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Magnesium Chloride Hexahydrate

Magnesium Chloride Hexahydrate USP BP FCC Food ACS Reagent Grade Supplier Manufacturer's Representative

CAS number: 7791-18-6 (Magnesium Chloride Hexahydrate)
Molecular Weight: 203.31
Chemical Formula: MgCl2 6H2O

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DESCRIPTION

Magnesium Chloride Hexahydrate Specifications

Magnesium Chloride Hexahydrate Pure Crystals/Pellets
Formula: -----------: MgCl2.6H2O
Molecular Weight ---: 203.3
Purity as MgCl2.6H2O: 99.5% minimum
Appearance: --------: White Crystals or White Pellets
Sulphate: ----------: 0.01% max
Calcium: -----------: 0.1% max
Iron: --------------: 10 ppm max
Heavy Metals: ------: 1 ppm max

Magnesium Chloride Hexahydrate Technical Grade Crystals/Pellets
Formula: -----------: MgCl2.6H2O
Molecular Weight ---: 203.3
Purity as MgCl2.6H2O: 98% minimum
Appearance: --------: White to Off-white Crystals
Sulphate: ----------: 0.5% max
Calcium: -----------: 0.7% max
Iron: --------------: 25 ppm max
Heavy Metals: ------: 5 ppm max

Magnesium Chloride Hexahydrate Technical Grade Flakes
Formula: -----------: MgCl2.6H2O
Molecular Weight ---: 203.3
Purity as MgCl2.6H2O: 99% minimum
Appearance: --------: White Flakes
Sulphate: ----------: 0.5% max
Calcium: -----------: 0.7% max
Iron: --------------: 25 ppm max
Heavy Metals: ------: 5 ppm max

Magnesium chloride (E511 is an important coagulant used in the preparation of cheese and tofu. In Japan it is sold as nigari (derived from the Japanese word for "bitter"), In China, it is called lushui. Nigari or lushui consists mostly of magnesium chloride, with some magnesium sulfate and other trace elements. It is also an ingredient in baby formula milk.

Magnesium Chloride USP Grade Specifications
MgCl2.6H2O 203.30
Magnesium Chloride USP
Magnesium Chloride Hexahydrate USP[CAS Number 7791-18-6].
Magnesium Chloride Anhydrous USP95.21 [CAS Number 7786-30-3].

Magnesium Chloride contains not less than 98.0 percent and not more than 101.0 percent of MgCl2·6H2O.
Identification: A solution (1 in 20) responds to the tests for Magnesium and for Chloride
pH: between 4.5 and 7.0, in a 1 in 20 solution in carbon dioxide-free water.
Insoluble matter: not more than 0.005% is found.
Sulfate: A 10-g portion shows no more sulfate than corresponds to 0.50 mL of 0.020 N sulfuric acid (0.005%).
Barium: Dissolve 1 g in 10 mL of water, and add 1 mL of 2 N sulfuric acid: no turbidity is produced within 2 hours.
Limit of calcium: the limit is 0.01%.
Potassium: Dissolve 5 g in 5 mL of water, and add 0.2 mL of sodium bitartrate TS: no turbidity is produced within 5 minutes.
Aluminum (where it is labeled as intended for use in hem dialysis): the limit is 1 µg per g.
Heavy metals: the limit is 0.001%.
Organic volatile impurities: meets the requirements.

Magnesium Chloride BP Grade Specifications
MgCl2.6H2O
Magnesium Chloride BP
Magnesium Chloride Hexahydrate BP [CAS Number 7791-18-6].
Magnesium Chloride Anhydrous BP 95.21 [CAS Number 7786-30-3].

DEFINATION
Content: 98.0 per cent to 101.0 per cent of MgCl2,6H2O.

CHARACTERS
Appearance:Colourless crystals, hygroscopic.
Solubility: Very soluble in water, freely soluble in ethanol (96 per cent).

IDENTIFICATION
Water % (see Tests).
It gives reaction of chlorides.
It gives the reaction of magnesium.

TESTS
Solution S: Dissolve 10.0 g in carbon dioxide-free water R prepared from distilled water and dilute to 100.0 ml with the same solvent.
Appearance of solution: Solution S is clear and colourless.
Acidity or alkalinity: To 5 ml of solution S add 0.05 ml of phenol red solution R. Not more than 0.3 ml of 0.01 M hydrochloric acid or 0.01 M sodium hydroxide is required to change the colour of the indicator.
Bromides: Maximum 500 ppm.
Sulphates: Maximum 100 ppm, determined on solution S.
Aluminium: Maximum 1 ppm, if intended for use in the manufacture of peritoneal dialysis solutions, hem dialysis solutions, or haemofiltration solutions.
Arsenic: Maximum 2 ppm, determined on 0.5 g.
Calcium: Maximum 0.1 per cent.
Iron: Maximum 10 ppm, determined on solution S.
Potassium: Maximum 5.0 × 102 ppm, if intended for use in the manufacture of parenteral dosage forms.
Atomic emission spectrometry: Passes the test
Heavy metals: Maximum 10 ppm.
Water: 51.0 per cent to 55.0 per cent, determined on 50.0 mg.

Magnesium Chloride FCC Food Grade, US Food Chemical Codex Grade Specifications
Formula: MgCl2·6H2O
weight: 203.30

DESCRIPTION
Magnesium Chloride occurs as colorless flakes or crystals. It contains six molecules of water of hydration. It is hygroscopic, very soluble in water, and freely soluble in alcohol.
Function: Color-retention agent; firming agent.

REQUIREMENTS
Identification: A 1:10 aqueous solution gives positive tests for Magnesium and for Chloride.
Assay: Not less than 99.0% and not more than 105.0% of MgCl2·6H2O.
Ammonium: Not more than 0.005%.
Lead: Not more than 4 mg/kg.
Sulfate: Not more than 0.03%.

Magnesium chloride (E511 is an important coagulant used in the preparation of cheese and tofu. In Japan it is sold as nigari (derived from the Japanese word for "bitter"), In China, it is called lushui. Nigari or lushui consists mostly of magnesium chloride, with some magnesium sulfate and other trace elements. It is also an ingredient in baby formula milk.

Magnesium Chloride Hexahydrate ACS Analytical Reagent Grade Specifications
Magnesium Chloride ACS Reagent Grade
MgCl2-6H2O
Formula weight 203.30
CAS Number 7791-18-6

REQUIREMENTS
Assay: 99.0-102.0% MgCl2 . 6H2O

MAXIMUM ALLOWABLE
Insoluble matter: 0.005%
Nitrate (NO3): 0.001%
Phosphate (PO4): 5 ppm
Sulfate (SO4): 0.002%
Ammonium (NH4): 0.002%
Barium (Ba): 0.005%
Calcium (Ca): 0.01%
Manganese (Mn): 5 ppm
Potassium (K): 0.005%
Sodium (Na): 0.005%
Strontium (Sr): 0.005%
Heavy metals (as Pb): 5 ppm
Iron (Fe): 5 ppm

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