ChemicalBook >> CAS DataBase List >>Aluminium ammonium sulfate dodecahydrate
Aluminium ammonium sulfate dodecahydrate
- CAS No.
- 7784-26-1
- Chemical Name:
- Aluminium ammonium sulfate dodecahydrate
- Synonyms
- ALUM;AMMONIUM A;ALUM AMMONIA;AMMONIUM ALUM;ALUM AMMONIUM;AINH4(SO4)2·12H2O;Aluminum ammonium su;AMMONIUM ALUM POWDER USP;AMMONIUM ALUMINIUM SULFATE;AluminiumAmmoniumSulphateAr
- CBNumber:
- CB6481463
- Molecular Formula:
- AlH28NO20S2
- Molecular Weight:
- 453.33
- MDL Number:
- MFCD00149958
- MOL File:
- 7784-26-1.mol
- MSDS File:
- SDS
Last updated:2025-01-27 09:38:02
| Melting point | 93.5 °C(lit.) |
|---|---|
| Boiling point | 200 °C |
| Density | 1.64 |
| bulk density | 700-800kg/m3 |
| 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) |
| Substances Added to Food (formerly EAFUS) | ALUMINUM AMMONIUM SULFATE |
| SCOGS (Select Committee on GRAS Substances) | Aluminum ammonium sulfate |
| FDA 21 CFR | 310.545 |
| EWG's Food Scores | 1 |
| FDA UNII | 5C36DRL9ZN |
| EPA Substance Registry System | Aluminum ammonium disulfate dodecahydrate (7784-26-1) |
| UNSPSC Code | 12352302 |
| NACRES | NA.55 |
SAFETY
Risk and Safety Statements
| 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 | |||||||||
| NFPA 704 |
|
Aluminium ammonium sulfate dodecahydrate price More Price(16)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich | 1.01031 | Aluminium ammonium sulfate dodecahydrate for analysis EMSURE? ACS | 7784-26-1 | 500g | $306 | 2024-03-01 | Buy |
| Alfa Aesar | 013802 | Aluminum ammonium sulfate dodecahydrate, Reagent Grade | 7784-26-1 | 100g | $34.3 | 2023-06-20 | Buy |
| Alfa Aesar | 013802 | Aluminum ammonium sulfate dodecahydrate, Reagent Grade | 7784-26-1 | 2kg | $227 | 2023-06-20 | Buy |
| Sigma-Aldrich | A2140 | Ammonium aluminum sulfate dodecahydrate ReagentPlus , ≥99% (titration) | 7784-26-1 | 500g | $193 | 2024-03-01 | Buy |
| Sigma-Aldrich | A2140 | Ammonium aluminum sulfate dodecahydrate ReagentPlus , ≥99% (titration) | 7784-26-1 | 1kg | $276 | 2024-03-01 | Buy |
Aluminium ammonium sulfate dodecahydrate Chemical Properties,Uses,Production
Chemical Properties
Colorless transparent cube or white powder. No smell, astringent taste. Slightly soluble in water (15g/100ml at 20℃), easily soluble in hot water. The water solution is acidic. Soluble in dilute acid and glycerol, insoluble in alcohol. Loses 10 molecules of water when heated to 120℃, becomes anhydrous alum when heated to 200℃, and decomposes at 280℃.
Uses
Ammonium aluminum sulfate dodecahydrate may be used in the preparation of alum (Al(OH)3) gel and monodispersed yttrium aluminum garnet (YAG) powder.
Definition
ChEBI: Ammonium alum is an inorganic sulfate salt.
Preparation
Aluminium ammonium sulfate dodecahydrate is produced through the reaction of sulphuric acid with aluminium hydroxide. Ammonium sulphate is added to the mixture and allowed to react. The mixture is then cooled and crystallized, followed by centrifugal separation. The resulting product is dried to obtain the final aluminium ammonium sulfate.
General Description
Ammonium aluminum sulfate dodecahydrate, commonly called as ammonium alum, is widely used in the water purification, cosmetic formulation, fertilizers and food preservation. Its thermal decomposition has been studied. It has high latent heat of 251kJkg-1 with a potential use in the heating system. Its utility as a flame-retardant for cotton fabric has been studied.
Purification Methods
Crystallise it from hot H2O and cool in ice. When the melt is heated, it loses NH3 and H2SO4, and gives pure alumina at red heat. Solubility (%) in H2O is 3.9 (0o), 15.0 (20o) and 135 (100o).
Aluminium ammonium sulfate dodecahydrate Preparation Products And Raw materials
Raw materials
Preparation Products
Global( 226)Suppliers
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| LY Global chemicals co.,ltd . | +8618939937369 | info@lychems.cn | China | 969 | 58 |
| Hebei Zhuanglai Chemical Trading Co Ltd | +86-16264648883 +86-16264648883 | niki@zlchemi.com | China | 3712 | 58 |
| Henan Tianfu Chemical Co.,Ltd. | +86-0371-55170693 +86-19937530512 | info@tianfuchem.com | China | 21632 | 55 |
| career henan chemical co | +86-0371-86658258 +8613203830695 | sales@coreychem.com | China | 29871 | 58 |
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| Chongqing Chemdad Co., Ltd | +86-023-6139-8061 +86-86-13650506873 | sales@chemdad.com | China | 39894 | 58 |
| Neostar United (Changzhou) Industrial Co., Ltd. | +86-0519-85551759 +8613506123987 | marketing1@neostarunited.com | China | 8840 | 58 |
| Hefei TNJ Chemical Industry Co.,Ltd. | +86-0551-65418671 +8618949823763 | sales@tnjchem.com | China | 34563 | 58 |
| Baoji Guokang Healthchem co.,ltd | +8615604608665 15604608665 | dominicguo@gk-bio.com | CHINA | 9414 | 58 |
View Lastest Price from Aluminium ammonium sulfate dodecahydrate manufacturers
| Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
|---|---|---|---|---|---|---|---|---|
 |
2025-02-17 | Aluminium ammonium sulfate dodecahydrate
7784-26-1
|
US $79.00-38.00 / kg | 1kg | 99% | 20ton | Hebei Zhuanglai Chemical Trading Co Ltd | |
 |
2024-12-12 | AMMONIUM ALUM
7784-26-1
|
US $120.00 / ton | 5ton | 99% | 3000tons | Hebei Dangtong Import and export Co LTD | |
 |
2023-12-04 | Aluminium ammonium sulfate dodecahydrate
7784-26-1
|
US $0.00-0.00 / kg | 1kg | 99% | 1000 KG | LY Global chemicals co.,ltd . |
-
- Aluminium ammonium sulfate dodecahydrate
7784-26-1
- US $79.00-38.00 / kg
- 99%
- Hebei Zhuanglai Chemical Trading Co Ltd
-
- AMMONIUM ALUM
7784-26-1
- US $120.00 / ton
- 99%
- Hebei Dangtong Import and export Co LTD
-
- Aluminium ammonium sulfate dodecahydrate
7784-26-1
- US $0.00-0.00 / kg
- 99%
- LY Global chemicals co.,ltd .
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