Description Catalog number:EC-609Size: 500 gBoric acid is a primary component of TBE buffer, the most commonly used electrophoresis buffer in PAGE of DNA and RNA. Certified DNase and RNase free.Molecular WeightpH (1% solution)Color61.835.1 ± 0.5≤ 10 APHAClSO4Fe< 0.4 ppm< 4 ppm< 2 ppm