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Polyethylene glycol 400
Applications
Crystallization grade Polyethylene glycol 400 for formulating screens or for optimization
Description
Polyethylene glycol 400
Synonym: PEG 400
H(OCH2CH2)nOH
Mr 380-420
CAS Number [25322-68-3]
EC Number 500-038-2
Merck 14,7568
RTECS TQ3675000
MDL Number MFCD00081839
PubChem Substance ID 24897878
Viscosity (Rotation) 105 - 152 mPas
Density 1.126 g/mL at 20°C

Measured pH range: 8.9 - 9.8 at 25°C
Measured Conductivity Range: 2.5 - 3.3 µS/cm at 25°C
Measured Refractive Index Range: 1.46629 - 1.46762 at 20°C




Aldehydes 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 ≤0.2%
Li ≤0.0005%
Mg ≤0.0005%
Mn ≤0.0005%
Mo ≤0.0005%
Na ≤0.2%
Ni ≤0.0005%
Pb ≤0.0005%
SO4 ≤0.005%
Sr ≤0.0005%
Zn ≤0.0005%
CAT NO NAME DESCRIPTION
HR2-603 Polyethylene glycol 400 100% solution - 200 ml
Price Quantity
$65.50
References
1.Crystallographic study of the large tryptic fragments of elongation factor G from Escherichia coli. Reshetnikova, LS; Garber, MB; Fomenkova, NP; Nikonov, SV; Chirgadze, YN. J Mol Biol 160, 127- 132, 1982.
2.Rapid crystallization of chemically synthesized hammerhead RNAs using a double screening procedure. Scott, WG; Finch, JT; Grenfell, R; Fogg, J; Smith, T; Gait, MJ; Klug, A. J Mol Biol 250, 327- 332, 1995.
SUPPORT MATERIALS
SDS for HR2-603
Certificates of Analysis
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