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Agriculture-94
Potassium Alum
SKU: RXSOL-19-6027-025
Potash Alum, also known as potassium aluminum sulfate, is a chemical compound with the formula (KAl(SO4)2.12H2O). It's a type of alum that's commonly used in medicine, water purification, and other applications.
Application
Potassium alum is commonly used in water purification, Leather Tanning, Dyeing, Fireproof Textiles, and Baking Powder.
Technical Specification
| 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 |