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Boric Acid BP USP NF IP ACS Manufacturers, H3BO3

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

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 Beasley & Midland, Texas, USA
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

Mubychem Ltd. Manufacturers Suppliers USA

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 26 June, 2015. Copyright and Usual Disclaimer is Applicable.

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