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Ammonium Chloride BP IP USP ACS AR Analytical Reagent FCC Food Grade Manufacturer Exporter
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Hazard statements:
H302 Harmful if swallowed.
H319 Causes serious eye irritation.
H402 Harmful to aquatic life.
Signal Word: Warning
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IMDG/IMO: Not dangerous goods.: Not dangerous goods.
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Ammonium Chloride IP BP USP ACS AR Analytical Reagent FCC Food Grade Manufacturer
Synonyms: Sal Ammoniac, Cloruro de Amonio, Cloruro Amonico
CAS No.: 7646-85-7; Molecular Weight: 53.5; Chemical Formula: NH4Cl
Ammonium Chloride USP
NH4Cl 53.49Ammonium Chloride BP
Assay— Ammonium Chloride contains not less than 99.5 percent and not more than 100.5 percent of NH4Cl, calculated on the dried basis.
Packaging and storage— Preserve in tight containers.
Identification—
A solution (1 in 10) responds to the tests for Ammonium and for Chloride
pH: between 4.6 and 6.0, in a solution (1 in 20).
Loss on drying— Dry it over silica gel for 4 hours: it loses not more than 0.5% of its weight.
Residue on ignition—
Add 1 mL of sulfuric acid to about 2 g, accurately weighed, and heat the mixture gently until volatilization is complete: the residue is white, and when ignited, not more than 0.1% of nonvolatile substance remains.
Limit of thiocyanate— Acidify 10 mL of a solution (1 in 10) with hydrochloric acid, and add a few drops of ferric chloride TS: no orange-red color is produced.
Heavy metals: 0.001%.
Ammonium Chloride BP
NH4ClAmmonium Chloride USP
DEFINITION
Content or Assay
99.0 per cent to 100.5 per cent (On dried substance basis).
CHARACTERS
Appearance
White or almost white, crystalline powder or colourless crystals.
Solubility
Freely soluble in water.
IDENTIFICATION
A. It gives the reactions of chlorides.
B. 10 ml of solution gives the reaction of ammonium salts.
TESTS
Solution S
A 10% solution:
Appearance of solution: Solution is clear and colourless.
Acidity or alkalinity: To 10 ml of solution S add 0.05 ml of methyl red solution. Not more than 0.5 ml of 0.01 M hydrochloric acid or 0.01 M sodium hydroxide is required to change the colour of the indicator.
Bromides and iodides: To 10 ml of solution S add 0.1 ml of dilute hydrochloric acid R and 0.05 ml of chloramine solution. After 1 min, add 2 ml of chloroform R and shake vigorously. The chloroform layer remains colourless.
Sulphates: Maximum 150 ppm.
Calcium: Maximum 200 ppm.
Iron: Maximum 20 ppm.
Heavy metals: Maximum 10 ppm.
Loss on drying: Maximum 1.0 per cent, determined on 1.00 g by drying in an oven at 105C for 2 h.
Sulphated ash: Maximum 0.1 per cent, determined on 2.0 g.
INDIAN PHARMACOPOEIA
AMMONIUM CHLORIDE IP NH4Cl
MOLECULAR WEIGHT: 53.49
| DESCRIPTION | COLORLESS CRYSTALS OR WHITE, CRYSTALLINE POWDER |
| SOLUBILITY | FREELY SOLUBLE IN WATER; SPARINGLY SOLUBLE IN ETHANOL (95%) |
| STANDARD | CONTENT NOT LESS THAN 99.0% AND NOT MORE THAN 100.5% OF NH4Cl CALCULATED WITH REFERENCE TO THE DRIED SUBSTANCE |
| IDENTIFICATION | A 10% AMMONIUM CHLORIDE w/w SOLUTION GIVES THE REACTIONS OF AMMONIUM SALTS AND OF CHLORIDES |
| CLARITY AND | A 10% w/w AMMONIUM CHLORIDE SOLUTION IS CLEAR & |
| COLOR OF SOLN. | COLORLESS |
| pH | BETWEEN 4.5 AND 6.0, DETERMINED IN A 5.0 W/V SOLUTION |
| ARSENIC | NOT MORE THAN 4 PARTS PER MILLION |
| HEAVY METALS | NOT MORE THAN 10 PARTS PER MILLION |
| MAGNESIUM & | NOT MORE THAN 1% |
| ALKALI SALTS | |
| IRON | NOT MORE THAN 20 PARTS PER MILLION |
| SULPHATE | NOT MORE THAN 150 PARTS PER MILLION |
| SULPHATED ASH | NOT MORE THAN 0.1% |
| CALCIUM | NOT MORE THAN 200 PARTS PER MILLION |
| THIOCYANATE | TO PASS THE TEST |
| LOSS ON DRYING | NOT MORE THAN 1%, DETERMINED ON 1 GM BY DRYING IN AN OVEN AT 105C |
Ammonium Chloride FCC Food Grade
NH4Cl Formula wt 53.49Ammonium Chloride
DESCRIPTION
Ammonium Chloride occurs as colorless crystals or as a white, fine or coarse, crystalline powder. It is somewhat hygroscopic. One gram dissolves in 2.6 mL of water at 25°, in 1.4 mL of boiling water, in about 100 mL of alcohol, and in about 8 mL of glycerin. The pH of a 1:20 solution is between 4.5 and 6.0.
Identification: A 1:10 aqueous solution gives positive tests for Ammonium and for Chloride.
Assay: Not less than 99.0% of NH4Cl after drying.
Lead: Not more than 4 mg/kg.
Loss on Drying: Not more than 0.5%.
Ammonium Chloride ACS
American Chemical Society Analytical Reagent GradeAmmonium Chloride
NH4Cl Formula Weight 53.49
CAS Number 12125–02–9
REQUIREMENTS
Assay: ≥99.5% NH4Cl
pH of a 5% solution: 4.5–5.5 at 25 °C
MAXIMUM ALLOWABLE
Insoluble matter: 0.005%
Residue after ignition: 0.01%
Calcium (Ca): 0.001%
Magnesium (Mg): 5 ppm
Heavy metals (as Pb): 5 ppm
Iron (Fe): 2 ppm
Phosphate (PO4): 2 ppm
Sulfate (SO4): 0.002%
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Last updated
11/19/2022
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