... : Boric acid2.Specifications:Boric acid 99.6%Boric acid 99.5%3.Chemical formula: B(OH)34.Molecular weight: 61.845 ... .CAS No.: 1692-25-7 EINECS No.: 233-139-26.HS Code.: 2810002007.Property of ... (H3BO3),%99.6 minInsoluble matter in water,%0.06 maxSulfate (SO4),%0.30 maxChloride(Cl),%0.15 maxIron(Fe),%0.0030 maxNitrogen content,%0.7 max