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Aluminum sulfate

  • Aluminum sulfate
  • Aluminum sulfate
  • Aluminum sulfate

Aluminum sulfate

CAS No.: 10043-01-3
Molecular Formula: Al2O12S3
Molecular Weight: 342.15
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product description

Aluminum Sulfate is a white or off-white crystalline solid, highly soluble in water with acidic solution. It is an efficient inorganic flocculant widely used in water treatment, paper making, textile dyeing and tanning.


Chemical Properties

PropertyValue
Melting Point770 °C (dec.) (lit.)
Boiling Point759.71°C (estimate)
Density2.71 g/mL at 25 °C (lit.)
Vapor Pressure0-0.001Pa at 20-25°C
SolubilityEasily soluble in cold water, easily soluble in hot water, practically insoluble in ethanol (96%).
Acidity Coefficient (pKa)3.6 [at 20 °C]
FormPowder and/or lumps
ColorWhite
Specific Gravity2.71
OdorOdorless
Water Solubilitysoluble
SensitivityHygroscopic
Merck14,366
Dielectric Constant2.6 (Ambient)
Exposure LimitNIOSH: TWA 2 mg/m³
Cosmetic Ingredient FunctionAntiperspirant, Astringent, Deodorant
InChI1S/2Al.3H2O4S/c;3*1-5(2,3)4/h;;3*(H2,1,2,3,4)/q2*+3;;;;/p-6
InChIKeyDIZPMCHEQGEION-UHFFFAOYSA-H
SMILES[Al+3].[Al+3].[O-]S(=O)(=O)[O-].[O-]S(=O)(=O)[O-].[O-]S(=O)(=O)[O-]
LogP-5.08--0.12 at 20°C
CAS Database10043-01-3 (CAS DataBase Reference)
EPA Chemical Substances InformationAluminum sulfate (10043-01-3)


Safety Information

PropertyValue
Hazard symbolsXi, N
Hazard class codes37/38-41-51/53-36/37/38
Safety descriptions26-39-61-37/39-29
UN dangerous goods numberUN 1760 / 3077
WGK Germany1
RTECS numberBD1700000
TSCATSCA listed
HS code28332200
Storage class8B - Non-combustible, corrosive substances
Hazard class (category)Serious eye damage, Category 1
Corrosive to metals, Category 1
Hazardous substances data10043-01-3 (Hazardous Substances Data)
ToxicityGuinea pig, LD50, unreported: 490 mg/kg (Gigiena i Sanitariya. For English translation, see HYSAA. Vol. 43(4), p. 12, 1978)
Product Usage

Aluminum sulfate is a water-soluble inorganic compound with the chemical formula Al₂(SO₄)₃, appearing as white crystals or powder. It has a wide range of applications and low cost. Its core application is in the water treatment field as an efficient flocculant. The aluminum hydroxide colloid generated by hydrolysis can adsorb suspended solids, colloids and impurities in water, realizing the purification of drinking water, municipal sewage and industrial wastewater. It can also be used for water phosphorus removal to improve effluent quality. In the papermaking industry, as a precipitant and sizing agent, it can enhance the water resistance and strength of paper and reduce pulp loss. In addition, it can be used for soil improvement to adjust the pH value of alkaline soil; as a mordant in textile printing and dyeing to help dyes adhere; it is also an important component of foam fire extinguishers, and an auxiliary raw material in fields such as cosmetics and leather processing, with both practicality and economy.


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Delivery Time

Inventory 2-3 working days New manufacturing 7-10 working days

Mode of Transportation
1. By Air, fast but expensive.
2. By Sea, usual and economy.
3. By Train, suit for middle Asia countries.
4. By Express, suit for small package.
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FAQ

Q1: Are Your Products Compliant With International Standards?

A1: Yes, our company holds a number of internationally recognized core certifications. All production and operation activities strictly follow international environmental, safety and quality standards, and each batch of products is accompanied by a compliance test report to meet the chemical industry requirements in different regions around the world.


Q2: Do You Provide Customized Product Services?
A2: Yes, we have a professional R&D team and refined production capacity. We can customize chemical products of different specifications and performances according to customers' specific needs, and provide full-process technical support to meet the personalized application needs of downstream industries.


Q3: What Is The Approximate Delivery Cycle Of The Products?
A3: The delivery cycle varies according to product type, order quantity and destination. We have a complete global supply chain system to ensure fast and safe delivery of goods. For specific cycle, you can consult our sales team for detailed information.


Q4: How To Obtain Product Samples?
A4: You can contact our customer service or sales team to specify the specific model and specification of the required samples. We will provide free samples according to the actual situation, and the sample express fee can be negotiated.

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