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Calcium Chloride USP

Calcium Chloride, Dihydrate. USP
MF CaCl2·2H2O M.wt**7.*1

Assay— Calcium Chloride contains an amount of CaCl2 equivalent to not less than *9.0 percent and not more than **7.0 percent of CaCl2·2H2O.
Packaging and storage— Preserve in tight containers.
Labeling— Where Calcium Chloride is intended for use in hem dialysis, it is so labeled.
Identification— A solution (1 in *0) responds to the tests for Calcium and for Chloride.
pH: between 4.5 and 9.2, in a solution (1 in *0).
Aluminum (where it is labeled as intended for use in hem dialysis)— the limit is 1 4g per g.
Iron, aluminum, and phosphate— To a solution (1 in *0) add 2 drops of 3 N hydrochloric acid and 1 drop of phenolphthalein TS. Then add ammonium chlorideammonium hydroxide TS, drop wise, until the solution is faintly pink, add 2 drops in excess, and heat the liquid to boiling: no turbidity or precipitate is produced.
Heavy metals— the limit is 0.**1%.
Limit of magnesium and alkali salts— Dissolve 1 g in about *0 mL of water, add **0 mg of ammonium chloride, and proceed as directed in the test for Limit of magnesium and alkali salts under Calcium Carbonate, beginning with heat the solution, and boil for 1 minute: the weight of the residue does not exceed 5 mg (1.0%).
Organic volatile impurities meets the requirements.

Calcium Chloride BP Dihydrate Specifications

Calcium Chloride BP Dihydrate
CaCl2,2H2O

DEFINITION
Content
*7.0 per cent to **3.0 per cent of CaCl2,2H2O.

CHARACTERS
Appearance
White or almost white, crystalline powder, hygroscopic.
Solubility
Freely soluble in water, soluble in ethanol (*6 per cent).

IDENTIFICATION
Solution S (see Tests) gives reaction of chlorides.
It gives the reactions of calcium.
It complies with the limits of the assay.

TESTS
Solution S
Dissolve *0.0 g in carbon dioxide-free water prepared from distilled water and dilute to **0 ml with the same solvent.
Appearance of solution: Solution S is clear and not more intensely colored than reference solution.
Acidity or alkalinity: To *0 ml of freshly prepared solution S add 0.1 ml of phenolphthalein solution. If the solution is red, not more than 0.2 ml of 0.*1 M hydrochloric acid is required to discharge the color and if the solution is colorless, not more than 0.2 ml of 0.*1 M sodium hydroxide is required to turn it red.
Sulphates: Maximum **0 ppm.
Aluminium: To *0 ml of solution S add 2 ml of ammonium chloride solution R and 1 ml of dilute ammonia and boil the solution. No turbidity or precipitate is formed.
If intended for use in the manufacture of dialysis solutions, the above test is replaced by the test for Aluminium maximum 1 ppm.
Barium: To *0 ml of solution S add 1 ml of calcium Sulphate solution R. After at least *5 min, any opalescence in the solution is not more intense than that in a mixture of 1 ml of distilled water and *0 ml of solution S.
Iron: Maximum *0 ppm, determined on solution S.
Magnesium and alkali metals: Maximum 0.5 per cent.
Heavy metals: Maximum *0 ppm.

Calcium Chloride Hexahydrate BP Specifications

Calcium Chloride BP Hexahydrate
CaCl2,6H2O

DEFINITION
Content
*7.0 per cent to **3.0 per cent of CaCl2,6H2O.

CHARACTERS
Appearance
White or almost white, crystalline mass or colorless crystals.
Solubility
Very soluble in water, freely soluble in ethanol (*6 per cent).
It solidifies at about *9C.

IDENTIFICATION
Solution S (see Tests) gives reaction of chlorides.
It gives the reactions of calcium.
It complies with the limits of the assay.

TESTS
Solution S
Dissolve *5.0 g in carbon dioxide-free water prepared from distilled water R and dilute to **0 ml with the same solvent.
Appearance of solution: Solution S is clear and not more intensely colored than reference solution.
Acidity or alkalinity: To *0 ml of freshly prepared solution S add 0.1 ml of phenolphthalein solution. If the solution is red, not more than 0.2 ml of 0.*1 M hydrochloric acid is required to discharge the color and if the solution is colorless, not more than 0.2 ml of 0.*1 M sodium hydroxide is required to turn it red.
Sulphates: Maximum **0 ppm.
Aluminium: To *0 ml of solution S add 2 ml of ammonium chloride solution R and 1 ml of dilute ammonia R1 . Heat to boiling. No turbidity or precipitate is formed. If intended for use in the manufacture of dialysis solutions, the above test is replaced by the test for Aluminium : maximum 1 ppm.
Barium: To *0 ml of solution S add 1 ml of calcium Sulphate solution. After at least *5 min, any opalescence in the solution is not more intense than that in a mixture of 1 ml of distilled water  and *0 ml of solution S.
Iron: Maximum 7 ppm, determined on solution S.
Magnesium and alkali metals: Maximum 0.3 per cent.
Heavy metals Maximum *5 ppm.

