Polyethylene glycol 400

Synonyms: PEG 400
H(OCH₂CH₂)_nOH
M_r 380-420
CAS Number [25322-68-3]
EC Number 500-038-2
Merck 14,7568
RTECS TQ3675000
MDL Number MFCD00081839
Viscosity (Rotation) 105 - 152 mPas
Density 1.126 g/mL at 20°C

Measured Conductivity Range: 2.3 - 3.4 µS/cm at 25°C
Measured Refractive Index Range: 1.46629 - 1.46762 at 20°C

Aldehydes None detected
Peroxides (as H₂O₂) ≤0.02%
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 ≤0.3%
Ni  ≤0.0005%
Pb ≤0.0005%
SO₄ ≤0.005%
Sr ≤0.0005%
Zn ≤0.0005%