Poloxamer USP/NF, EP, JPE
Kolliphor P 188 Bio & Kolliphor P 188 Cell Culture is a block copolymer that is a synthetic copolymer of ethylene oxide and propylene oxide. The average molecular weights for both grades are targeted for different ranges within the current monograph specification. Kolliphor P188 Cell Culture has a lower molecular weight target whereas Kolliphor P 188 Bio is positioned higher.