Aluminum potassium sulfate dodecahydrate

Basic Information

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CAS Number

7784-24-9

Molecular Formula

AlH7KO5S

Molecular Weight

185.2 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Carboxylic Acids

Water Treatment Chemicals Coagulants and Flocculants Inorganic Coagulants

Basic Physical Properties

Melting Point

92 °C

Boiling Point

330 °C at 760 mmHg

Density

1.757 g/mL at 25 °C

Water Solubility

140 g/L (20 ºC)

Solubility

H2O: soluble0.5M, clear, colorless

SMILES

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O.O.O.O.O.O.O.O.O.O.O.O.[O-]S(=O)(=O)[O-].[O-]S(=O)(=O)[O-].[Al+3].[K+]

InChI

InChI=1S/Al.K.H2O4S.H2O.3H/c;;1-5(2,3)4;;;;/h;;(H2,1,2,3,4);1H2;;;

InChIKey

OVUGYAXLUGGDAO-UHFFFAOYSA-N

LogP

-3.0422000000000002

Topological Polar Surface Area

106.1 Å²

Hydrogen Bond Donor/Acceptor

4 / 5

Complexity

62.2

Safety Information

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Stability

Stable. Incompatible with steel, aluminium, copper, zinc, bases, strong oxidizing agents.

Sensitiveness

Sensitive to humidity

Synonyms & References

English

Aluminum potassium disulfate dodecahydrate
Aluminum potassium sulfate dodecchydrate
Aluminum potassium sulfate dodecahydrate
Aluminium Potassium Sulfate
Aluminium Potassium Sulfate 12-Water
Aluminium potassium sulfate dodecahydrate
Potash Alum
12 water potassium sulfate
ACS
ALUM
ALUM POTASSIUM
ALUM SOLUTION
Aluminum Potassium s
kalinite
POTASSIUM ALUM
PotassiuM aluMinuM sulfate dodecahydrate
POTASSIUM AMMONIUM SULFATE
POTASSIUMALUM,GRANULAR,USP
Potassium alum dodecahydrate
Potash alum dodecahydrate
Alum, potassium, dodecahydrate
Potassium aluminum disulfate dodecahydrate
Alum, potassium [USP]
ALUMINUM POTASSIUM SULFATE, DODECAHYDRATE
1L24V9R23S
Aluminum potassium sulfate (1:1:2) dodecahydrate
Aluminum potassium sulfate (AlK(
ALUM [WHO-DD]
D01724
ALUM, POTASSIUM
ALUM,POTASSIUM [VANDF]

MDL Number

MFCD00149143

Customs Code

28332990

FAQ

What is Aluminum potassium sulfate dodecahydrate (CAS: 7784-24-9)?

Aluminum potassium sulfate dodecahydrate, with the CAS number 7784-24-9, is a white crystalline compound commonly known as alum. Its chemical formula is KAl(SO4)2·12H2O. It is highly soluble in water, exhibits strong hygroscopic properties, and is often used in various industrial and chemical applications due to its ability to act as a coagulant and pH regulator.

What are the main uses of Aluminum potassium sulfate dodecahydrate (CAS: 7784-24-9)?

Aluminum potassium sulfate dodecahydrate (CAS: 7784-24-9) is widely used in water treatment as a coagulant to clarify liquids. It also finds applications in the pharmaceutical industry for drug formulation, in the production of paper and textiles as a mordant, and in food processing as a preservative and acidity regulator. Additionally, it is utilized in research for laboratory reagents and in the manufacturing of other aluminum compounds.

Is Aluminum potassium sulfate dodecahydrate (CAS: 7784-24-9) safe?

Aluminum potassium sulfate dodecahydrate (CAS: 7784-24-9) is generally considered safe when used properly. However, it may cause skin and eye irritation if handled without protective gear. It is non-toxic in small amounts but should be kept away from children and pets. Safety standards recommend using appropriate ventilation and following OSHA guidelines to minimize exposure during handling.

How should Aluminum potassium sulfate dodecahydrate (CAS: 7784-24-9) be stored?

Aluminum potassium sulfate dodecahydrate (CAS: 7784-24-9) should be stored in a cool, dry, and well-ventilated place, away from moisture and direct sunlight. It is best kept in a sealed container to maintain its stability and prevent hygroscopic degradation. Storage conditions should be controlled to ensure it remains in a dry environment to avoid clumping or decomposition.