Calcium Chloride Injection as per USP Specifications

Calcium Chloride

Calcium Chloride Injection is a sterile solution of Calcium Chloride in Water for Injection. It contains not less than *5.0 percent and not more than **5.0 percent of the labeled amount of CaCl2·2H2O.

Packaging and storage— Preserve in single-dose containers, preferably of Type I glass.
Identification— It responds to the tests for Calcium and Chloride.
Bacterial end toxins— It contains not more than 0.2 USP End toxin Unit per mg of calcium chloride.
pH: between 5.5 and 7.5 in the undiluted Injection, except where the concentration is greater than 1 in *0, in which case this range applies to the Injection diluted with water to yield a concentration of 1 in *0.
Particulate matter: meets the requirements for small-volume injections.
Other requirements— It meets the requirements under Injections 1.

Calcium Chloride FCC US Food Chemical Codex

CaCl2 Formula wt, anhydrous **0.*8
CaCl2·2H2O Formula wt, dihydrate **7.*1
Calcium Chloride

DESCRIPTION
Calcium Chloride occurs as white, hard fragments, granules, or powder. It is anhydrous or contains two molecules of water of hydration. It is deliquescent. It is soluble in water and slightly soluble in alcohol. The pH of a 1:*0 aqueous solution is between 4.5 and *1.0.
Function Firming agent.

REQUIREMENTS
Labeling: Indicate whether it is anhydrous or the dihydrate.
Identification: A 1:*0 aqueous solution gives positive tests for Calcium and for Chloride.
Assay: Anhydrous: Not less than *3.0% and not more than **0.5% of CaCl2; Dihydrate: Not less than *9.0% and not more than **7.0% of CaCl2·2H2O.
Acid-Insoluble Matter Anhydrous: Not more than 0.*2%; no particles per kilogram of sample greater than 2 mm in any dimension.
Arsenic: Not more than 3 mg/kg.
Fluoride: Not more than 0.**4%.
Lead: Not more than 5 mg/kg.
Magnesium and Alkali Salts Anhydrous: Not more than 5.0%; Dihydrate: Not more than 4.0%.

Calcium Chloride Solution FCC Food Grade; US Food Chemical Codex

Calcium Chloride

DESCRIPTION
Calcium Chloride Solution occurs as a clear to slightly turbid, colorless or slightly colored liquid at room temperature. It is normally available in a concentration range of about *5% to *5% of CaCl2.
Function: Sequestrant; firming agent.

REQUIREMENTS
Identification: When diluted to a concentration of about 1:*0 (CaCl2 basis), a sample gives positive tests for Calcium and for Chloride.
Assay: Not less than *0.0% and not more than **0.0%, by weight, of the labeled amount of calcium chloride, expressed as CaCl2.
Alkalinity [as Ca(OH)2]: Not more than 0.3%.
Fluoride: Not more than 0.**4%, calculated on the amount of CaCl2 as determined in the Assay.
Lead: Not more than 4 mg/kg, calculated on the amount of CaCl2 as determined in the Assay.
Magnesium and Alkali Salts: Not more than 5.0%, calculated on the amount of Calcium Chloride as determined in the Assay.

Calcium Chloride Dihydrate ACS Analytical Reagent

CaCl2 . 2H2O
Formula Wt **7.*1
CAS Number *********8
Calcium Chloride

REQUIREMENTS
Assay: *9.****5.0% CaCl2 - 2H2O
pH of a 5% solution: 4.**8.5 at *5C

MAXIMUM ALLOWABLE
Insoluble matter: 0.*1%
Oxidizing substances (as NO3): 0.**3%
Sulfate (SO4): 0.*1%
Ammonium (NH4): 0.**5%
Barium (Ba): 0.**5%
Heavy metals (as Pb): 5 ppm
Iron (Fe): 0.**1%
Magnesium (Mg): 0.**5%
Potassium (K): 0.*1%
Sodium (Na): 0.*2%
Strontium (Sr): 0.1%

Calcium Chloride Desiccant

CaCl2
Formula Wt **0.*8
CAS Number *********4

REQUIREMENTS
Assay: *6.0% CaCl2

MAXIMUM ALLOWABLE
Titrable base: 0.**6 meq/g