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DeutschCopper(II) chloride - Simple English Wikipedia, the free encyclopedia
| Names | ||
|---|---|---|
| Other names Cupric chloride | ||
| Identifiers | ||
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|- | ECHA InfoCard | 100.028.373 |- | EC Number | {| {| style="margin: 0.5em auto; background: #Afe1f3; border: 2px solid #000000; font-size: 95%; text-align: center;" |- | NAHHHH BLUD THIS PAGE IS FROM OHIO 💀💀💀😭
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|- | align="center" colspan="2" | |-
| colspan="2" |
- Cl[Cu]Cl
- [Cu+2].[Cl-].[Cl-]
|- ! colspan=2 style="background: #f8eaba; text-align: center;" |Properties
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| 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)
|-
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| 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)
ethanol:
53 g/100 mL (15 °C)
soluble in acetone |-
|
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| +1080·10−6 cm3/mol |- ! colspan=2 style="background: #f8eaba; text-align: center;" |Structure
|- |
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| distorted CdI2 structure |-
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| Octahedral |-
! align="center" cellspacing="3" style="border: 1px solid #C0C090; background-color: #F8EABA; margin-bottom: 3px;" colspan="2" | Hazards
|-
| EU classification | Not listed |-
| NFPA 704 |
0 2 1 |
|-
| Flash point | Non-flammable |-
| U.S. Permissible
exposure limit (PEL) | TWA 1 mg/m3 (as Cu)[1] |- ! align="center" cellspacing="3" style="border: 1px solid #C0C090; background-color: #F8EABA; margin-bottom: 3px;" colspan="2" | Related compounds |- | Other anions | Copper(II) fluoride
Copper(II) bromide |- | Other cations | Copper(I) chloride
Silver chloride
Gold(III) chloride |-
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|} 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.
Properties[change | change source]
Copper(II) chloride is light brown when anhydrous. It is green when hydrated. It is a weak oxidizing agent. It reacts with aluminium foil to make hydrogen, copper(I) oxide, and aluminium chloride. This is used in school demonstrations. It releases chlorine and turns into copper(I) chloride when heated very hot. It reacts with sodium hydroxide to make copper(II) hydroxide. Copper(II) chloride reacts with metals to make metal chlorides and copper. It puts out blue flames if it is heated in a flame. It reacts with sulfur dioxide to make copper(I) chloride. It dissolves in water to make a blue solution. When more chloride is added, it turns green, then yellow.[2]
Preparation[change | change source]
It is made by reacting copper with chlorine. It can also be made by reacting copper(II) hydroxide, copper(II) oxide, or copper(II) carbonate with hydrochloric acid and from pure copper and from 1:1 solution of hydrogen peroxide and hydrochloric acid where copper first get oxidized to CuO from H2O2 and then reacts with HCl to form CuCl2, reaction goes like this:
Cu + H2O2 → CuO + H2O
CuO + 2HCl → CuCl2 + H2O
Uses[change | change source]
Copper(II) chloride is used to make fungicides. It is also used to make organic compounds. It is also used to make acetaldehyde from ethane. [4]
Safety[change | change source]
It is toxic, with toxicity similar to copper sulfate It is therefore harmful. [5]
Related pages[change | change source]
References[change | change source]
- ↑ NIOSH Pocket Guide to Chemical Hazards. "#0150". National Institute for Occupational Safety and Health (NIOSH).
- ↑ "Amazing Rust.com - CuCl2". www.amazingrust.com. Archived from the original on 2019-06-26. Retrieved 2019-02-14.
- ↑ "Types of Reactions". www.wiredchemist.com.
- ↑ "USES and APPLICATIONS of CHEMICALS elements compounds mixtures formulations". www.docbrown.info.
- ↑ "Copper FAQ - Dartmouth Toxic Metals Superfund Research Program". www.dartmouth.edu.