Aluminum Sulfate CAS#10043-01-3
Pure and Stable: The product is typically colorless or white with no odor, ensuring a clean, neutral profile in various applications.
Heat-Resistant: It remains stable in the air and can withstand heating up to 250°C without losing its integrity, making it suitable for high-temperature processes.
Decomposition Resistance: When heated above 700°C, the product decomposes into aluminum oxide, sulfur trioxide, and water vapor, showing its high thermal stability under extreme conditions.
Versatile for Industrial Use: Though industrial variants may have a yellowish-green color and a sour taste due to impurities like iron, the product still maintains its usability across a range of industrial applications
Product Description of Aluminum Sulfate CAS# 10043-01-3
Aluminum sulfate typically appears as colorless or white crystals and is odorless with a faint candy-like taste. Industrial-grade aluminum sulfate may have a yellowish-green color and a sour taste due to the presence of impurities like iron. The compound is stable in air and loses its crystal water when heated to 250°C. Upon heating to temperatures above 700°C, it begins to decompose into aluminum oxide, sulfur trioxide, and water vapor.
Parameters
| Melting point | 770 °C (dec.) (lit.) |
| Boiling point | 759.71°C (estimate) |
| density | 2.71 g/mL at 25 °C (lit.) |
| vapor pressure | 0-0.001Pa at 20-25℃ |
| solubility | Soluble in cold water, freely soluble in hot water, practically insoluble in ethanol (96 per cent). |
| pka | 3.6[at 20 ℃] |
| form | Powder and/or Chunks |
| color | White |
| Specific Gravity | 2.71 |
| Odor | at 100.00?%. odorless |
| Water Solubility | soluble |
| Sensitive | Hygroscopic |
| Merck | 14,366 |
| Exposure limits | NIOSH: TWA 2 mg/m3 |
| Dielectric constant | 2.6（Ambient） |
| LogP | -5.08--0.12 at 20℃ |
| CAS DataBase Reference | 10043-01-3(CAS DataBase Reference) |
| EPA Substance Registry System | Aluminum sulfate (10043-01-3) |
| 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 |
| TSCA | Yes |
| HS Code | 28332200 |
| Hazardous Substances Data | 10043-01-3(Hazardous Substances Data) |
| Toxicity | guinea pig,LD50,unreported,490mg/kg (490mg/kg),Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 43(4), Pg. 12, 1978. |
Product Application of Aluminum Sulfate CAS# 10043-01-3
Aluminum sulfate is a key component in the Nuclear Fast Red solution, used for red nuclear counterstaining in histology and cytology protocols. It is also employed as a coagulant for the removal of arsenate from water.
In addition, aluminum sulfate serves as a catalyst in the conversion of lactic acid to acetaldehyde via decarbonylation. Furthermore, it can be utilized to form a porous composite adsorbent with graphene hydrogel, which is effective for fluoride removal from water.
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