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Sodium Sulphate BP IP Sodium Sulfate USP ACS Analytical Reagent FCC Food grade Manufacturers
For MSDS Sheet Click MSDS of Sodium Sulphate BP IP Sodium Sulfate USP ACS Analytical Reagent FCC Food Grade Manufacturers
British Pharmacopoeia 2009
Anhydrous Sodium Sulphate BP
( Sodium Sulfate )
Anhydrous Sodium Sulphate BP
Na2SO4
Action and use
Laxative.
DEFINITION
Content
98.5 per cent to 101.0 per
cent (dried substance).
CHARACTERS
Appearance
White or
almost white powder, hygroscopic.
Solubility
Freely
soluble in water.
IDENTIFICATION
A. It gives the reactions of
sulphates.
B. It gives the reactions of
sodium.
C. It complies with the test
for loss on drying (see Tests).
TESTS
Solution S
Dissolve 2.2 g Sodium
Sulfate in carbon
dioxide-free water R prepared from distilled water and dilute to
100 ml with the same solvent.
Appearance of solution
Solution S is clear and
colourless.
Acidity or alkalinity
To 10 ml of solution S add
0.1 ml of bromothymol blue solution
R1 .
Not more than 0.5 ml of 0.01 M hydrochloric acid or 0.01 M sodium
hydroxide is required to change the colour
of the indicator.
Chlorides
Maximum
450 ppm.
Calcium
Maximum 450
ppm, if intended for use in the manufacture of
parenteral dosage forms.
Iron
Maximum 90
ppm, if intended for use in the manufacture of
parenteral dosage forms.
Magnesium
Maximum 200
ppm, if intended for use in the manufacture of
parenteral dosage forms. To 10 ml of solution S
add 1 ml of glycerol (85 per cent), 0.15 ml of titan yellow
solution, 0.25 ml of ammonium oxalate solution and 5 ml of dilute sodium hydroxide solution
and shake. Any pink
colour in the test solution is not more intense
than that in a standard prepared at the same time in the same manner using a
mixture of 5 ml of magnesium standard solution (10 ppm Mg)
and 5 ml of water.
Heavy metals
Maximum
45 ppm.
Loss on drying
Maximum
0.5 per cent, determined on 1.000 g by drying in an oven at 130C.
Sodium Sulfate USP
Sodium Sulfate
Na2SO4·10H2O 322.20
Sulfuric
acid disodium salt, decahydrate.
Disodium sulfate decahydrate [7727-73-3]
Anhydrous 142.04 [7757-82-6]
Sodium Sulfate contains ten molecules of water of hydration, or is anhydrous. It contains not less than 99.0 percent of Na2SO4, calculated on the dried basis.
Identification— A solution (1 in
20) responds to the tests for Sodium 191 and for Sulfate.
Acidity or alkalinity— To 10
mL of a solution, containing the equivalent of
1.0 g of Na2SO4·10H2O in 20 mL of water, add 1
drop of bromothymol blue TS: not more than 0.50
mL of either 0.010 N hydrochloric acid or 0.010
N sodium hydroxide is required to change the color of the solution.
Loss on drying— Dry at 105 for 4 hours: the
decahydrate loses between 51.0% and 57.0% of its weight, and the
anhydrous form loses not more than 0.5% of its weight.
Chloride— A portion equivalent
to 1.0 g of Na2SO4·10H2O ( Sodium Sulfate Decahydrate )shows no more chloride than corresponds to 0.30 mL of 0.020 N hydrochloric acid (0.02%).
Sodium Sulfate FCC
Sodium Sulfate
Na2SO4·10H2O .. 322.20
Sulfuric
acid disodium salt, decahydrate.
Disodium sulfate
decahydrate [7727-73-3].
Anhydrous 142.04 [7757-82-6].
Sodium Sulfate contains ten molecules of water of hydration, or is anhydrous. It contains not less than 99.0 percent of Na2SO4, calculated on the dried basis.
Packaging and storage— Preserve
in tight containers, preferably at a temperature not exceeding
30.
Identification— A solution (1 in
20) responds to the tests for Sodium and for Sulfate.
Acidity or alkalinity— To 10
mL of a solution, containing the equivalent of
1.0 g of Na2SO4·10H2O in 20 mL of water, add 1
drop of bromothymol blue TS: not more than 0.50
mL of either 0.010 N hydrochloric acid or 0.010
N sodium hydroxide is required to change the color of the solution.
Loss on drying— Dry at 105 for 4 hours: the
decahydrate loses between 51.0% and 57.0% of its weight, and the
anhydrous form loses not more than 0.5% of its weight.
Chloride— A portion equivalent
to 1.0 g of Na2SO4·10H2O shows no more chloride than corresponds to 0.30
mL of 0.020 N hydrochloric acid (0.02%).
Heavy metals—:
the limit is 0.001%.
Sodium Sulfate Anhydrous ACS
Reagent Chemicals
ACS Specifications
Sodium Sulfate ACS Anhydrous
Na2SO4
Formula Wt 142.04
CAS
Number 7757-82-6
REQUIREMENTS
Assay: 99.0%
Na2SO4
pH of a 5% solution: 5.2-9.2 at 25C
MAXIMUM ALLOWABLE
Insoluble matter: 0.01%
Loss on ignition: 0.5%
Chloride (Cl): 0.001%
Nitrogen compounds (as N): 5
ppm
Phosphate (PO4): 0.001%
Heavy metals (as
Pb): 5
ppm
Iron (Fe): 0.001%
Calcium (Ca): 0.01%
Magnesium (Mg): 0.005%
Potassium (K): 0.01%
Specific Use
Extraction-concentration suitability: Passes test
Reagent Chemicals
ACS Specifications
Sodium Sulfate, Decahydrate ACS
Na2SO4-10H2O
Formula Wt 322.19
CAS
Number 7727-73-3
REQUIREMENTS
Assay: 99.0%
Na2SO4-10H2O
pH of a 5% solution: 5.2-9.2 at 25C
MAXIMUM ALLOWABLE
Insoluble matter: 0.01%
Chloride (Cl): 5
ppm
Nitrogen compounds (as N): 3
ppm
Phosphate (PO4): 5
ppm
Heavy metals (as
Pb): 3
ppm
Iron (Fe): 5
ppm
Calcium (Ca): 0.005%
Magnesium (Mg): 0.003%
Potassium (K): 0.005%
Sodium Sulphate BP IP Sodium Sulfate USP ACS Analytical Reagent FCC Food grade manufacturers at:
MUBY CHEMICALS GROUP
DONGRI-CHINCHBUNDER, MUMBAI 400009, INDIA
TEL: (OFFICE)
91-22-23770100, 91-22-23726950, 91-22-23774610, 23723564.
e-mail: info@mubychem.com
