Synonym: (Octylphenoxy)polyethoxyethanol, Nonidet™ P 40, Nonylphenyl-polyethylenglycol, Octylphenyl-polyethylene glycol
CAS Number: 9036-19-5
Linear Formula: (C2H4O)nC14H22O
Caution
May become turbid on storage; a clear product can be obtained on heating to 40°C.
May develop turbidity or sediment during storage. A clear liquid can be obtained on heating to 40°C.
Other Notes
Nonionic, non-denaturing detergent
Quality
Chemically indistinguishable from Nonidet P-40, which is no longer commercially available.
Legal Information
IGEPAL is a registered trademark of Rhodia Operations; Nonidet is a trademark of Shell Chemical Co.
Description: non-ionic
Refractive Index: n20/D 1.492
CMC: 0.08 mM(20-25°C)
Density: 1.06 g/mL at 20 °C
Anion Traces: chloride (Cl-): ≤50 mg/kg; sulfate (SO42-): ≤100 mg/kg
Cation Traces: 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: ≤1000 mg/kg; Mg: ≤5 mg/kg; Mn: ≤5 mg/kg; Na: ≤1000 mg/kg; Ni: ≤5 mg/kg; Pb: ≤5 mg/kg; Zn: ≤5 mg/kg
HLB: 13