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Potassium acetate can be used as a deicer instead of chloride salts such as calcium chloride or magnesium chloride. It offers the advantage of being less aggressive on soils and much less corrosive, and for this reason is preferred for airport runways. It is, however, more expensive.
| Product Name | POTASSIUM ACETATE BP/EP/USP |
| Synonym | |
| Product Code | POTA01 |
| Chemical Formula | C2H3KO2 |
| Molecular Weight | 98.14 |
| CAS No. | 127-08-2 |
| Standard Pack Size | 25 KG |
| Storage | Store in cool and dry place. |
| Retest Period | 1 YEAR |
| Application |
| Sr. No. | Test | Specifications | Reference |
| 1 | Appearance | Colorless, monoclinic crystals or white, crystalline powder having a saline and slightly alkaline taste. Is odorless, or has a faint acetous odor. Deliquesces on exposure to moist air. | BP/EP/USP |
| 2 | Solubility | Very soluble in water, freely soluble in ethanol (96%). | BP/EP/USP |
| 3 | Identification | (A) The reaction (a) of ‘Potassium’: White crystalline precipitate produce which is soluble in 6 N ammonium hydroxide and solutions of alkali hydroxides and carbonates. (B) The reaction (a) of ‘Acetates’: A deep red color produced that Is destroyed by the addition of mineral acids. | (A) BP/EP/USP (B) BP/EP/USP |
| 4 | Appearance of solution | Solution S is clear and colourless. | BP/EP |
| 5 | pH | (A) Between 7.5 to 9.0 (5 % solution). (B) Between 7.5 and 8.5 (1 in 20). | (A) BP/EP (B) USP |
| 6 | Reducing substances | The solution remains pink. | BP/EP/USP |
| 7 | Chlorides | Not more than 200 ppm. | BP/EP |
| 8 | Sulphates | Not more than 200 ppm. | BP/EP |
| 9 | Iron | Not more than 20 ppm. | BP/EP |
| 10 | Heavy metals | Not more than 4 ppm. | BP/EP |
| 11 | Sodium (AES) | Not more than 0.03% w/w (By Atomic emission spectrometry.) | BP/EP/USP |
| 12 | Loss on drying | (A) Not more than 3.0% w/w, at 1050 C. (B) Not more than 1.0% w/w, at 150 °C for 2 hours. | (A) BP/EP (B) USP |
| 13 | Assay | (A) Not less than 99.0% w/w to not more than the equivalent of 101.0% w/w, of ‘C2H3KO2’, calculated with reference to the dried substance. (B) Not less than 99.0% w/w and not more than 100.5% w/w of C2H3KO2, On dried base. | (A) BP/EP (B) USP |