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86101

Sigma-Aldrich

Poly(ethylene glycol)

BioUltra, 1,500

Synonym(s):

Polyethylene glycol, PEG

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About This Item

Linear Formula:
H(OCH2CH2)nOH
CAS Number:
25322-68-3
MDL number:
MFCD00081839
UNSPSC Code:
12352104
PubChem Substance ID:
24888526
NACRES:
NA.26

Quality Level

100

product line

BioUltra

form

solid

mol wt

Mr 1400-1600

impurities

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

pH

5.5-7.0 (25 °C, 50 mg/mL in H2O)

mp

45-50 °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 non-ionic hydrophilic polymer.

Application

Poly(ethylene glycol) has been used in the preparation of cryoprotective solutions.

Biochem/physiol Actions

Poly(ethylene glycol) (PEG) helps in the purification and crystal growth of proteins and nucleic acids. PEG also interacts with cell membrane, thereby allowing cell fusion.

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)

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Poly(Ethylene Glycol) Chemistry: Biotechnical and Biomedical Applications (2013)
Viability of fastidious Phytophthora following different cryopreservation treatments
Houseknecht JL, et al.
Fungal Biology, 116(10), 1081-1089 (2012)
Thomas McNerney et al.
mAbs, 7(2), 413-428 (2015-02-24)
High titer (>10 g/L) monoclonal antibody (mAb) cell culture processes are typically achieved by maintaining high viable cell densities over longer culture durations. A corresponding increase in the solids and sub-micron cellular debris particle levels are also observed. This higher burden
Idalis Villanueva et al.
Acta biomaterialia, 5(8), 2832-2846 (2009-06-11)
The pericellular matrix (PCM) surrounding chondrocytes is thought to play an important role in transmitting biochemical and biomechanical signals to the cells, which regulates many cellular functions including tissue homeostasis. To better understand chondrocytes interactions with their PCM, three-dimensional poly(ethylene
Mark A Rice et al.
Acta biomaterialia, 5(1), 152-161 (2008-09-17)
Ultrasound has potential as a non-destructive analytical technique to provide real-time online assessments of matrix evolution in cell-hydrogel constructs used in tissue engineering. In these studies, chondrocytes were encapsulated in poly(ethylene glycol) hydrogels, and gel degradation was manipulated to provide
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