Potassium chloride

SKU:
TC010M
CAS Number : 7447-40-7
Molecular Formula : KCl
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Product Identifier

Product Code TC010M

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
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