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Zinc Sulfate or Zinc Sulphate Anhydrous Monohydrate Heptahydrate Manufacturer Exporter BP Ph Eur USP FCC Food AR ACS Grade Manufacturer Exporter
Crystal Clear Products is a manufacturer exporter company manufacturing several chemicals including Zinc Sulfate or Zinc Sulphate Anhydrous Monohydrate Heptahydrate and IP BP Ph Eur USP NF JP ACS AR Analytical Reagent FCC Food Grade, Pharmaceutical Chemicals at best prices. The group has offices and factories in India USA and UAE and toll manufacturers in China and sells to almost every country in the world.
The manufacturing facilities of our partner manufacturers have one or more of FDA-cGMP-GLP certification, ISO-9001 certification, Halal and/or Kosher certification, REACH pre-registration ISO-22000 HACCP. We also allow third party inspection of products offered. We can offersmall quantities from laboratory and trial packs to large shipments of container loads of material.
Hazard Statements:
H302: Harmful if swallowed
H315: Causes skin irritation.
H318: Causes serious eye damage.
H335: May cause respiratory irritation.
H410: Very toxic to aquatic life with long lasting effects.
Signal Word: Danger
Transport Information
DOT USA, TDG Canada & ADR/RID Europe:
UN Number: 3077
UN proper shipping name: ENVIRONMENTALLY HAZARDOUS SUBSTANCE, SOLID, N.O.S. (Zinc sulphate monohydrate)
Transport hazard class(es): 9; Packaging group: III.
IATA/ICAO:
UN Number: 3077
UN proper shipping name: ENVIRONMENTALLY HAZARDOUS SUBSTANCE, SOLID, N.O.S. (Zinc sulphate monohydrate)
Transport hazard class(es): 9; Packaging group: III.
IMDG/IMO:
UN Number: 3077
UN proper shipping name: ENVIRONMENTALLY HAZARDOUS SUBSTANCE, SOLID, N.O.S. (Zinc sulphate monohydrate)
Transport hazard class(es): 9; Packaging group: III.
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Zinc Sulfate or Zinc Sulphate Anhydrous Monohydrate Heptahydrate SDS of Manufacturers
CAS Number 7446-20-0 & 7733-02-0 Zinc Sulfate or Zinc Sulphate, EINECS: 231-793-3, Molecular Weight: 287.54, Chemical Formula: ZnSO4-7H2O
Zinc Sulfate USP Grade Specifications
ZnSO4-xH2O
Sulfuric acid, zinc salt (1:1), hydrate.
Zinc sulfate (1:1) monohydrate 179.46
Zinc sulfate (1:1) heptahydrate 287.56 CAS 7446-20-0
Anhydrous 161.46 CAS 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 Sulphate Heptahydrate BP Ph Eur Grade Specifications
ZnSO4,7H2O -- 287.5 -- CAS 7446-20-0
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 Grade Specifications
ZnSO4-6H2O -- 269.5 -- CAS 13986-24-8
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 Grade Specifications
ZnSO4-H2O -- 179.5 -- CAS 7446-19-7
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 FCC Food Grade Specifications
ZnSO4-H2O Formula weight, monohydrate 179.45
ZnSO4-7H2O Formula weight, heptahydrate 287.54
CAS: monohydrate CAS 7446-19-7
CAS: heptahydrate CAS 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 238C; 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 Analytical Reagent Grade Specifications
Zinc Sulfate Heptahydrate
ZnSO4-7H2O
Formula Weight 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%
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Last updated
11/19/2022
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