Synonym: 2,2′-Oxydiethanol, 2-Hydroxyethyl ether, Bis(2-hydroxyethyl) ether, Diglycol
CAS Number: 111-46-6
Linear Formula: (HOCH2CH2)2O
Molecular Weight: 106.12
Beilstein Registry Number: 969209
EC Number: 203-872-2
MDL Number: MFCD00002882
PubChem Substance ID: 24889810
Application
Diethylene glycol (diglycol) is used in biomaterials engineering to functionalize peptide nanofibers to improve their aggregation and proteolytic degradation properties. Diethylene glycol may be used as a solvent, reducing agent and derivatizing agent in the preparation of various types of nanoparticles.
Vapor Density: 2.14 (vs air)
Vapor Pressure: 0.01 mmHg (20°C)
Description: non-ionic
Product Line: BioUltra
Assay: ≥99.0% (GC)
Autoignition Temp.: 442°F
Expl. Lim.: 2-12.3 %
Impurities: insoluble matter, passes filter test; ≤0.001% peroxides (as H2O2)
Refractive Index: n20/D 1.447(lit.); n20/D 1.447
pH: 5.5-7.0 (25 °C, 50 mg/mL in H2O)
BP: 245°C(lit.)
MP: −10 °C(lit.)
Solubility: H2O: soluble50 mg/mL at 20 °C, clear, colorless
Density: 1.118 g/mL at 25°C(lit.)
Anion Traces: chloride (Cl-): ≤50 mg/kg; sulfate (SO42-): ≤50 mg/kg
Cation Traces: Al: ≤5 mg/kg; As: ≤0.1 mg/kg; Ba: ≤5 mg/kg; Bi: ≤5 mg/kg; Ca: ≤10 mg/kg; Cd: ≤5 mg/kg; Co: ≤5 mg/kg; Cr: ≤5 mg/kg; Cu: ≤5 mg/kg; Fe: ≤5 mg/kg; K: ≤200 mg/kg; Li: ≤5 mg/kg; Mg: ≤5 mg/kg; Mn: ≤5 mg/kg; Mo: ≤5 mg/kg; Na: ≤200 mg/kg; Ni: ≤5 mg/kg; Pb: ≤5 mg/kg; Sr: ≤5 mg/kg; Zn: ≤5 mg/kg
λ: 50 mg/mL in H2O
UV absorption : λ: 260 nm Amax: ≤0.02; λ: 280 nm Amax: ≤0.01