Zinc Sulphate BP Zinc Sulfate Pure & USP ACS Reagent FCC Food grade Manufacturers |
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Zinc Sulfate
Manufacturers Commercial Pure
MSDS of Zinc Sulphate
Sulfate BP USP ACS Analytical Reagent Manufacturers
Zinc Sulfate
Commercial & Pure Crystals, Zinc Sulphate
Also IP BP Ph. Eur. USP ACS AR LR FCC Food Grades
Specifications of Zinc Sulphate Heptahydrate BP Ph Eur
ZnSO4-7H2O-287.5-7446-20-0
Zinc Sulphate
BP Heptahydrate
Action
and use
Astringent.
Preparations
Zinc
Sulphate Eye Drops
Zinc
Sulphate Lotion
DEFINITION
Content
99.0 per
cent to 104.0 per cent Zinc
Sulphate Heptahydrate ( Zinc
Sulfate Heptahydrate ).
CHARACTERS
Appearance
White or
almost white, crystalline powder or colourless, transparent crystals,
efflorescent.
Solubility
Very
soluble in water, practically insoluble in alcohol.
IDENTIFICATION
A. Solution
S (see Tests) gives the reactions of sulphates.
B. Solution
S gives the reaction of zinc.
C. It
complies with the limits of the assay.
TESTS
Solution S
Dissolve
2.5 g in carbon dioxide-free water and dilute to 50 ml with the same
solvent.
Appearance of solution
Solution S is clear and colourless.
pH
4.4 to 5.6
for solution S.
Chlorides
Maximum 300
ppm.
Iron
Maximum 100
ppm.
Zinc Sulphate Hexahydrate BP Ph Eur
ZnSO4,6H2Oıı269.5ıı13986-24-8
Zinc Sulphate
BP Hexahydrate
Action
and use
Astringent.
DEFINITION
Content
99.0 per
cent to 104.0 per cent Zinc
Sulphate Hexahydrate ( Zinc
Sulfate Hexahydrate ).
CHARACTERS
Appearance
White or
almost white, crystalline powder or colourless transparent crystals,
efflorescent.
Solubility
Very
soluble in water, practically insoluble in alcohol.
IDENTIFICATION
A. Solution
S (see Tests) gives the reactions of sulphates.
B. Solution
S gives the reaction of zinc.
C. It
complies with the limits of the assay.
TESTS
Solution S
Dissolve
2.5 g in carbon dioxide-free water and dilute to 50 ml with the same
solvent.
Appearance of solution
Solution S
is clear and colourless.
pH
4.4 to 5.6
for solution S.
Chlorides
Maximum 300
ppm.
Iron
Maximum 100
ppm.
Zinc Sulphate Monohydrate BP Ph Eur
ZnSO4,H2Oıı179.5ıı7446-19-7
Zinc Sulphate
BP Monohydrate
Action
and use
Astringent.
DEFINITION
Content
99.0 per
cent to 101.0 per cent.
CHARACTERS
Appearance
White or
almost white, crystalline powder, or colourless, transparent crystals.
Solubility
Very
soluble in water, practically insoluble in ethanol (96 per cent).
IDENTIFICATION
A. Solution
S (see Tests) gives the reactions of sulphates.
B. Solution
S gives the reaction of zinc.
C. It
complies with the limits of the assay.
TESTS
Solution
S
Dissolve
2.5 g in carbon dioxide-free water R and dilute to 50 ml with the same
solvent.
Appearance of solution
Solution S
is clear and colourless.
pH
4.4 to 5.6
for solution S.
Chlorides
Maximum 300
ppm.
Iron
Maximum 100
ppm.
Zinc Sulfate USP
Zinc
Sulfate USP
ZnSO4·xH2O.
Sulfuric
acid, zinc salt (1:1), hydrate.
Zinc
sulfate (1:1) monohydrate 179.46
Zinc sulfate (1:1) heptahydrate 287.56 [7446-20-0]
Anhydrous 161.46 [7733-02-0]
Zinc Sulfate contains one or seven molecules of water of hydration. The monohydrate contains not less than 89.0 percent and not more than 90.4 percent of ZnSO4, corresponding to not less than 99.0 percent and not more than 100.5 percent of ZnSO4·H2O, and the heptahydrate contains not less than 55.6 percent and not more than 61.0 percent of ZnSO4, corresponding to not less than 99.0 percent and not more than 108.7 percent of ZnSO4·7H2O.
Identification— A solution of it
responds to the tests for Zinc and for Sulfate.
Acidity— A solution containing the
equivalent of 28 mg of ZnSO4 per mL is not colored pink by methyl orange TS.
Arsenic— the limit is 14 ppm.
Lead— The lead limit is 0.002%.
Alkalies and alkaline earths— Dissolve the equivalent of 1.12 g of ZnSO4 in about 150 mL of water contained in
a 200-mL volumetric flask. Precipitate the zinc completely by means of ammonium
sulfide TS, and dilute with water to volume. Mix, and filter through a dry
filter, rejecting the first portion of the filtrate. To 100 mL of the subsequent
filtrate add a few drops of sulfuric acid, evaporate to dryness in a tarred dish,
and ignite: the weight of the residue does not exceed 5 mg (0.9%).
Zinc Sulfate FCC
ZnSO4·H2O
Formula wt, monohydrate 179.45
ZnSO4·7H2O
Formula wt, heptahydrate 287.54
CAS:
monohydrate [7446-19-7]
CAS:
heptahydrate [7446-20-0]
DESCRIPTION
Zinc
Sulfate occurs as colorless, transparent prisms or small needles, or as a
granular, crystalline powder. It contains one or seven molecules of water of
hydration. The monohydrate loses water at temperatures above 238°; the
heptahydrate effloresces in dry air at room temperature. Its solutions are acid
to litmus. The monohydrate is soluble in water and practically insoluble in
alcohol. One gram of the heptahydrate dissolves in about 0.6 mL of water and in
about 2.5 mL of glycerin; it is insoluble in alcohol.
Function: Nutrient.
REQUIREMENTS
Identification: A 1:20 aqueous solution
gives positive tests for Zinc and for Sulfate.
Assay: Monohydrate: Not less
than 98.0% and not more than 100.5% of ZnSO4·H2O; Heptahydrate: Not less
than 99.0% and not more than 108.7% of ZnSO4·7H2O.
Acidity: Passes test.
Alkalies and Alkaline Earths: Not
more than 0.5%.
Cadmium: Not more than 2 mg/kg.
Lead: Not more than 4 mg/kg.
Mercury: Not more than 5 mg/kg.
Selenium: Not more than 0.003%.
Zinc Sulfate ACS
ACS Specifications
Reagent Chemicals
ACS Specifications
Zinc Sulfate Heptahydrate
ZnSO4 . 7H2O
Formula
Wt 287.56
CAS Number 7446-20-0
REQUIREMENTS
| Assay | 99.0-103.0% ZnSO4 . 7H2O |
| pH of a 5% solution | 4.4-6.0 at 25C |
MAXIMUM ALLOWABLE
| Insoluble matter | 0.01% |
| Chloride (Cl) | 5 ppm |
| Nitrate (NO3) | 0.002% |
| Ammonium (NH4) | 0.001% |
| Calcium (Ca) | 0.005% |
| Iron (Fe) | 0.001% |
| Lead (Pb) | 0.003% |
| Magnesium (Mg) | 0.005% |
| Manganese (Mn) | 3 ppm |
| Potassium (K) | 0.01% |
| Sodium (Na) | 0.05% |
Zinc Sulphate BP Zinc Sulfate USP ACS Analytical Reagent FCC Food grade manufacturers at:
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
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