Boric Acid BP USP NF IP ACS Manufacturers, H3BO3 |
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MSDS of Boric Acid BP IP USP NF ACS FCC Manufacturers
Boric Acid
Technical & Pure Crystals
Also IP BP Ph. Eur. USP ACS AR LR
Boric Acid BP
H3BO3 -- 61.8 -- 10043-35-3
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).
IDENTIFICATION
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 -- 61.83
[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
H3BO3
Formula 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 IP BP USP NF ACS Manufacturers:
Muby Chem Ltd.
Toll manufacturing & Warehouse at Houston & Midland, Texas, USA and India
USA, Canada, Mexico Customers may e-mail: usa@mubygroup.com
Call 1-844-682-9243
Europe Africa Asia India Mumbai e-mail: info@mubygroup.com
Call +91-22-23774610
Suppliers Manufacturers Exporters Importers between USA Canada UAE Europe South Africa Tanzania Kenya
Uganda Egypt Nigeria Turkey Mexico Brazil Argentina Chile Dubai China India etc.
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