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_chloride.jpg) Anhydrous
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|
 Dihydrate
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| Names | |
|---|---|
| IUPAC name
Copper(II) chloride
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| Other names
Cupric chloride
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| Identifiers | |
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3D model (JSmol)
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| 8128168 | |
| ChEBI | |
| ChEMBL | |
| ChemSpider | |
| DrugBank | |
| ECHA InfoCard | 100.028.373 |
| EC Number |
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| 9300 | |
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PubChem CID
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| RTECS number |
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| UNII |
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| UN number | 2802 |
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CompTox Dashboard (EPA)
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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 | 630 °C (1,166 °F; 903 K) (extrapolated) 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) |
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| Solubility | methanol: 68 g/(100 mL) (15 °C)
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| +1080·10−6 cm3/mol | |
| Structure[1][2] | |
| monoclinic (β = 121°) (anhydrous) orthorhombic (dihydrate) |
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| C2/m (anhydrous) Pbmn (dihydrate) |
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| a = 6.85 Å (anhydrous) 7.41 Å (dihydrate), b = 3.30 Å (anhydrous) 8.09 Å (dihydrate), c = 6.70 Å (anhydrous) 3.75 Å (dihydrate) |
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| Octahedral | |
| Hazards | |
| GHS labelling: | |
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| Danger | |
| H301, H302, H312, H315, H318, H319, H335, H410, H411 | |
| P261, P264, P270, P271, P273, P280, P301+P310, P301+P312, P302+P352, P304+P340, P305+P351+P338, P310, P312, P321, P322, P330, P332+P313, P337+P313, P362, P363, P391, P403+P233, P405, P501 | |
| NFPA 704 (fire diamond) | |
| Flash point | Non-flammable |
| NIOSH (US health exposure limits): | |
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PEL (Permissible)
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TWA 1 mg/m3 (as Cu)[3] |
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REL (Recommended)
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TWA 1 mg/m3 (as Cu)[3] |
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IDLH (Immediate danger)
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TWA 100 mg/m3 (as Cu)[3] |
| Safety data sheet (SDS) | Fisher Scientific |
| Related compounds | |
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Other anions
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Copper(II) fluoride Copper(II) bromide |
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Other cations
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Copper(I) chloride Silver chloride Gold(III) chloride |
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Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa)
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