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Chemicals Meeting Pharmacopoeial Testing Specifications#ff0000
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 |