Aluminium sulphate
CAS No.: 10043-01-3;
EC No.: 233-135-0;
Chemical names:
Dialuminum trisulfate; Sulfuric acid, aluminum salt (3:2); Ácido sulfúrico, sal de aluminio (3:2); 三硫酸二アルミニウム; 硫酸アルミニウム
Aluminium sulfate hydrate
Molecular Formula: Al₂(SO₄)₃·xH₂O
CAS number: 17927-65-0
Chemical names: Sulfuric acid, aluminum salt (3:2), hydrate; Dialuminium trisulfate hydrate; 액체 황산알루미늄 (LIQUID ALUMINIUM SULFATE);
Hydrated aluminum sulfate is a white flaky or powdery substance. It is highly soluble in water, almost insoluble in ethanol, and its solution is acidic. Upon prolonged boiling, insoluble basic salt precipitates may form.
Hydrated aluminum sulfate containing low-valence iron salts often has a light green color; low-valence iron salts are prone to oxidation, which can also cause the surface of hydrated aluminum sulfate to turn yellow.
We provide high-quality iron-free hydrated aluminum sulfate products with a 17% Aluminum oxide (Al₂O₃).
Main Application Fields
Chemical industry and water treatment, including use as a flocculant and water purifying agent; in the paper industry as a sizing agent; and in building materials as an accelerating agent.
For applications such as papermaking, it is recommended to use high-quality white iron-free aluminum sulfate. For municipal water treatment and similar fields, there are limits on the content of heavy metal ions in the product.
Applications
- In the paper industry: Used as a precipitant for rosin glue, wax emulsion, and other sizing agents to enhance the water resistance and anti-permeability of paper. It is also used in the flocculation treatment of papermaking wastewater to reduce COD and suspended solids.
- In the water treatment industry: Hydrated aluminum sulfate is a commonly used inorganic flocculant. It generates aluminum hydroxide colloids through hydrolysis to adsorb suspended solids in water, and is widely used in drinking water, industrial wastewater, and sewage treatment.
- In wastewater treatment: Used as a raw material for deep defluorination agents and phosphorus removal chemicals.
- In the dyeing and printing industry: Used as a mordant and an anti-bleeding agent for printing.
- In the fats and oils industry: Used as a clarifying agent.
- In the petroleum industry: Used as a decolorizing and deodorizing agent.
- In the wood industry: Used as a preservative.
- In firefighting: Often combined with baking soda and foaming agents to make foam-type fire extinguishing agents.
- In the dye industry: Used as a mordant and fixing agent.
- In medicine or cosmetics: Used as an astringent (e.g., antiperspirant).
- In the construction industry: Used as a concrete accelerating agent.
- As a raw material for aluminate: Used in the preparation of alumina ceramics and refractory bricks.
Packaging: Polyethylene plastic woven bags. Each bag contains 50 kg, available in ton bags or customized packaging according to customer requirements.
Storage and Transportation: Store in a cool, shaded, dry, and ventilated warehouse. Keep away from moisture. Do not store or transport together with toxic substances or alkaline materials.
Aluminum Sulfate for Drinking Water
Standard in China: GB 31060-2014
| Item | Standard |
|---|---|
| Aluminum oxide (Al₂O₃) [%] | ≥ 15.6 |
| Iron (Fe) [%] | ≤ 0.20 |
| Water-insoluble matter [%] | ≤ 0.10 |
| pH value (1% aqueous solution) | ≥ 3.0 |
| Arsenic (As) [%] | ≤ 0.0002 |
| Lead (Pb) [%] | ≤ 0.0006 |
| Cadmium (Cd) [%] | ≤ 0.0002 |
| Mercury (Hg) [%] | ≤ 0.00002 |
| Chromium (Cr) [%] | ≤ 0.0005 |
Iron-Free Industrial Aluminum Sulfate
Standard in China: HG/T 2225-2018
| Item | Standand |
|---|---|
| Aluminum oxide (Al₂O₃) [%] | ≥ 16.0 |
| Iron (Fe) [%] | ≤ 0.0050 |
| Water-insoluble matter [%] | ≤ 0.10 |
| pH (1% aqueous solution) | ≥ 3.0 |
Related Chemicals:
Sulphuric acid, aluminium salt;
Aluminum salt of sulfuric acid; 硫酸のアルミニウム塩;
CAS No. 10124-29-5;
EC No. 233-329-5;
Molecular Formula : Al2(SO4)3 · 18H2O
Aluminium sulfate octadecahydrate;
Sulfuric acid, aluminum salt (3:2), octadecahydrate
CAS No. 7784-31-8
Molecular Formula : Al2(SO4)3 · 16H2O
Aluminium sulfate hexadecahydrate;
Sulfuric acid, aluminium salt (3:2), hexadecahydrate
CAS No. 16828-11-8
Molecular Formula : Al2(SO4)3 · 14H2O
Aluminium sulfate tetradecahydrate;
Sulfuric acid, aluminum salt (3:2), tetradecahydrate
CAS No. 16828-12-9
Aluminum tris(hydrogen sulfate);
トリス（硫酸水素）アルミニウム
CAS RN: 24738-38-3
