Pluronic P105 is a difunctional block copolymer surfactant terminating in primary hydroxyl groups. A nonionic surfactant that is 100% active and relatively nontoxic.||Synonyms:|P105, Polyoxypropylene-polyoxyethylene Block Copolymer, Methyl-oxirane polymer with oxirane||CAS No:|9003-11-6||Molecular Weight:|6500 average||Appearance:|Paste||Cloud Point (1% in 5% BDG solution): |87-91°C||Color, APHA:|<100 ||Water (weight %):|≤0.4%||pH (2.5% aqueous):|6.0-7.4||Specific Gravity (25°):|1.05||Viscosity (25°C):|750cps||Pour Point:|35°C||Solubility (water, 25°C):|≥10%||Storage and Stability:|Store at RT. Stable for 12 months after receipt.