Boric Acid Powder AR/ACS 500 Gram

PRODUCT CODE 466080
SYNONYMS (Orthoboric acid)
C.I. NO. --
CASR NO. (10043-35-3)
ATOMIC OR MOLECULAR FORMULA H3BO3
ATOMIC OR MOLECULAR WEIGHT 61.83
PROPERTIES Soluble in boiling water, alcohol and glycerol.
Noncombustible

PARAMETER LIMIT
Description White fine powder, free from crystals and granules.
Solubility 10% solution in hot water is clear and colourless.
Minimum assay (Acidimetric) 99.5%
pH of (4 % solution in water ) 3.8 to 4.8

MAXIMUM LIMIT OF IMPURITIES
Insoluble matter 0.05%
Chloride ( Cl ) 0.0002%
Phosphate(PO4
) 0.001%
Sulphate ( SO4
) 0.001%
Calcium (Ca) 0.002%
Copper (Cu) 0.0002%
Iron ( Fe ) 0.0002%
Heavy Metals (as Pb) 0.0005%
Substances non volatile with methanol 0.05%
Potassium (K) 0.001%
Sodium (Na) 0.002%