Magnesium(II) sulfate | SSHADE

Processing math: 50%

Solid phase

Official name: Magnesium(II) sulfate

Name and identifiers

Secondary names: Magnesium sulphate; Sulfuric acid, magnesium salt (1:1)
CAS number: 7487-88-9

Family: ionic solid
Class: normal salt
Compound type: sulfate

Chemical composition

Formula: $Mg^{2+} \cdot SO_4^{2-}$
Chemical formula: MgSO4
Elemental formula: (Mg2+) S O2 (O-)2
Isotope mixture type: terrestrial abundance

4.0

	Formula	Name	Family	Number min-max	Mole fraction	Isotope mole fraction	State	Relevance
	$Mg^{2+}$	Magnesium(II) cation	element	1	0.5	1	constituent cation	main
	$(SO_4)^{2-}$	Sulfate anion	chemical function	1	0.5	1	anionic radical	main

Chemical functions and bonds

Chemical functions

	Function	Number
	$(SO_4)^{2-}$	1

Chemical bonds

	Bond	Number
	$\cdot Mg^{2+} \cdot O^{-}-$	2
	$\dddot - \dddot - \dddot - S \dddot - O^{-1/2}$	4

Class: normal salts (07)
Type: simple normal salts (07.01)

Crystallography

Phase type: crystalline

Physical properties

Molar mass: 120.366 $g/mol$
Density: 2.66 $g/cm^3$

Thermodynamical properties

State NTP

solid

Phase transitions

Phase transition type	Other phases	Temperature - Pressure
solid decomposition	$MgO$ + $SO_3$	1124 °C (1397 K)

Optical properties

Pure color: colorless
Color: colorless, white
Diaphaneity: transparent to translucent
Luster: vitreous

Links and Publications

Links

Wikipedia: Magnesium Sulfate