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Mubychem Group, established in 1976, is the pioneer manufacturer of Zinc Chloride, Ammonium Chloride, Calcium Chloride, Potassium Chloride, Sodium Acetate, Sodium Thiosulphate, Boric Acid, Pharmaceutical, Fragrance & Flavor chemicals in India. Mubychem Group has several manufacturing facilities spread across Western India. |
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Boric Acid Manufacturers Boric Acid BP Boric Acid USP NF
CAS No.: 10043-35-3; Molecular Weight: 61.8; Chemical Formula: H3BO3
For MSDS Sheet Click Boric Acid MSDS
Boric Acid
Technical & Pure Crystals
Also IP BP Ph. Eur. USP ACS AR LR
Boric Acid
BP
H3BO3 61.8
10043-35-3Boric Acid BP
DEFINITION
Boric acid contains not less than 99.0 per cent and not more than the
equivalent of 100.5 percent of H3BO3.
CHARACTERS
A white, crystalline powder, colourless, shiny plates greasy to the
touch, or white crystals, soluble in water and in alcohol, freely soluble
in boiling water and in glycerol (85 per cent).
A. Dissolve 0.1 g by gently heating in 5 ml of methanol, add 0.1 ml of sulphuric acid and ignite the solution. The flame has a green border.
B. Solution S (see Tests) is acid.
TESTS
Solution S
Dissolve 3.3 g in 80 ml of boiling distilled water, cool and
dilute to 100 ml with carbon dioxide-free water prepared from
distilled water.
Appearance of solution
Solution S is clear and colourless.
pH
The pH of solution S is 3.8 to 4.8.
Solubility in alcohol
Dissolve 1.0 g in 10 ml of boiling alcohol. The solution is not
more opalescent than reference suspension and is colourless.
Organic matter
It does not darken on progressive heating to dull redness.
Sulphates
10 ml of solution S diluted to 15 ml with distilled water complies with the limit test for sulphates (450 ppm).
Heavy metals
12 ml of solution S complies with limit test A for heavy metals (15 ppm).
Boric Acid USP-NF
H3BO3 61.83Boric acid USP-NF (H3BO3) [10043-35-3].
Boric Acid contains not less than 99.5 percent and not more than 100.5 percent of H3BO3, calculated on the dried basis.
Solubility in alcohol— One g dissolves completely in 10 mL of boiling alcohol.Completeness of solution— One g dissolves in 25 mL of water, producing a clear solution.
Identification— It responds to the tests for Borate.
Loss on drying— Dry it over silica gel for 5 hours: it loses not more than 0.5% of its weight.
Heavy metals— Dissolve 1 g in 23 mL of water, and add 2 mL of 1 N acetic acid: the limit is 0.002%.
ACS Specifications
American Chemical Society
Boric Acid ACS
H3BO3Formula Wt 61.83
CAS Number 10043-35-3
REQUIREMENTS
Assay 99.5% H3BO3
MAXIMUM ALLOWABLE
Insoluble in methanol .......... 0.005%
Nonvolatile with methanol ... 0.05%
Chloride (Cl) ...................... 0.001%
Phosphate (PO4) ................ 0.001%
Sulfate (SO4) ..................... 0.01%
Calcium (Ca) ..................... 0.005%
Heavy metals (as Pb) ......... 0.001%
Iron (Fe) ........................... 0.001%
Boric Acid BP
Boric Acid USP NF
Boric Acid
Manufacturers:
S-8, SARIFA MANSION, 2ND FLANK ROAD, CHINCHBUNDER, MUMBAI 400009, INDIA
TEL: (OFFICE) 91-22-23770100, 23726950, 23774610, 23723564. FAX:
91-22-23728264
e-mail:
info@mubychem.com
Cell Call
to Anmol: +91-9821870100
USA & Canadian Customers may Call
773-829-5811
Copyright and Usual Disclaimer is
Applicable.
Last updated
07 December, 2011
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