Copper(II) nitrate trihydrate | SSHADE

Solid phase

Official name: Copper(II) nitrate trihydrate

Name and identifiers

Secondary names: Cupric nitrate trihydrate; Copper nitrate trihydrate
CAS number: 10031-43-3

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

Chemical composition

Formula: $Cu^{2+}.(NO_3^-)_2 \bullet 3H_2O$
Chemical formula: Cu(N03)2.3(H2O)
Elemental formula: (Cu2+) (N+)2 O5 (O-)4 H6
Isotope mixture type: terrestrial abundance

12.0

	Formula	Name	Family	Number min-max	Mole fraction	Isotope mole fraction	State	Relevance
	$Cu^{2+}$	Copper cation	element	1	0.16666666666666666	1	constituent cation	main
	$(NO_3)^-$	Nitrate anion	chemical function	2	0.3333333333333333	1	anionic radical	main
	$H_2O$	Water	molecule	3	0.5	1	hydration	main

Chemical functions and bonds

Chemical functions

	Function	Number
	$(NO_3)^-$	2
	$R-OH$	2

Chemical bonds

	Bond	Number
	$\cdot Cu^{2+} \cdot O^{-}-$	2
	$-O-H$	2
	$\dddot - \dddot - N^+ \dddot - O^{-2/3}$	3

Class: normal salts (07)
Type: hydrated simple normal salts (07.04)

Crystallography

Phase type: crystalline
Crystal system: triclinic
Crystal class: rhombohedral

Physical properties

Molar mass: 241.60 $g/mol$
Density: 2.32 $g/cm^3$

Thermodynamical properties

State NTP

solid

Phase transitions

Phase transition type	Other phases	Temperature - Pressure
solid-liquid	liquid	387.5K (114.5°C)
liquid-gas	gas but decomposes	443K (170°C)

Optical properties

Pure color: blue

Links and Publications

Links

Wikipedia webpage