United States Pharmacopeia (USP)/National Formulary (NF), Pharmacopoea Europaea (Ph. Eur.), and Food Chemicals Codex (FCC) grade PEG 3350. For research use only. Not for diagnostic use.
Polyethylene glycol 3,350
Synonyms: PEG 3,350
Average Mr 3015-3685
CAS Number [25322-68-3]
EC Number 500-038-2
MDL Number MFCD00081839
PubChem Substance ID 24898432
Polydispersity Index 1.05-1.10 (Polydispersity is a measure of the molecular weight distribution of a polymer. It is equal to Mw/Mn. That is to say, "weight-average molecular weight" divided by "number average molecular weight".)
Aldehyde: None detected
Peroxide: None detected
HR2-527 Measured Conductivity Range: 44.0 - 55.1 µS/cm at 25°C
HR2-527 Measured Refractive Index Range: 1.40137 - 1.40213 at 20°C
1. Crystal structure of a Soluble form of the human T Cell coreceptor CD8 at 2.6 A resolution. Leahy, DJ; Axel, R; Hendrickson, WA. Cell 68, 1145- 1162, 1992.
2. McPherson, A. 1976, Crystallization of proteins from polyethylene glcyol. J. Biol. Chem. 251: 6300.