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Product Identifier
Product Description
| Molecular weight |
74.55 |
| Molecular formula |
KCl |
| CAS No. |
7447-40-7 |
Quality Control
| Appearance (USP) |
Colourless, elongated, prismatic, or cubical crystals, or white granular powder |
| Appearance (EP, BP) |
White or almost white, crystalline powder or colourless crystals |
| Appearance (IP) |
Colourless crystals or a white, crystalline powder |
| Appearance (JP) |
Colourless or white crystals or crystalline powder |
| Solubility (EP, BP) |
Freely soluble in water, practically insoluble in anhydrous ethanol |
| Solubility (JP) |
Freely soluble in water, and practically insoluble in ethanol (95%) and in diethyl ether. |
| Solubility (USP) |
Freely soluble in water; insoluble in alcohol |
| Solubility (IP) |
Freely soluble in water practically insoluble in ethanol and in ether |
| Identification (IP) |
Solution A(10% solution in water)gives the reaction of potassium salts and chlorides |
| Identification A: Potassium (USP) |
Meets the requirements |
| Identification A : Chlorides (EP, BP) |
Complies |
| Identification : (JP) |
A solution of Potassium Chloride (1 in 50) responds to qualitative tests for potassium and chloride. |
| Identification B : Chloride (USP) |
Meets the requirements |
| Identification B: Potassium (EP, BP) |
Complies |
| Appearance of solution (EP, BP) |
Solution S is clear and colourless |
| Appearance of solution (IP) |
Solution A (10% in water) is clear and colourless |
| Clarity and colour of solution (JP) |
Solution is clear and colourless |
| Acidity or alkalinity (EP, BP, IP) |
NMT 0.5 mL of 0.01M HCl or 0.01M NaOH is required to change the colour of the indicator |
| Acidity or alkalinity (USP) |
Add 3 drops of phenolphthalein TS: no pink color is produced. Then add 0.30 mL of 0.020 N NaOH : a pink color is produced |
| Acidity or alkalinity (JP) |
After addition of 3 drops of phenolphthalein TS, no red color develops. After addition of 0.50 mL of 0.01M NaOH, a red color develops |
| Arsenic (JP) |
<= 0.0002% |
| Arsenic (IP) |
<= 0.0001% |
| Bromide (JP) |
No yellow to yellow-red color develops in the chloroform layer. |
| Bromide (USP, EP, BP, IP) |
<= 0.10% |
| Iodide (JP) |
No red-purple to purple color develops in the chloroform layer. |
| Iodide (USP) |
<= 0.005% |
| Iodide (BP, EP) |
The substance shows no blue colour. |
| Iodide (IP) |
The substance shows no blue colour after 5 min. |
| Barium (EP, BP,IP) |
Complies |
| Heavy metals (JP) |
<= 0.0005% |
| Heavy metals (USP, BP, IP) |
<= 0.0010% |
| Iron (EP, BP, IP) |
<= 0.0020% |
| Calcium and magnesium (JP, USP) |
No turbidity is produced within 5 min. |
| Calcium and magnesium (IP) |
20 mL of 5% solution, add 1 mL of dilute ammonia solution and 1 mL of sodium phosphate solution, the solution remains clear |
| Sodium: (JP) |
No persistent, yellow color develops |
| Sodium: (EP, BP, IP) |
<= 0.10% |
| Sodium: (USP) |
Sample solution tested on a platinum wire does not impart a pronounced yellow color to a nonluminous flame |
| Magnesium and alkaline-earth metals (EP, BP) |
<= 0.02% |
| Sulphates (EP, IP) |
<= 0.03% |
| Aluminium (USP, EP, BP, IP) |
<= 0.0001% |
| Loss on drying (at 105°C, 2hr) : (USP, IP) |
<= 1.00% |
| Loss on drying (at 105°C, 3hr) : (EP, BP) |
<= 1.00% |
| Loss on drying (at 130°C, 2hr) : (JP) |
<= 0.50% |
| Assay (AT, on dry basis) : (USP, IP) |
99.00-100.50% |
| Assay (AT, on dry basis): (EP, BP) |
99.00-101.00% |
| Assay (AT, on dry basis): (JP) |
min. 99.00% |
Storage and Shelf Life
| Storage Condition |
Store below 30°C away from bright light. |
| Shelf life |
48 months |
CAS Number :
7447-40-7
Molecular Formula :
KCl
More Information
| Product Name |
Potassium chloride |
| SKU |
TC010M |
| CAS No |
7447-40-7 |
| EC No. |
231-211-8 |
| Molecular formula |
KCl |