Boric acid, sodium salt, pentahydrate

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1.boric Acid(99.9%) 2.factory sell boric acid 3.CAS NO.10043-35-3 4.reasonable price and top quality 5.in stock 1. Specification Boric acid, MF-H3BO3,CAS-10043-35-3/11113-50-1Boric acid, also called boracic acid or orthoboric acid or acidum boricum, is a weak acid often used as an antiseptic, insecticide, flame retardant and a precursor of other chemical compounds. White powder of scaled crystal, feeling greasy, odorless and tasteless, soluble in water, alcohol, glycerol ether and volatile oil, the water solution indicating weak acidity. when heating to 70-100ºC, hydro-extracting gently to change into meta-boric acid; 150-160ºC, as pyro-boric acid300ºC, as boric anhydride(B2O3).   Use   Glass and glass fiber,Enamel and ceramic,Nuclear industry,Pesticides, fertilizers, electroplating, paint, leather, medicine ect.   2. Specifications  (H3BO3)≥98%99.5%99.9%ColorWhiteWhiteWhiteWhiteWhiteAppearanceGranularPowderGranularPowderPowderSize2-4 mm60-80 mesh2-4 mm60-80 mesh60-80 meshB (%) ≥17±0.117±0.117.5±0.117.5±0.117.6±0.1B2O3 (%) ≥55.2±0.155.2±0.156.1±0.156.1±0.156.3±0.1SO42- (%)≤0.0350.00050.0002Cl- (%)≤0.00180.00010.0001Fe (%) ≤0.00060.00020.0001Heavy metals (Pb) % ≤0.00080.00020.0001Water insoluble (%) ≤0.010.0050.001Packing25kg, 50kg,1000kg plastic-lined plastic woven bags (please further notice if need pallet or other packing)UseGlass ceramic industry, pharmaceutical industry, metallurgy industry,leatherPreservatives, pesticides, fertilizer ect.