A water-soluble white or colorless crystalline compound, used as an antiseptic and preservative and in fireproofing compounds, cosmetics, cements, and enamels.
BORIC ACID (Orthoboric Acid) H3BO3pharmaceutical grade boric acid Available as granular or powder
COMPOSITION
Theoretical
Typical
Boric oxide (B2O3)
56.30%
56.24%
Water (H2O)
43.70
43.66
Boric Acid (H3BO3)
100.00
99.9
IMPURITIES
Chloride (Cl)
0.001%
Sulphate (SO4
0.066
Iron (Fe)
0.0003
PHYSICAL AND CHEMICAL PROPERTIES
Molecular Weight
61.84
Specific gravity @ 14ºC (57ºF)
1.51
Heat of solution @ 18ºC (64ºF) cal/gm
-87.2
Melting point (heated in closed space)
17.09ºC ± 0.2ºC (340ºF
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