2):

pH

5.5-7.0 (25 °C, 50 mg/mL in H2O)

mp

61-64 °C

solubility

H2O: 50 mg/mL at 25 °C, clear, colorless

anion traces

chloride (Cl-): ≤50 mg/kg
sulfate (SO42-): ≤50 mg/kg

cation traces

Al: ≤5 mg/kg
As: ≤0.1 mg/kg
Ba: ≤5 mg/kg
Bi: ≤5 mg/kg
Ca: ≤10 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cr: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤5 mg/kg
K: ≤200 mg/kg
Li: ≤5 mg/kg
Mg: ≤5 mg/kg
Mn: ≤5 mg/kg
Mo: ≤5 mg/kg
Na: ≤200 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Sr: ≤5 mg/kg
Zn: ≤5 mg/kg

λ

50 mg/mL in H2O

UV absorption

λ: 260 nm Amax: 0.09
λ: 280 nm Amax: 0.03

SMILES string

C(CO)O

InChI

1S/C2H6O2/c3-1-2-4/h3-4H,1-2H2

InChI key

LYCAIKOWRPUZTN-UHFFFAOYSA-N

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General description

Poly(ethylene glycol) (PEG) is a polymer of ethylene glycol units and is hydrophilic in nature. PEG has high hydration capacity and is structurally flexible. PEG has advantage as a drug conjugate due to biocompatibility and nonexistence of steric hindrances in its structure.[1]

Application

Poly(ethylene glycol) has been used:
  • in the transformation buffer in yeast[2]
  • as a constituent of dengue virus isolation buffer[3]
  • for concentration of lentivirus particles[4]
  • in the crystallization of herpesvirus nuclear egress complex (NEC)[5]

Biochem/physiol Actions

The Food and Drug Administration (FDA) approved PEG as drug conjugates, is nonimmunogenic and safe.[6] PEG is widely used as a reagent in biochemistry and molecular biology experiments.[7] PEG conjugation improves solubility and dissolution of diabetes drug, Gliclazide.[8] It is used in carbon nanotube functionalization.[9] The presence of PEG 8000 in the tannin tree foliage improves metabolisable energy (ME) content and gas production.[10]

Storage Class

11 - Combustible Solids

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)


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Los clientes también vieron

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1 of 1

Immunogenicity of polyethylene glycol (PEG)
The open conference proceedings journal, 2(1) (2011)
Rapid generation of long tandem DNA repeat arrays by homologous recombination in yeast to study their function in mammalian genomes
Noskov VN, et al.
Biological Procedures Online, 13(1), 8-8 (2011)
Expression, purification and crystallization of the herpesvirus nuclear egress complex (NEC)
Bigalke JM and Heldwein EE
Bio-protocol, 6(14), 44708-44708 (2016)
Ananthakrishnan Soundaram Jeevarathinam et al.
Biosensors & bioelectronics, 126, 831-837 (2019-01-04)
Heparin is an indispensable drug in anticoagulation therapy but with a narrow therapeutic window, which dictates regular testing and dose adjustment. However, current monitoring tools have a long turnaround time or are operator intensive. In this work, we describe a
Characterisation of gliclazide-PEG 8000 solid dispersions
Biswal S, et al.
Tropical Journal of Pharmaceutical Research, 8(5) (2009)

Contenido relacionado

Polyethylene glycol (PEG), also sometimes referred to as polyethylene oxide (PEO), is a condensation polymer of ethylene oxide and water that has several chemical properties that make it useful for biological, chemical and pharmaceutical applications.

Polyethylene glycol (PEG), also sometimes referred to as polyethylene oxide (PEO), is a condensation polymer of ethylene oxide and water that has several chemical properties that make it useful for biological, chemical and pharmaceutical applications.

Polyethylene glycol (PEG), also sometimes referred to as polyethylene oxide (PEO), is a condensation polymer of ethylene oxide and water that has several chemical properties that make it useful for biological, chemical and pharmaceutical applications.

Polyethylene glycol (PEG), also sometimes referred to as polyethylene oxide (PEO), is a condensation polymer of ethylene oxide and water that has several chemical properties that make it useful for biological, chemical and pharmaceutical applications.

Questions

1–2 of 2 Questions  
  1. How can I determine the shelf life / expiration / retest date of this product?

    1 answer
    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

      Helpful?

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

    1 answer
    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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