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89510

Sigma-Aldrich

Poly(ethylene glycol)

BioUltra, 8,000

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Synonym(s):
PEG
Linear Formula:
H(OCH2CH2)nOH
CAS Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.26

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.

Application

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

Biochem/physiol Actions

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

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Characterisation of gliclazide-PEG 8000 solid dispersions
Biswal S, et al.
Tropical Journal of Pharmaceutical Research, 8(5) (2009)
Transcription factor NF-kappa B represses ANT1 transcription and leads to mitochondrial dysfunctions
Zhang C, et al.
Scientific Reports, 7(1), 44708-44708 (2017)
The effect of polyethylene glycol (PEG 8000) supplementation on in vitro gas production kinetics of leaves from tannin containing trees
Kamalak A, et al.
South African Journal of Animal Science, 35(4), 229-237 (2005)
A simple, inexpensive, robust and sensitive dot-blot assay for equal detection of the nonstructural-1 glycoprotein of all dengue virus serotypes
Falconar AK and Romero-Vivas CM
Virology Journal, 10(1), 126-126 (2013)
Immunogenicity of polyethylene glycol (PEG)
The open conference proceedings journal, 2(1) (2011)

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