A8324632
Aluminum ammonium sulfate , GR , 7784-26-1
Synonym(s):
Alum ammonium, Ammonium alum;Aluminium ammonium sulfate dodecahydrate;Aluminum ammonium sulfate dodecahydrate;Ammonium alum
CAS NO.：7784-26-1
Empirical Formula: AlH28NO20S2
Molecular Weight: 453.33
MDL number: MFCD00149958
EINECS: 616-522-2
| Pack Size | Price | Stock | Quantity |
| 500G | RMB28.00 | In Stock |
|
| others | Enquire |
Update time: 2022-07-08
PRODUCT Properties
| Melting point: | 93.5 °C(lit.) |
| Boiling point: | 200 °C |
| Density | 1.64 |
| storage temp. | Store at +5°C to +30°C. |
| solubility | H2O: 0.1 M at 20 °C, clear, colorless |
| form | Solid |
| Specific Gravity | 1.64 |
| color | White |
| PH | 2.6 (100g/l, H2O, 25℃) |
| Odor | Odorless |
| PH Range | 2.6 |
| Water Solubility | Soluble in water and glycerol. Insoluble in alcohol. |
| Merck | 14,327 |
| Exposure limits | NIOSH: TWA 2 mg/m3 |
| Stability: | Stable. |
| LogP | -1.031 (est) |
| CAS DataBase Reference | 7784-26-1(CAS DataBase Reference) |
| EPA Substance Registry System | Aluminum ammonium disulfate dodecahydrate (7784-26-1) |
Description and Uses
Ammonium aluminum sulfate dodecahydrate may be used in the preparation of alum (Al(OH)3) gel and monodispersed yttrium aluminum garnet (YAG) powder.
Safety
| Symbol(GHS) |  GHS07 |
| Signal word | Warning |
| Hazard statements | H315-H319-H335 |
| Precautionary statements | P261-P280a-P304+P340-P305+P351+P338-P405-P501a |
| Hazard Codes | Xi,C |
| Risk Statements | 36/37/38-34 |
| Safety Statements | 26-36-45-36/37/39-27 |
| WGK Germany | 3 |
| RTECS | WS5640010 |
| TSCA | Yes |
| HS Code | 2833 30 00 |
