Products > Optimize Reagents > Optimize - Polymers > Polyethylene glycol 400

Polyethylene glycol 400

Applications

  • Crystallization grade Polyethylene glycol 400 for formulating screens or for optimization

Description

Polyethylene glycol 400

Synonyms: 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 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

HR2-603

NAME

100% Polyethylene glycol 400

DESCRIPTION

200 mL

PRICE

$65.50

Support Material(s)

Certificate Of Analysis

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.