Potassium Alum
Potassium alum is commonly used in water purification, Leather Tanning, Dyeing, Fireproof Textiles, and Baking Powder.
Application & Uses
Potassium alum is commonly used in water purification, Leather Tanning, Dyeing, Fireproof Textiles, and Baking Powder.
Dosage & Directions for Use
Potash alum is a chemical compound widely used as the potassium sulfate dodecahydrate. It is double salt that is used commonly in medicine and the water treatment process. Potash alum is also known as potassium alum or potassium aluminium sulfate. The chemical formula of potash alum is K2SO4.Al2(SO4)3.24H2O. It is also commonly referred to as ‘fitkari.’
Technical Specifications & Properties
| Molar Mass |
258.192 g/mol (anhydrous)
474.37 g/mol (dodecahydrate) |
| Density | 1.725 g/cm3 |
| Melting Point | 92 to 95 °C (198 to 203 °F; 365 to 368 K) |
| Boiling Point | 200 °C (392 °F; 473 K) |
| Test | Specification | Result |
| Appearance (Color) | White | White |
| Appearance (Form) | Powder | Powder |
| Solubility (Color) | Colorless | Colorless |
|
Solubility (Turbidity) 0.5M, H2O |
Clear to Slightly Hazy | Clear |
| Calcium (Ca) | _< 0.0005 % | < 0.0005 % |
| Copper (Cu) | _< 0.0005 % | < 0.0005 % |
| Iron (Fe) | _< 0.001 % | 0.001 % |
| Magnesium (Mg) | _< 0.005 % | < 0.005 % |
| Sodium (Na) | _< 0.02 % | < 0.02 % |
| Phosphorus (P) | _< 0.0005 % | < 0.0005 % |
| Lead (Pb) | _< 0.001 % | < 0.001 % |
| Zinc (Zn) | _< 0.0005 % | < 0.0005 % |
|
Chloride (Cl) < or = 0.0005% |
Pass | Pass |
| Insoluble Matter | _< 0.005 % | 0.002 % |
| Ammonia (NH4) | _< 0.005 % | 0.002 % |
|
Purity by Titration by EDTA |
_> 98.0 % | 99.8 % |
| Form | Liquid |
| Colour | Dark brown |
| Odour | Hydrocarbon-like. |
| Odor Threshold | No Information Available |
| pH | Not Applicable |
| Melting Point | < -40 °F (< -40 °C) |
| Boiling Point | 348.8 °F (176 °C) |
| Flash Point | 150.1 °F (65.6 °C) Pensky-Martens Closed Cup |
| Evaporation Rate | < 1 (Ether =1) |
| Flammability (solid, gas) | Not Applicable |
| Explosive limits Lower / Uper | Not Available |
| Vapour pressure | < 5 mm Hg @ 21°C |
| Vapour Density | > 1 (Air =1) |
| Secific Gravity | 1.42 |
| Decomposition Temperature | No information available |
| Partition coefficient | No data available |
| Autoignition Temperature | No data available |
| Solubility in Water | Not Soluble |
| Viscosity | < 400 cSt @ 60°F |
| Explosive properties |
Product Description & Chemical Profile
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