Pharmalyte, narrow range pH 4.5–5.4 Complete Packsize: 25 ml Order Information: Store at 2°C to 8°C. Application: Are intervals for special dedicated applications in polyacrylamide gels Solubility: Soluble in cold water and hot water Physical State: Liquid Color: Colorless to light yellow Storage Conditions: 2 - 8°C Estimated Shelf Life from Manufacture Date: 5 years Wetted Part: No Guidance: Carrier for high resolution isoelectric focusing (IEF)