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| CAS No.: | 7784-31-8 |
|---|---|
| Name: | Sulfuric acid, aluminumsalt (3:2), octadecahydrate (8CI,9CI) |
| Molecular Structure: | |
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|
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| Formula: | Al2.(SO4)3.18(H2O) |
| Molecular Weight: | 447.32 |
| Synonyms: | Aluminumsesquisulfate octadecahydrate;Aluminum sulfate (Al2(SO4)3) hydrate (1:18);Aluminumsulfate (Al2(SO4)3) octadecahydrate;Aluminum sulfate octadecahydrate;Aluminumsulfate octadecahydrate (Al2(SO4)3.18H2O);Aluminum trisulfate octadecahydrate;Cake alum;Dialuminum sulfate octadecahydrate;Dialuminum trisulfateoctadecahydrate;Patent alum; |
| EINECS: | 233-135-0 |
| Density: | 1.69 g/cm3 |
| Melting Point: | 86 °C |
| Boiling Point: | 330oC at 760 mmHg |
| Flash Point: | N/A |
| Solubility: | Soluble in water |
| Appearance: | white crystalline chunks |
| Hazard Symbols: |
 Xi,  Xn,  N
|
| Risk Codes: | 51/53-41-36/37/38-22 |
| Safety: | 61-37/39-29-26-39 |
| Transport Information: | N/A |
| PSA: | 432.06000 |
| LogP: | -1.25400 |
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The Aluminum sulfate octadecahydrate, with the CAS registry number 7784-31-8 and EINECS registry number 233-135-0, belongs to the following product categories: ACS GradeChemical Synthesis; Aluminum; Catalysis and Inorganic Chemistry; Essential Chemicals; Routine Reagents. It is a kind of white crystalline powder and chunks, and can soluble in water. The molecular formula of this chemical is Al2.(SO4)3.18(H2O).
The physical properties of Aluminum sulfate octadecahydrate are as following: (1)#H bond acceptors: 22; (2)#H bond donors: 38; (3)#Freely Rotating Bonds: 0; (4)Polar Surface Area: 88.64 Å2.
Preparation of Aluminum sulfate octadecahydrate: It can be prepared by aluminum hydroxide and sulfuric acid. The aim product can be obtained via settlement, concentration, cooling solidification, and screen separation of reaction liquid.
2AlO3 + 3H2SO4 → Al2(SO4)3 + 3H2O
Uses of Aluminum sulfate octadecahydrate: It mainly used for the manufacture of titanium dioxide and painting, glue stuff, catalyst carrier. It is also used as a dye reagent, white leather tanning agents and food additives.
You should be cautious while dealing with this chemical. It has risk of serious damage to eyes. Therefore, you had better take the following instructions: Wear suitable eye/face protection, and in case of contacting with eyes, rinse immediately with plenty of water and seek medical advice.
You can still convert the following datas into molecular structure:
(1)SMILES: O.O.O.O.[Al+3].O.O.O.O.O.O.O.O.O.O.O.O.O.O.[O-]S([O-])(=O)=O
(2)InChI: InChI=1/Al.H2O4S.18H2O/c;1-5(2,3)4;;;;;;;;;;;;;;;;;;/h;(H2,1,2,3,4);18*1H2/q+3;;;;;;;;;;;;;;;;;;;/p-2
(3)InChIKey: OXKPBFGDKZYZSI-NUQVWONBAK
The toxicity data is as follows:
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| mouse | LD50 | intraperitoneal | 997mg/kg (997mg/kg) | Pharmacology and Toxicology Vol. 60, Pg. 280, 1987. | |
| mouse | LD50 | oral | > 9gm/kg (9000mg/kg) | Pharmacology and Toxicology Vol. 60, Pg. 280, 1987. | |
| rat | LD50 | intraperitoneal | 61mg/kg (61mg/kg) | Pharmacology and Toxicology Vol. 60, Pg. 280, 1987. | |
| rat | LD50 | oral | > 9gm/kg (9000mg/kg) | Pharmacology and Toxicology Vol. 60, Pg. 280, 1987. |
