Aluminum Sulfate CAS#10043-01-3
High Purity Crystalline Form – Colorless or white crystals with odorless and slightly sweet taste; industrial grade may appear yellow-green due to trace iron.
Excellent Thermal Stability – Stable in air, loses crystal water at 250 °C and decomposes into aluminum oxide and sulfur trioxide above 700 °C.
Reliable Chemical Performance – Maintains consistent properties under normal storage and handling conditions.
Wide Industrial Applicability – Suitable for water treatment, paper making, dyeing, and other chemical processing applications.
Products Description of Aluminum Sulfate CAS#10043-01-3
Aluminum sulfate appears as colorless or white crystals, odorless with a slightly sweet taste. Industrial-grade material may show a yellow-green tint and a sour taste due to trace iron impurities. It is stable in air, loses crystal water when heated to about 250 °C, and decomposes into aluminum oxide, sulfur trioxide, and water vapor at temperatures above 700 °C.
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) |
| 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 |
| 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. |
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 |
| 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 widely used as a coagulant for removing arsenate and other impurities from water and as a component of Nuclear Fast Red solution for nuclear counterstaining in histology and cytology. It is also applied as a catalyst in the decarbonylation of lactic acid to produce acetaldehyde. In addition, aluminum sulfate can be combined with graphene hydrogel to form porous composite adsorbents for efficient fluoride removal from water.
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