Aluminum sulfate hydrate ACS Reagent 98%
98%
Synonym: Aluminum sulfate octadecahydrate
Linear Formula:
Al2(SO4)3 · 18H2O
Molecular Weight: 666.43g/mol
CAS Number: 7784-31-8
Properties
| Assay Purity | ?98% |
| B pt. | 330℃ at 760 mmHg |
| M pt. | 86℃ |
| Density | 1.69 g/cm3 |
Safety Information
| Hazard Statement(s) | H290 - H318 |
| Precautionary Statement | P234 - P280 - P305 + P351 + P338 + P310 - P390 |
| Symbol |
|
| Signal word | Danger |
| Storage Temp. | Store at Room Temperature. |
| Storage Class | 8 |
| Packaging | Poly Bottle |
| UN Number | 3260 |
Description
Recommended products
Amberlite Ira-402(Cl) Ion Exchange Resin
Application
Aluminium sulfate is a chemical compound with the formula Al2(SO4)3. It is soluble in water and is mainly used as a flocculating agent in the purification of drinking water and waste water treatment plants and also in paper manufacturing.
Purpose
For R&D use onlynot for drug household or other uses.
General Description
Aluminium sulfate is sometimes referred to as a type of alum. Alums are double sulfate salts with the formula AM(SO 4) 212H 2O where A is a monovalent cation such as potassium or ammonium and M is a trivalent metal ion such as aluminium. The anhydrous form occurs naturally as a rare mineral millosevichite found e.g. in volcanic environments and on burning coal-mining waste dumps. Aluminium sulfate is rarely if ever encountered as the anhydrous salt. It forms a number of different hydrates of which the hexadecahydrate Al2(SO4)316H2O and octadecahydrate Al2(SO4)318H2O are the most common. The heptadecahydrate whose formula can be written as [Al(H2O)6]2(SO4)35H2O occurs naturally as the mineral alunogen.
Documents
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