CAS 25322-69-4 appears in our catalog under these names: Polypropylene glycol 400 , Polypropylene glycol 1,000 , Polypropylene glycol 3,000 , Polypropylene glycol 4,000 , Polypropylene glycol 1,200 . Offered by: Thermo Scientific (Alfa Aesar). Available pack sizes: 50g, 250g, 100ml, 500ml.