Cupric fluoride
Physical Properties Uses Preparation Reactions Toxicity- Product Name
- Cupric fluoride
- CAS No.
- 7789-19-7
- Chemical Name
- Cupric fluoride
- Synonyms
- CuF2;Copper(II) fL;CUPRIC FLUORIDE;COPPER FLUORIDE;Iron(Ⅲ) fluoride;Coper difluoride;Copper difluoride;COPPER (II) FLUORIDE;copperfluoride(cuf2);COPPER (II) FLOURIDE
- CBNumber
- CB4105264
- Molecular Formula
- CuF2
- Formula Weight
- 101.54
- MOL File
- 7789-19-7.mol
Cupric fluoride Property
- Melting point:
- 950 °C (dec.)(lit.)
- Boiling point:
- 950 °C
- Density
- 4.23 g/mL at 25 °C(lit.)
- form
- Powder
- color
- White
- Specific Gravity
- 4.85
- Water Solubility
- SOLUBLE IN COLD WATER
- Sensitive
- Hygroscopic
- Merck
- 14,2638
- crystal system
- Monoclinic
- Space group
- P21/n
- Lattice constant
a/nm b/nm c/nm α/o β/o γ/o V/nm3 0.46157 0.45624 0.32973 90 96.707 90 0.069 - Exposure limits
- ACGIH: TWA 1 mg/m3; TWA 2.5 mg/m3
NIOSH: IDLH 100 mg/m3; IDLH 250 mg/m3; TWA 1 mg/m3 - Stability:
- hygroscopic
- CAS DataBase Reference
- 7789-19-7(CAS DataBase Reference)
- NIST Chemistry Reference
- Copper difluoride(7789-19-7)
- EPA Substance Registry System
- Copper fluoride (CuF2) (7789-19-7)
Safety
- Hazard Codes
- C,Xi
- Risk Statements
- 32-34-36/37/38-20/21/22
- Safety Statements
- 26-36/37/39-45-24/25-27-22
- RIDADR
- UN 3260 8/PG 3
- WGK Germany
- 3
- F
- 3-10
- Hazard Note
- Hygroscopic
- TSCA
- Yes
- HazardClass
- 6.1
- PackingGroup
- III
- HS Code
- 2826199090
Hazard and Precautionary Statements (GHS)
- Symbol(GHS)
-
- Signal word
- Danger
- Hazard statements
-
H314Causes severe skin burns and eye damage
H318Causes serious eye damage
- Precautionary statements
-
P260Do not breathe dust/fume/gas/mist/vapours/spray.
P280Wear protective gloves/protective clothing/eye protection/face protection.
P301+P330+P331IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.
P303+P361+P353IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.
P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P405Store locked up.
N-Bromosuccinimide Price
- Product number
- 217905
- Product name
- Copper(II) fluoride
- Purity
- 98%
- Packaging
- 20g
- Price
- $133
- Updated
- 2024/03/01
- Product number
- 011489
- Product name
- Copper(II) fluoride, anhydrous, 99.5%
- Packaging
- 10g
- Price
- $72
- Updated
- 2024/03/01
- Product number
- 011489
- Product name
- Copper(II) fluoride, anhydrous, 99.5%
- Packaging
- 50g
- Price
- $199
- Updated
- 2023/06/20
- Product number
- 93-2923
- Product name
- Copper(II) fluoride, anhydrous, 99%
- Packaging
- 5g
- Price
- $33
- Updated
- 2024/03/01
- Product number
- 93-2923
- Product name
- Copper(II) fluoride, anhydrous, 99%
- Packaging
- 25g
- Price
- $95
- Updated
- 2024/03/01
Cupric fluoride Chemical Properties,Usage,Production
Physical Properties
Cupric fluoride is a white crystalline solid; monoclinic crystals; turns blue in moist air; sparingly soluble in water (hydrolyzes in hot water). The dihydrate is blue monoclinic crystal;slightly soluble in water.
Uses
Copper(II) fluoride is used in cathodes in nonaqueous galvanic cells, such as high energy batteries. It also is used as a fluorinating agent. The dihydrate is used in welding and brazing fluxes and is added to cast iron to improve its strength. Another application of this compound is as opacifier in ceramics, glasses and enamels.
Preparation
Copper(II) fluoride is prepared by direct fluorination of copper at high temperatures:
Cu + F2 → CuF2
It also may be prepared by passing hydrogen fluoride gas over copper(II) oxide at 400°C:
CuO + 2HF→ CuF2 + H2O
Alternatively, it may be made by treating copper carbonate with hydrofluoric acid followed by crystallization.
CuCO3 + 2HF(aq) → CuF2 + H2O + CO2
Reactions
Copper(II) fluoride loses fluorine as it melts. At 950°C it converts to copper( I) fluoride (cuprous fluoride), CuF:
2CuF2 →2CuF + F2
Also, when it is heated at 1,200°C in an atmosphere of hydrogen fluoride, copper( I) fluoride is produced.
Reaction with water is slow, forming a hydrate. The product decomposes slowly at ambient temperature with liberating hydrogen fluoride, leaving a basic fluoride, CuFOH. The dihydrate hydrolyzes to oxyfluoride Cu(OF)2 in hot water.
Toxicity
Cupric fluoride is moderately toxic by ingestion and other routes of exposure.
Chemical Properties
Cupric fluoride is blue powder
Uses
Ceramics, enamels, flux in metallurgy, highenergy batteries, fluorinating agent.
Uses
Cathodes in nonaqueous galvanic cells, high temp. fluorinating agent.Copper(II) fluoride is used in the preparation of fluorobenzene by reacting with benzene. It is also used in galvanic cells, high-temperature fluorinating agent and fluxing iron castings. Further, it is used as an efficient catalyst in Chan-Lam-Evans coupling reaction to synthesis the diaryl- ether compounds.
Definition
The anhydrous form, CuF2, is also available.
General Description
Copper fluoride is a monoclinic weak ferromagnet. The structural properties were investigated by neutron diffraction.
Hazard
A poison.
Cupric fluoride Preparation Products And Raw materials
Raw materials
Preparation Products
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View Lastest Price from Cupric fluoride manufacturers
- Product
- Cupric fluoride 7789-19-7
- Price
- US $1.00/KG
- Min. Order
- 1KG
- Purity
- 98%-99.9%
- Supply Ability
- 200kg
- Release date
- 2020-01-10