Copper(II) sulfate trihydrate

Copper(II) sulfate trihydrate
Identifiers
CAS number	16448-28-5 Y
EC number	231-847-6
Jmol-3D images	Image 1 Image 2
SMILES O.[OH2][Cu]1([OH2])OS(=O)(=O)O1 O.[OH2-].[OH2-].[Cu+4].[O-]S([O-])(=O)=O
InChI InChI=1S/Cu.H2O4S.3H2O/c;1-5(2,3)4;;;/h;(H2,1,2,3,4);3*1H2/q+2;;;;/p-2 Y Key: XRZJYOVMWCUNER-UHFFFAOYSA-L Y
Properties
Molecular formula	CuH4SO6••H2O
Molar mass	213.654 g mol-1
Exact mass	212.913024315 g mol-1
Hazards
GHS pictograms
GHS signal word	WARNING
GHS hazard statements	H302, H319, H315, H410
GHS precautionary statements	P264, P270, P273, P280, P301+312, P302+352, P305+351+338, P321, P330, P332+313, P337+313, P362, P501
EU Index	029-004-00-0
EU classification	Xn N
R-phrases	R22, R36/38, R50/53
S-phrases	(S2), S22, S60, S61
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)
Infobox references

Copper(II) sulfate trihydrate, also known as cupric sulfate trihydrate, is the chemical compound with the chemical formula CuSO₄.3H₂O. This hydrated salt is one less commonly encountered copper sulfate salts.

It dehydrates above 109 °C (228 °F).

Copper(II) sulfate trihydrate occurs naturally as bonattite.