Boric acid, sodium salt, pentahydrate

Details:

1.Boric acid 99.9% powder and crystal2.CAS NO.10043-35-3/11113-50-13.White powder or crystal4.Free sample 1.Boric acid 99.9% powder and crystal2.CAS NO.10043-35-3/11113-50-13.White powder or crystal4.Free sample 1. Product description Boric 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).2. Specification (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 or as client’s request3. UseGlass and glass fiber,Enamel and ceramic,Nuclear industry,Pesticides, fertilizers, electroplating, paint, leather, medicine ect.4. Packing 25kg, 50kg,1000kg plastic-lined plastic woven bags or as client’s request