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Manganese Chloride Tetrahydrate Anhydrous SDS of Manufacturers
CAS Number 13446-34-9 Tetrahydrate and 7773-01-5 Anhydrous Manganese Chloride, EINECS: 231-869-6, Molecular Weight: 197.9, Chemical Formula: MnCl4-4H2O
Manganese Chloride Tetrahydrate Analytical Reagent Grade Specifications
Manganese (II) Chloride Tetrahydrate
Manganous Chloride Tetrahydrate
MnCl2-4H2O
Formula Weight 197.90
CAS Number 13446-34-9
REQUIREMENTS
Assay: 98.0-101.0% MnCl2-4H2O
pH of a 5% solution: 3.5-6.0 at 25C
MAXIMUM ALLOWABLE
Insoluble matter: 0.005%
Sulfate (SO4): 0.005%
Heavy metals (as Pb): 5 ppm
Iron (Fe): 5 ppm
Calcium (Ca): 0.005%
Magnesium (Mg): 0.005%
Potassium (K): 0.01%
Sodium (Na): 0.05%
Zinc (Zn): 0.005%
TESTS
pH of a 5% Solution: The pH should be 3.5-6.0 at 25C.
Insoluble matter: Use 20 g dissolved in 150 mL of water.
Sulfate: Dissolve 10 g in 100 mL of water, add 1 mL of hydrochloric acid, filter, and heat the filtrate to boiling. Add 10 mL of barium chloride reagent solution, digest in a covered beaker on a hot plate (about 100C) for 2 h, and allow to stand overnight. If a precipitate is formed, filter through a fine ash less paper, wash thoroughly, and ignite. Correct for the weight obtained in a complete blank test.
Heavy Metals: Dissolve 6.0 g in about 20 mL of water, and dilute with water to 30 mL. Use 25 mL to prepare the sample solution, and use the remaining 5.0 mL to prepare the control solution. Adjust the pH with ammonium acetate solution.
Iron. Use 2.0 g.
Calcium, Magnesium, Potassium, Sodium, and Zinc: (By flame AAS 39).
Sample Stock Solution: Dissolve 5.0 g in water in a 100-mL volumetric flask, add 0.5 mL of hydrochloric acid, and dilute with water to the mark (1 mL = 0.05 g). To pass the test.
Manganese Chloride FCC Food Grade
MnCl2 Formula weight, anhydrous 125.84
MnCl2-4H2O Formula wt, tetrahydrate 197.91
CAS: anhydrous 7773-01-5
CAS: tetrahydrate 13446-34-9
DESCRIPTIONIt
It occurs as large, irregular, pink, translucent crystals. It is freely soluble in water at room temperature and very soluble in hot water.
Function: Nutrient.
REQUIREMENTS
Identification: A 1:20 aqueous solution gives positive tests for Manganese and for Chloride.
Assay: Not less than 98.0% and not more than 102.0% of MnCl2-4H2O.
Insoluble Matter: Not more than 0.005%.
Iron: Not more than 5 mg/kg.
Lead: Not more than 4 mg/kg.
pH of a 5% Solution: Between 4.0 and 6.0.
Substances Not Precipitated by Sulfide: Not more than 0.2%, after ignition.
Sulfate: Not more than 0.005%.
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