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4-(2-hydroxyerhyl)piperazine-1-erhanesulfonic acid HEPES CAS 7365-45-9 is free flowing white powder.
Specification
Appearance Free flowing white powder
Assay ≥99.5% (potertiometric cal on dry substance)
Solubility ( 1mol/L,water) Clear
PKa at 20℃ 7.35-7.69
Residue on ignition ≤0.1%
Loss on drying ≤1% (105 ℃,3 hours)
UV Absorbance, ≤0.5 /260nm(1mol/L,1cm)
UV Absorbance, ≤0.5 /280nm(1mol/L,1cm)
Heavy metals (Pb) ≤0.001%
Fe ≤0.0005%
Sulfate ≤0.05%
Applications
1. Used for Biological buffer; the reaction buffer, pre-hybridization buffer, hybridization buffer of the separation and analysis of RNA core components; for RNA and T4RNA
2. Used as biochemical reagents.Packing
25kg per fibre drum
Storage
Store in a cool, dry, well-ventilated warehouse. Away from fire, heat. Relative humidity in the warehouse.
Please refer to the Materials Safety Data Sheet (MSDS) for the handling methods.
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