MES Monohydrate CAS: 145224-94-8

MES Monohydrate CAS: 145224-94-8 A zwitterionic biological buffer is often used as a buffering agent in biological and biochemical research. CAS NO: 145224-94-8 EINECS NO 224-632-3 Ingredients 2-(N-Morpholino)ethanesulfonic acid, monohydrate Content of active ingredients ≥99.5% Grade AR/ACS equivalent Molecular Formula C6H13NO4S.H2O Molecular Weight : 213.25 Buffering Range 5.5~6.7 Packaging Pkg of 1Kg/10Kg/25Kg Storage Room Temperature  Items Specification  Appearence White Crystalline Powder APHA (Color, 0.5M aqueous solution) ≤20 Solubility (Turbidity,0.5M aqueous solution) Clear Assay (Titration by NaOH) ≥99.5% Infrared Spectrum Complies Conforms to Structure pH 1% H2O 3.5~4.1(25℃) UV Absorbance 260mm 0.1M absorbance≤0.02 UV Absorbance 280mm 0.1M absorbance≤0.02 UV Absorbance 260mm 0.5M absorbance≤0.05 UV Absorbance 290mm 0.5M absorbance≤0.05 Loss on drying(105℃ for 3 Hours) Wt% ≤9.0% Sulfated Ash （650℃ for 3 Hours）Wt% ≤0.1% Water insoluble ≤0.03% Heavy Metals Pb ≤5ppm Iron,Fe  ≤5ppm Calcium,Ca ≤10ppm Application Cell Culture Media