101042
Aluminium potassium sulfate dodecahydrate
suitable for use as excipient EMPROVE® exp Ph Eur,BP,USP
For general questions please contact our Customer Service:
Merck KGaA
Frankfurter Str. 250
64293 Darmstadt
Germany
Phone: +49 6151 72-0
Fax: +49 6151 72 2000
04 June 2012
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| Product information | |||
|---|---|---|---|
| Grade | Ph Eur,BP,USP | ||
| Synonyms | Potassium aluminium sulfate, Alum potassium, Potassium alum | ||
| Hill Formula | AlKO8S2 * 12 H2O | ||
| Chemical formula | KAl(SO4)2 * 12 H2O | ||
| HS Code | 2833 30 00 | ||
| EC number | 233-141-3 | ||
| Molar mass | 474.39 g/mol | ||
| CAS number | 7784-24-9 | ||
| Chemical and physical data | |||
|---|---|---|---|
| Solubility | 139 g/l (20 °C) | ||
| Melting point | 92.5 °C | ||
| Molar mass | 474.39 g/mol | ||
| Density | 1.75 g/cm3 (20 °C) | ||
| Bulk density | 900 kg/m3 | ||
| pH value | 3.0 - 3.5 (100 g/l, H2O, 20 °C) | ||
| Safety information | |||
|---|---|---|---|
| RTECS | WS5690000 | ||
| Storage class | 10 - 13 Other liquids and solids | ||
| WGK | WGK 1 slightly water endangering | ||
| Disposal |
14 Inorganic salts: Container I. Neutral solutions of the these salts: Container D. Before placing in Container D, check the pH with pH-Universal indicator strips (Item No. 109535). |
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