Cupric Copper Sulfate Manufacturers Suppliers

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Cupric Sulfate Copper Sulfate BP USP FCC Food Grade ACS Reagent Manufacturers Suppliers

Copper Sulfate
Cupric Sulfate BP USP FCC Food Grade ACS Reagent

Copper Sulfate CAS Number: 7758-98-7 (anhydrous), 7758-99-8 (pentahydrate), Molecular Formula: CuSO4 (anhydrous), CuSO4.5H2O (pentahydrate), Molecular Weight: 159.62 g/mol (anhydrous) 249.70 g/mol (pentahydrate)

Specifications of Copper Sulfate Pentahydrate.
Appearance: Blue Colored Powder & Crystals
Copper as Cu %: 24.50 Min
Nickel as Ni %: 0.03 Max
Iron as Fe %: 0.20 Max
Lead as Pb %: 0.002 Max
Cadmium as Cd %: 0.001 Max
Arsenic as As %: 0.0005 Max
Mercury as Hg %: 0.0005 Max
Insoluble matter %: 0.02 Max in water
pH in 5% Solution: 3.50 Min

Specifications of Copper Sulpfate Anhydrous.
Appearance: Blue Colored Powder & Crystals
Copper as Cu %: 38.2 Min
Nickel as Ni %: 0.05 Max
Iron as Fe %: 0.30 Max
Lead as Pb %: 0.003 Max
Cadmium as Cd %: 0.001 Max
Arsenic as As %: 0.0007 Max
Mercury as Hg %: 0.0007 Max
Insoluble matter %: 0.03 Max in water

Copper Sulfate Cupric Sulfate FCC Food grade
CuSO4 Formula wt, anhydrous 159.6
CuSO4·5H2O Formula wt, pentahydrate 249.68
INS: 519 CAS: anydrous [CAS 7758-98-7]
CAS: pentahydrate [CAS 7758-99-8]

DESCRIPTION
Copper Sulfate occurs as blue crystals, crystalline granules, or powder. It effloresces slowly in dry air and is freely soluble in water, soluble in glycerin, and slightly soluble in alcohol.

REQUIREMENTS
Identification: A 1:20 solution gives positive tests for Copper and for Sulfate.
Assay: Not less than 98.0% and not more than 102.0% of CuSO4·5H2O.
Iron: Not more than 0.01%.
Lead: Not more than 4 mg/kg.
Substances Not Precipitated by Hydrogen Sulfide: Not more than 0.3%.

Copper Sulphate Pentahydrate BP Grade Ph Eur
CuSO4-5H2O --- 249.7 --- CAS 7758-99-8

CHARACTERS
Appearance: Blue, crystalline powder or transparent, blue crystals.
Solubility: Freely soluble in water, soluble in methanol, practically insoluble in ethanol (96 per cent).

IDENTIFICATION
A. Add several drops of dilute ammonia to 1 ml of solution S (see Tests). A blue precipitate is formed. On further addition of dilute ammonia the precipitate dissolves and a dark blue colour is produced.
B. Loss on drying (see Tests).
C. Dilute 1 ml of solution S to 5 ml with water. The solution gives reaction of sulphates.

TESTS
Solution S: Dissolve 5 g in water and dilute to 100 ml with the same solvent.
Appearance of solution: Solution S is clear.
Chlorides: Maximum 100 ppm.
Iron: Maximum 1.00 × 102 ppm.
Atomic absorption spectrometry: To meet the requirement.
Lead: Maximum 50.0 ppm.
Loss on drying: 35.0 per cent to 36.5 per cent, determined on 0.500 g by drying in an oven at 250 ± 10 °C.

Cupric Sulfate Cupric Sulfate USP Grade
CuSO45H2O --- 249.69
Sulfuric acid, copper(2+) salt (1:1), pentahydrate.
Copper(2+) sulfate (1:1) pentahydrate [CAS 7758-99-8].
Anhydrous 159.61 [CAS 7758-98-7].

Cupric Sulfate, dried at 250 to constant weight, contains not less than 98.5 percent and not more than 100.5 percent of CuSO4.

Identification: A solution (1 in 10) responds to the tests for Copper and for Sulfate.
Loss on drying: Dry it at 250 to constant weight: it loses between 33.0% and 36.5% of its weight.
Limit of sodium: The limit is 0.02%.
Limit of potassium: The limit is 0.01%.
Limit of calcium: The limit is 0.005%.
Limit of iron: The limit is 0.003%.
Limit of nickel: The limit is 0.005%.

Cupric Sulfate Pentahydrate ACS AR Analytical Reagent Grade
CuSO4 · 5H2O Formula Wt 249.68
CAS Number 7758–99–8

MAXIMUM ALLOWABLE
Insoluble matter: 0.005%
Chloride (Cl): 0.001%
Nitrogen compounds (as N): 0.002%
Calcium (Ca): 0.005%
Iron (Fe): 0.003%
Nickel (Ni): 0.005%
Potassium (K): 0.01%
Sodium (Na): 0.02%

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