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Aluminum potassium sulfate, colorless crystal or powder. Odorless, slightly sweet and astringent taste, convergence. It loses crystallinity by weathering in dry air, melts and drips in moist air. Soluble in glycerin, soluble in water, aqueous solution is acidic reaction, after hydrolysis alumina hydroxide gelatinous precipitate. Insoluble in alcohol .
| Molecular Formula: | KAl(SO4)2•12H2O |
| Molecular Weight: | 474.39 |
| CAS No.: | 7784-24-9 |
| Other Names: | potash alum |
| EINECS No.: | 233-141-3 |
| Port: | Qingdao, China |
| Grade Standard: | Industrial Grade |
| Purity: | ≥99% |
| Appearance: | white powder granular |
| Application: | water treatment |
| Melting point: | 92.5ºC |
| PH VALUE: | 3.0-3.5 (25ºC, 50mg/mL in H2O) |
| Packing: | 50kg/bag |
| HS Code: | 28333010 |
Aluminum potassium sulfate is mainly used as a coagulant of turbid water and plays a role in purifying water quality.
Paper industry used as sizing agent, with rosin emulsion for paper sizing, improve the water strength of paper.
Used in the pharmaceutical industry as an antiseptic, astringent, and hemostatic. Dried alum can be used as external astringent hemostatic. It can be used to prevent dermatitis in rice. Aluminum hydroxide can be made into gastric medicine. Mixed with green feed, can be used for livestock disease prevention. It is also a medicinal material of Pinellia ternata and south Star
Used in light industry as a colorant in yellow medical glass. Used in the leather industry as an aluminium tanning agent.
Paper industry used as sizing agent, with rosin emulsion used for paper sizing, in order to improve the water strength of paper. Used in the pharmaceutical industry as an antiseptic, astringent, and hemostatic. The solution of certain concentration can be used to prevent rice dermatitis. Used as mordant, retarding agent and anti - dyeing agent in printing and dyeing industry. Also used for the production of other aluminum salt raw materials, and used in the manufacture of matches, coatings, etc. In analytical chemistry, it is used as a chemical reagent for the determination of iron, manganese, antimony and aluminum, and as a hardener for bacterial staining
