Copper(II) perchlorate

Copper(II) perchlorate

Names
IUPAC name Copper(II) perchlorate
Other names Cupric perchlorate
Identifiers
CAS Number	10294-46-9
3D model (JSmol)	Interactive image
ChemSpider	26246
ECHA InfoCard	100.202.830
PubChem CID	28211
InChI InChI=1S/2ClHO4.Cu/c2*2-1(3,4)5;/h2*(H,2,3,4,5);/q;;+2/p-2 Key: YRNNKGFMTBWUGL-UHFFFAOYSA-L
SMILES [O-]Cl(=O)(=O)=O.[O-]Cl(=O)(=O)=O.[Cu+2]
Properties
Chemical formula	Cu(ClO4)2
Molar mass	262.447 g/mol (anhydrous) 370.539 g/mol (hexahydrate)
Appearance	Blue solid hygroscopic[1]
Odor	odorless
Density	2.225 g/cm3
Melting point	82 °C (180 °F; 355 K)
Boiling point	120 °C (248 °F; 393 K)
Solubility in water	146 g/100ml (30°C)
Refractive index (nD)	1.505[2]
Hazards
Safety data sheet	External MSDS
EU classification (DSD) (outdated)	O Xn
US health exposure limits (NIOSH):
PEL (Permissible)	TWA 1 mg/m3 (as Cu)[3]
REL (Recommended)	TWA 1 mg/m3 (as Cu)[3]
IDLH (Immediate danger)	TWA 100 mg/m3 (as Cu)[3]
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

Copper(II) perchlorate is a salt of copper and perchloric acid. It is a hygroscopic crystalline blue solid, most commonly copper(II) perchlorate hexahydrate, Cu(ClO₄)₂·6H₂O. Like any perchlorate, it is a strong oxidizing agent.

References