Products > Optimize Reagents > Optimize - Polymers > Polyethylene glycol 6,000
Polyethylene glycol 6,000
Applications
- Crystallization grade Polyethylene glycol 6,000 for formulating screens or for optimization
Features
- Sterile filtered solution
- Formulated in Type 1+ ultrapure water: 18.2 megaohm-cm resistivity at 25°C, < 5 ppb Total Organic Carbon, bacteria free (<1 Bacteria (CFU/ml)), pyrogen free (<0.03 Endotoxin (EU/ml)), RNase-free (< 0.01 ng/mL) and DNase-free (< 4 pg/µL)
Description
Polyethylene glycol 6,000
Synonym: PEG 6,000
H(OCH2CH2)nOH
Mr 5,000 – 7,000
CAS Number [25322-68-3]
EC Number 500-038-2
Merck 14,7568
RTECS TQ4105000
MDL Number MFCD00081839
HR2-533 Measured Conductivity range: 28.6 - 53.8 µS/cm at 25°C
HR2-533 Measured Refractive Index range: 1.40171 - 1.40251 at 20°C
DNases: none detected
RNases: none detected
Proteases: none detected
Phosphatases: none detected
Peroxides (as 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%
Support Material(s)
HR2-513 Polyethylene glycol 6,000 (Flake) SDSCertificate Of Analysis
References
1. McPherson, A. 1976, Crystallization of proteins from polyethylene glcyol. J. Biol. Chem. 251: 6300.
2. E144S active-site mutant of the bacillus cereus thermolysin-like neutral protease at 2.8 A resolution. Litster, SA; Wetmore, DR; Roche, RS; Codding, PW. Acta Crystallogr D 52, 543- 550, 1996.
3. Luft J.R. and DeTitta G.T. Chaperone salts, polyethylene glcyol and rates of equilibration in vapor-diffusion crystallization. Acta Crystallographica Section D 51: 780.
4. Gilliland, G.L. 1988. A biological macromolecule crystallization database: A basis for a crystallography strategy. J. Cryst. Growth. 90:51.