Copper(II) chloride
chemical compound / From Wikipedia, the free encyclopedia
Copper(II) chloride, also known as cupric chloride, is a chemical compound. Its chemical formula is CuCl2. It contains copper in its +2 oxidation state. It also contains two chloride ions.
Quick Facts Names, Identifiers ...
Names | ||
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Other names
Cupric chloride | ||
Identifiers | ||
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3D model (JSmol) |
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ChemSpider |
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ECHA InfoCard | 100.028.373 | |
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Properties | ||
CuCl2 | ||
Molar mass | 134.45 g/mol (anhydrous) 170.48 g/mol (dihydrate) | |
Appearance | yellow-brown solid (anhydrous) blue-green solid (dihydrate) | |
Odor | odorless | |
Density | 3.386 g/cm3 (anhydrous) 2.51 g/cm3 (dihydrate) | |
Melting point | 498 °C (928 °F; 771 K) (anhydrous) 100 °C (dehydration of dihydrate) | |
Boiling point | 993 °C (1,819 °F; 1,266 K) (anhydrous, decomposes) | |
70.6 g/100 mL (0 °C) 75.7 g/100 mL (25 °C) 107.9 g/100 mL (100 °C) | ||
Solubility | methanol: 68 g/100 mL (15 °C)
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+1080·10−6 cm3/mol | ||
Structure | ||
distorted CdI2 structure | ||
Octahedral | ||
Hazards | ||
EU classification | Not listed | |
NFPA 704 |
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Flash point | Non-flammable | |
U.S. Permissible exposure limit (PEL) |
TWA 1 mg/m3 (as Cu)[1] | |
Related compounds | ||
Other anions | Copper(II) fluoride Copper(II) bromide | |
Other cations | Copper(I) chloride Silver chloride Gold(III) chloride | |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). | ||
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