Package: 25KG/bag, or according to customer's requirement

Uses : Mainly used in special optical glass materials. Additive for phosphate and fluorophosphate glass glass, improve the anti permeability and absorption loss. Packaging：according to customer's requirement

Molecular Structure:

Product description:

　　Product name: Barium metaphosphate

　　Cas No: 13762-83-9

　　Molecular formula: Ba(PO3)2

　　Molecular weight: 295.28

　　Optical specific grade

　　PH：2.4

　　Melting point：1560°C

　　Refractive index：1.589 - 1.782

　　Storage：Sealed dry preservation

　　Appearance：Glass state powder, insoluble in water.

　　Purity：99%-99.9%

　　P2O5(wt%)：48%±1%

　　BaO(Wt%)：52%±1%

　　Free phosphoric acid(wt%)：＜0.02%

　　Loss on ignition(wt%)：0.02-0.035%

　　Fe＜2PPM

　　Cu＜0.1PPM

　　Ni、Co、Mn、Cr altogether＜1PPM

　　Appearance：Glass state powder, insoluble in water.

　　Application: Mainly used in special optical glass materials. Additive for phosphate and fluorophosphate glass glass, improve the anti permeability and absorption loss.

　　Packaging：25KG/bag, or according to customer's requirement