Sulfato de aluminio y potasio

KAl(SO₄)₂

IUPAC: Potassium aluminium sulfate

CAS: 7784-24-9

Descripción general

Potash alum is a double salt used in water purification, pickling, and as an astringent. It has been used since antiquity.

Composición

Elemento Símbolo Átomos Masa atómica
Oxígeno O 8 15,9990
Aluminio Al 1 26,9820
Azufre S 2 32,0600
Potasio K 1 39,0980

Composición elemental

Usos

  • Water purification
  • Pickling agent
  • Aftershave astringent
  • Baking powder

Datos curiosos

  • Ancient Romans used alum to purify drinking water over 2,000 years ago

Estructura

SMILES

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+]

Propiedades

Tipo
salt
Estado
solid
Masa molar
258,21 g/mol
Densidad
1,7250 g/cm³
Punto de fusión
92,0 °C
Solubilidad
140 g/L at 20°C

Descriptores moleculares

Masa exacta
473,9755
TPSA
189,0 Ų
Donadores de enlace de hidrógeno
12
Aceptores de enlace de hidrógeno
20
Enlaces rotables
0
Átomos pesados
24
Complejidad
62,0

Frequently Asked Questions

What is Sulfato de aluminio y potasio?
Sulfato de aluminio y potasio (KAl(SO₄)₂) is a salt compound with the IUPAC name Potassium aluminium sulfate.
What is the molecular weight of Sulfato de aluminio y potasio?
Sulfato de aluminio y potasio has a molar mass of 258.21 g/mol.
What state is Sulfato de aluminio y potasio at room temperature?
Sulfato de aluminio y potasio is a solid at room temperature.
Is Sulfato de aluminio y potasio organic or inorganic?
Sulfato de aluminio y potasio is classified as an inorganic compound.
What elements make up Sulfato de aluminio y potasio?
Sulfato de aluminio y potasio (KAl(SO₄)₂) is composed of Oxígeno (O), Aluminio (Al), Azufre (S), Potasio (K).