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CAS NO.10043-01-3
1(10-100)Metric Ton1(10-100)Metric Ton
Tech Data Relevant
1.Certificate Of Analysis (COA)
2..Material Safety Data Sheet (MSDS)
3.Technical Data Sheet(TDS)
4.Route of synthesis (ROS)
5.Nuclear Magnetic Resonance(NMR)
6.Method of Analysis(MOA)
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| Product Name: | Aluminium sulfate |
| Synonyms: | alluminiumsulphate;alum(non-specificname);aluminiumsulfate(non-specificname);aluminumalum;aluminumsulfate(2:3);aluminumsulfate(al2(so4)3);aluminumsulfate,anhydrous;aluminumsulfate,solid |
| CAS: | 10043-01-3 |
| MF: | Al2O12S3 |
| MW: | 342.15 |
| EINECS: | 233-135-0 |
| Product Categories: | Industrial/Fine Chemicals;Inorganics;Aluminum Salts;Metal and Ceramic Science;Salts |
| Mol File: | 10043-01-3.mol |
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| Aluminium sulfate Chemical Properties |
| mp | 770 °C (dec.)(lit.) |
| density | 2.71 g/mL at 25 °C(lit.) |
| Water Solubility | soluble |
| Merck | 14,366 |
| CAS DataBase Reference | 10043-01-3(CAS DataBase Reference) |
| EPA Substance Registry System | Sulfuric acid, aluminum salt (3:2)(10043-01-3) |
| Safety Information |
| Hazard Codes | Xi,N |
| Risk Statements | 37/38-41-51/53-36/37/38 |
| Safety Statements | 26-39-61-37/39-29 |
| RIDADR | UN 1760/3077 |
| WGK Germany | 1 |
| RTECS | BD1700000 |
| Hazardous Substances Data | 10043-01-3(Hazardous Substances Data) |
| MSDS Information |
| Provider | Language |
|---|---|
| Aluminium sulfate | English |
| SigmaAldrich | English |
| ACROS | English |
| ALFA | English |
| Aluminium sulfate Usage And Synthesis |
| Common aluminum salt |
Aluminum sulfate is a one of common aluminum salt, prone to hydrolyze, aqueous solution is acid. Added to the solution of soluble carbonates or sulfides will lead to complete hydrolysis: （1）2Al3++3CO2-3+2H2O=2Al(OH)3↓+3CO2↑ （2）2Al3++3S2-+3H2O=2Al(OH)3↓+3H2S↑ Produce a white flocculent precipitate aluminum hydroxide sediment, when heated it expands violently, becomes spongy substance. Calcined to red heat, then it will be decomposed into sulfur trioxide and alumina. Aluminum sulfate solution and potassium sulfate solution were mixed, to crystallize, to obtain a new kind of salt called potassium aluminum sulfate K2SO4 · Al2 (SO4) 3 · 24H2O, this salt is called complex salt, also known as aluminum potassium alum, commonly known as alum. From the composition point of view, it is formed by the adduct of two simple salt, is not a simple mixture of the two salt, but the compound of the same crystal structure, certain composition. The difference between complex salt and complexe is that in the solid state or solution complex salt presents simple ions, without complex ions. Aluminum sulfate and other soluble sulfate, can also form another double salt, the formula of which is M2ⅠSO4MⅡSO4 · 6H2O and MⅠ2SO4M2Ⅲ (SO4) 3 · 24H2O. Where MⅠ typically is NH + 4, Na +, K +, Rb +, Cs +, Tl +.MⅡ1 is Fe2 +, Co2 +, Ni2 +, Zn2 +, Cu2 +, Hg 2+; MuⅢ1 is Fe 3+, Cr3 +, Al3 +, etc. This type of complex salt, collectively known as alum, for example: the molar salt (NH4) 2SO4 · FeSO4 · 6H2O, magnesium potassium sulfate K2SO4 · MgSO4 · 6H2O, chromium potassium sulfate K2SO4 · Cr2 (SO4) 3 · 24H2O, sodium alum Na2SO4 · Al2 ( SO4) 3 · 24H2O, alum, ammonium (NH4) 2SO4 · Al (SO4) 3 · 24H2O, etc. These classes of alum, solubility in water is much smaller than their corresponding sulfates composition, and thus the crystallization from solution, it is easy to get a more complete crystal particles, easily purified. This step of preparing alum is often used for purification of aluminum sulfate or preparation of relatively pure aluminum compound. The class of Alum in the industry has a wide range of uses, alum can be used to clean drinking water, also used for tanning leather, printing and dyeing, papermaking and other industries. Aluminum, aluminum oxide or aluminum hydroxide with sulfuric acid can be prepared for aluminum sulfate. The above information is edited by the chemicalbook of Yan Yanyong. |
| Physical and Chemical Properties |
Colorless or white crystals. Odorless, slightly sweet |