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Specification of Boric Acid |
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Product |
Boric Acid |
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CAS NO. |
10043-35-3 |
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Molecular Formula |
H3BO3 or B2O3·3H2O |
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MOL WT |
61.83 |
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Synonyms |
Boracic Acid,
Hydrogen Borate, Orthoboric Acid; Boracic acid; Hydrogen
orthoborate; Trihydroxyborane; Borsäure (German); ácido bórico
(Spanish); Acide borique (French); |
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PHYSICAL AND CHEMICAL PROPERTIES |
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White cystals |
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Melting Point |
170° C |
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Boiling Point |
300° C |
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Specific Gravity |
1.43 - 1.44 |
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Solubility in Water |
4 - 5 g/100
ml at 20 C |
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pH |
5.2 (1% sol.)
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|
|
99.0% min |
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Phospahtes |
0.001% max |
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Sulfates |
0.005% max |
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Insolubles |
0.005% (in
methanol) |
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Ca |
50ppm max |
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Cl |
10ppm max |
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As |
1ppm max |
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Heavy Metals (as Pb) |
10ppm max |
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Application |
Fibre glass
and glass, ceramics, agriculture and fertilizer, flame retardant,
corrosion inhibitor, wood preservatives and pesticides, metallurgy,
pharmaceuticals and cosmetics, nuclear applications |
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Packing |
25 Kgs Bags |