Specification :

CAS: 1303-96-4
Appearance: Colorless transparent block crystal
Properties:
Borax is also called coarse borax in chemical composition, it is containing 10 water molecule four boric acid sodium. Its crystal to the plate or columnar crystal together form the brilliant clumps, granular, porous soil block etc, color is white with ash or with light color attune of yellow, blue, green, etc, with vitreous burnish.
Use:
Borax has many USES our familiar as disinfectant, fresh preservative, soft agent, washing eyes water and soap additives, ceramic glaze materials and glass raw materials, etc., in industrial production, borax also plays an important role.
We supply reagent grade industrial grade. If you are interested in our products please contact us.
Test item Specification
Reagent grade Pharmaceutical grade
Appearance Conform Conform
Assay e 99.5 e 99.0
Appearance of solution Conform Conform
Hydrochloric acid insoluble/ % d 0.005 d 0.02
chloride( Cl) / % d 0.002 d 0.005
sulfate ( SO4) / % d 0.01 d 0.015
phosphate( PO4) / % d 0.002 d 0.005
Copper( Cu) / % d 0.001 d 0.002
Magnesium and calcium( Ca) / % d 0.005 d 0.02
iron( Fe) / % d 0.0003 d 0.0005
lead( Pb) / % d 0.001 d 0.002