Ammonium chloride

SKU:
TC092M
CAS Number : 12125-02-9
Molecular Formula : NH₄Cl
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Product Description

Molecular weight 53.49
Molecular formula NH4Cl
CAS No. 12125-02-9

Quality Control

Appearance (USP) Colourless crystals or white fine or coarse, crystalline powder, hygroscopic
Appearance (EP, BP) White or almost white, crystalline powder or colourless crystals
Appearance (IP) Colourless crystals or a white, crystalline powder
Solubility (USP) Freely soluble in water and in glycerin, and even more so in boiling water, sparingly soluble in alcohol
Solubility (EP, BP) Freely soluble in water
Solubility (IP) Freely soluble in water; sparingly soluble in ethanol (95%)
Identification (USP, IP) Reactions for ammonium and chloride
Identification A (EP, BP) Reaction for chlorides
Identification B (EP, BP) Reaction for ammonium salts
Appearance of solution (EP, BP, IP) 10% solution in water is clear and colourless
pH (5% in water at 25°C) (USP) 4.60 - 6.00
pH (5% in water at 25°C) (IP) 4.50 - 6.00
Acidity or alkalinity (EP, BP) <= 0.5mL of 0.01M HCl or 0.01M NaOH is required to change the colour of the indicator
Residue on ignition (USP) <= 0.1%
Heavy metals (IP) <= 0.001%
Arsenic (IP) <= 0.0004%
Iron (EP, BP, IP) <= 0.002%
Calcium (EP, BP, IP) <= 0.02%
Sulphates (EP, BP, IP) <= 0.015%
Bromide and iodides (EP, BP) The chloroform layer remains colourless
Limit of thiocyanate (USP) No orange-red colour is produced
Thiocyanate (IP) No red colour is produced
Sulphated ash (EP, BP, IP) <= 0.1%
Loss on drying (USP) <= 0.5% (over silica gel, 4hr)
Loss on drying (EP, BP, IP) <= 1.0% (at 105°C, 2hr)
Assay (AT, dried basis) (USP) 99.50 - 100.50%
Assay (NaOH T, dried substance) (EP, BP, IP) 99.00 - 100.50%

Storage and Shelf Life

Store below 30°C away from bright light.
Shelf life 48 months.
Use before expiry date given on the product label.
CAS Number : 12125-02-9
Molecular Formula : NH₄Cl
More Information
Product Name Ammonium chloride
SKU TC092M
CAS No 12125-02-9
EC No. 235-186-4
EC Index No. 017-014-00-8
Molecular formula NH₄Cl
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