Product Datasheet and Specification
00452
Boric Acid (Powder) 99.5% Extrapure
Orthoboric Acid
CAS : 10043-35-3
HS Code : 2810.00200
Molecular Formula : H3BO3
Molecular Weight : 61.83
Shelf Life : 60 Months
Specifications
Appearance
White powder |
Assay (alkalimetric; on dried basis)
99.5-100.5% |
Identification
To comply IP, BP, USP tests |
Solubility
Soluble in water and in ethanol (96 per cent), freely soluble in boiling water and in glycerol (85 per cent) |
Appearance of solution
To comply IP, BP, USP |
Substance insoluble in alcohol
To comply IP, BP, USP test |
pH (3.3% solution in water)
3.8-4.8 |
Sulphate (SO4)
Max 0.045% |
Heavy metal (as Pb)
max 0.0015% |
Arsenic (As)
max 0.001% |
Organic impurities
To comply BP test |
Loss on drying (5hrs; over silica gel)
Max 0.5% |