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Products > Optimize Reagents > Optimize – Polymers > Polyethylene glycol 300
Polyethylene glycol 300
Applications
- Crystallization grade Polyethylene glycol 300 for formulating screens or for optimization
Description
Polyethylene glycol 300
Synonyms: PEG 300
H(OCH2CH2)nOH
Mr 285-315
CAS Number [25322-68-3]
EC Number 500-038-2
Merck 14,7568
RTECS TQ3500000
MDL Number MFCD00081839
PubChem Substance ID 24889419
Density 1.125 g/mL at 20°C
Measured Conductivity Range: 3.0 – 9.0 µS/cm at 25°C
Measured Refractive Index Range: 1.46450 – 1.46549 at 20°C
Peroxides (H2O2) ≤0.001%
Al ≤0.0005%
As ≤0.00001%
Ba ≤0.0005%
Bi ≤0.0005%
Ca ≤0.001%
Cd ≤0.0005%
Cl ≤0.005%
Co ≤0.0005%
Cr ≤0.0005%
Cu ≤0.0005%
Fe ≤0.0005%
K ≤0.02%
Li ≤0.0005%
Mg ≤0.0005%
Mn ≤0.0005%
Mo ≤0.0005%
Na ≤0.02%
Ni ≤0.0005%
Pb ≤0.0005%
SO4 ≤0.005%
Sr ≤0.0005%
Zn ≤0.0005%
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CAT NO
HR2-517
NAME
DESCRIPTION
200 mL
PRICE
$62.00
cart quote
Support Material(s)
HR2-517 Polyethylene glycol 300 SDS Certificate Of Analysis
Related Item(S)
- PEGRx 1 • PEGRx 2 • PEGRx HT
References
1. Crystallization and preliminary X-ray crystallographic studies of human 2′,3′-cyclic nucleotide 3′-phosphodiesterase. Y. Sakamoto, N. Tanaka, T. Ichimiya, T. Kurihara and K. T. Nakamura. Acta Cryst. (2004). D60, 2095-2097.
2. Crystallization and preliminary X-ray crystallographic analysis of the Escherichia coli outer membrane cobalamin transporter BtuB in complex with the carboxy-terminal domain of TonB. David D. Shultis, Michael D. Purdy, Christian N. Banchs, and Michael C. Wiener. Acta Crystallogr Sect F Struct Biol Cryst Commun. 2006 July 1; 62(Pt 7): 638–641.
3. Low molecular weight poly(ethylene glycol) as an environmentally benign solvent for pharmaceutical crystallization and precipitation. Xing Wang, Ponder Celia Steward, Kirwan Donald J. Crystal Growth & Design, 2005, vol. 5, no1, pp. 85-92.
Hampton Research, first in crystallization since 1991, developing and delivering crystallization and optimization screens, reagents, plates, and other tools for the crystallization of biological macromolecules, including proteins (antibody), peptides (insulin), and nucleic acids (DNA).
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