Aluminium potassium sulfate dodecahydrate (CAS 7784-24-9) — formula AlH24KO20S2, molecular weight 473.98 g/mol; category inorganic chemicals.
Aluminium potassium sulfate dodecahydrate (CAS 7784-24-9) is a chemical raw material in the inorganic chemicals category. Its molecular formula AlH24KO20S2 comprises 1 Al, 24 H, 1 K, 20 O, 2 S atoms. Its molecular weight is about 473.98 g/mol. Reported physicochemical data: melting point around 92.5 °C. As a sourcing and distribution partner we help locate and compare this item across domestic and cross-border channels, arranging samples and batch orders with full COA and compliance files.
| CAS Number | 7784-24-9 |
|---|---|
| Molecular Formula | AlH24KO20S2 |
| Molecular Weight | 473.98 g/mol |
| Melting Point | 92.5 °C |
| Applications | Occurs naturally as efflorescence on alum shale and as feather alum on lava, Used to dress fur skins (one of oldest methods), Forms aluminum potassium sulfate (CAS 10043-67-1) when heated above melting point (92.5 deg C), The most important alums are aluminum potassium sulfate, aluminum ammonium sulfate, and aluminum sodium sulfate. Aluminum potassium sulfate (hydrated) has the formula KAl(SO4)212H2O. Aluminum sulfate is used as a replacement of the alums. Hydrolysis of the alums yields aluminum hydroxide as a precipitant. Industrial uses include paper sizing |
| Category | Inorganic Chemicals|Basic Chemical Raw Materials|Leavening Agents|Stabilizers & Coagulants |
Documented applications: Occurs naturally as efflorescence on alum shale and as feather alum on lava, Used to dress fur skins (one of oldest methods), Forms aluminum potassium sulfate (CAS 10043-67-1) when heated above melting point (92.5 deg C), The most important alums are aluminum potassium sulfate, aluminum ammonium sulfate, and aluminum sodium sulfate. Aluminum potassium sulfate (hydrated) has the formula KAl(SO4)212H2O. Aluminum sulfate is used as a replacement of the alums. Hydrolysis of the alums yields aluminum hydroxide as a precipitant. Industrial uses include paper sizing.
Aluminium potassium sulfate dodecahydrate is an inorganic compound with CAS registry number 7784-24-9 and molecular formula AlH24KO20S2 (molecular weight 473.98 g/mol), belonging to the inorganic chemicals segment of chemical raw materials.
CAS number: 7784-24-9
Its molecular formula AlH24KO20S2 comprises 1 Al, 24 H, 1 K, 20 O, 2 S atoms.
Also known as: Aluminium potassium sulfate dodecahydrate · Aluminum potassium disulfate dodecahydrate · Aluminum Potassium Sulfate Dodecahydrate
Category: inorganic chemicals / fine chemicals / chemical / chemical
The CAS registry number of Aluminium potassium sulfate dodecahydrate is 7784-24-9.
Molecular formula AlH24KO20S2, molecular weight 473.98 g/mol.
It is also registered under: Aluminium potassium sulfate dodecahydrate, Aluminum potassium disulfate dodecahydrate, Aluminum Potassium Sulfate Dodecahydrate.
Recorded applications: Occurs naturally as efflorescence on alum shale and as feather alum on lava, Used to dress fur skins (one of oldest methods), Forms aluminum potassium sulfate (CAS 10043-67-1) when heated above melting point (92.5 deg C), The most important alums are aluminum potassium sulfate, aluminum ammonium sulfate, and aluminum sodium sulfate. Aluminum potassium sulfate (hydrated) has the formula KAl(SO4)212H2O. Aluminum sulfate is used as a replacement of the alums. Hydrolysis of the alums yields aluminum hydroxide as a precipitant. Industrial uses include paper sizing.
Category: Inorganic Chemicals / Basic Chemical Raw Materials / Leavening Agents / Stabilizers & Coagulants.
Packaging is agreed per order, from lab-scale packs to bulk, and confirmed with each order rather than fixed on the page. A Certificate of Analysis (COA) ships with every batch and MSDS is available; where the end use carries a regulatory limit (food contact, pharmaceutical or cosmetic), state the standard at enquiry and the grade is set against it.
Independent reference data for Aluminium potassium sulfate dodecahydrate (CAS 7784-24-9), compiled from public chemistry databases.
| CAS Number | 7784-24-9 |
|---|---|
| PubChem CID | 62667 |
| Molecular Formula | AlH24KO20S2 |
| Molecular Weight | 473.98 g/mol |
| IUPAC Name | aluminum;potassium;disulfate;dodecahydrate |
| InChIKey | GNHOJBNSNUXZQA-UHFFFAOYSA-J |
| UNII (FDA) | 1L24V9R23S |
| Molecular Weight | 474.4 |
|---|---|
| Hydrogen Bond Donor Count | 12 |
| Hydrogen Bond Acceptor Count | 20 |
| Rotatable Bond Count | 0 |
| Exact Mass | 473.9754804 |
| Monoisotopic Mass | 473.9754804 |
| Topological Polar Surface Area | 189 |
| Heavy Atom Count | 24 |
| Melting Point | 92.5 °C |
|---|---|
| Density | 1.757 @25 °C |
Aluminum potassium sulfate dodecahydrate; aluminum;potassium;disulfate;dodecahydrate; ALUMINUM POTASSIUM SULFATE DODECAHYDRATE [MI]; RefChem:556689; 616-521-7; 7784-24-9; Aluminium potassium sulfate dodecahydrate; Potassium alum dodecahydrate; Potash alum dodecahydrate; Aluminum potassium disulfate dodecahydrate; Alum, potassium, dodecahydrate; Potassium aluminum sulfate dodecahydrate; Alum, potassium [USP]; Potassium aluminum disulfate dodecahydrate; UNII-1L24V9R23S; ALUMINUM POTASSIUM SULFATE, DODECAHYDRATE
| GHS notifications | 100% (43 / 43) |
|---|
| GHS notifications | 100% (43 / 43) |
|---|
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.