A0626912
Aluminum Potassium sulfate dodecchydrate , AR,99.5% , 7784-24-9
Synonym(s):
Alum;Aluminium potassium sulfate dodecahydrate;Potassium alum;Potassium aluminium sulfate, Alum potassium, Potassium alum;Potassium aluminum sulfate dodecahydrate
CAS NO.：7784-24-9
Empirical Formula: AlH8KO5S
Molecular Weight: 186.2
MDL number: MFCD00149143
EINECS: 616-521-7
| Pack Size | Price | Stock | Quantity |
| 500G | RMB47.20 | In Stock |
|
| 2.5KG | RMB199.20 | In Stock |
|
| others | Enquire |
Update time: 2022-07-08
PRODUCT Properties
| Melting point: | 92 °C(lit.) |
| Boiling point: | 200°C |
| Density | 1.757 g/mL at 25 °C(lit.) |
| storage temp. | Store at +5°C to +30°C. |
| solubility | H2O: soluble0.5M, clear, colorless |
| form | Solid |
| Specific Gravity | 1.757 |
| color | White |
| Odor | Odorless |
| PH Range | 3.3 |
| PH | 3.0-3.5 (25℃, 50mg/mL in H2O) |
| Water Solubility | 140 G/L (20 ºC) |
| Merck | 14,360 |
| Stability: | Stable. Incompatible with steel, aluminium, copper, zinc, bases, strong oxidizing agents. |
| LogP | -1.031 (est) |
| CAS DataBase Reference | 7784-24-9(CAS DataBase Reference) |
| NIST Chemistry Reference | potassium aluminum sulfate dodecahydrate(7784-24-9) |
Description and Uses
Buffer; floccculating reagent.
Safety
| Symbol(GHS) |  GHS07 |
| Signal word | Warning |
| Hazard statements | H315-H319-H335 |
| Precautionary statements | P261-P280-P271 |
| Hazard Codes | Xn,Xi |
| Risk Statements | 36/38-22-36/37/38-21/22 |
| Safety Statements | 22-24/25-37/39-26-36-20-13-2 |
| WGK Germany | 3 |
| RTECS | WS5690000 |
| TSCA | Yes |
| HS Code | 28332990 |
