Ammonium Chloride Pure & BP USP FCC Food Grade ACS Manufacturers, NH4Cl |
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USP BP IP ACS FCC Food Grade, AR Analytical Reagent Grade
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Ammonium Chloride BP USP IP FCC ACS FCC Food grade Manufacturers
Ammonium Chloride LR AR Analytical Reagent Technical & Pure Manufacturers
Ammonium Chloride
Pure Crystals, Tablets, Blocks, Bricks Pellets
Also IP BP Ph. Eur. USP ACS AR LR FCC Food Grades
Ammonium Chloride USP
NH4Cl 53.49
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
NH4Cl
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 105 °C for 2 h.
Sulphated ash: Maximum 0.1 per cent,
determined on 2.0 g.
Ammonium Chloride FCC Food Grade
NH4Cl Formula wt 53.49
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 Grade
NH4Cl Formula Wt 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%
Ammonium Chloride manufacturers
Ammonium Chloride BP USP IP FCC ACS Food AR Grade Manufacturers:
Muby Chem Ltd.
Toll manufacturing & Warehouse at Houston & Midland, Texas, USA and India
USA, Canada, Mexico Customers may e-mail: usa@mubygroup.com
Call 1-844-682-9243
Europe Africa Asia India Mumbai e-mail: info@mubygroup.com
Call +91-22-23774610
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Ammonium Chloride Manufacturers
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