NH2-PEG2-NH2,Amine-PEG2-Amine Product Specifications: l  Catalog Numbers:PS2-N-2. l  Appearance:Colorless Liquid. l  Stability:-18℃ for long term storage,avoid light. l  Molecular Weight:148.20. l  CAS No.:-. l  Molecular formula:C6H16N2O2. l  Purity:>97%.   This product is for research use only and is not intended for use in humans or for diagnostic use.