Copper fluoride (CuF2)
Copper(II) fluoride
CAS: 7789-19-7
Molecular Formula: CuF2
Copper fluoride (CuF2) - Names and Identifiers
Copper fluoride (CuF2) - Physico-chemical Properties
| Molecular Formula | CuF2 |
| Molar Mass | 101.54 |
| Density | 4.23g/mLat 25°C(lit.) |
| Melting Point | 950°C (dec.)(lit.) |
| Boling Point | 950 °C |
| Water Solubility | SOLUBLE IN COLD WATER |
| Vapor Presure | 922mmHg at 25°C |
| Appearance | Powder |
| Specific Gravity | 4.85 |
| Color | White |
| Exposure Limit | ACGIH: TWA 1 mg/m3; TWA 2.5 mg/m3NIOSH: IDLH 100 mg/m3; IDLH 250 mg/m3; TWA 1 mg/m3 |
| Merck | 14,2638 |
| Stability | hygroscopic |
| Sensitive | Hygroscopic |
| Physical and Chemical Properties | The chemical formula of Copper fluoride is CuF2, white crystalline powder. It is soluble in dilute acid, slightly soluble in cold water, and insoluble in ethanol. Cu(OH)F precipitates by hydrolysis in hot water. CuF2 · 2H2O dihydrate, blue crystal, specific gravity 2.95(25 ℃), slightly soluble in cold water, decomposed in hot water, soluble in hydrochloric acid, hydrofluoric acid, nitric acid and ethanol, insoluble in acetone, liquid ammonia. |
| Use | For organic synthesis reaction catalyst, fluoride agent and high concentration battery |
Copper fluoride (CuF2) - Risk and Safety
| Risk Codes | R32 - Contact with acids liberates very toxic gas R34 - Causes burns R36/37/38 - Irritating to eyes, respiratory system and skin. R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S24/25 - Avoid contact with skin and eyes. S27 - Take off immediately all contaminated clothing. S22 - Do not breathe dust. |
| UN IDs | UN 3260 8/PG 3 |
| WGK Germany | 3 |
| FLUKA BRAND F CODES | 3-10 |
| TSCA | Yes |
| Hazard Note | Hygroscopic |
| Hazard Class | 6.1 |
| Packing Group | III |
Copper fluoride (CuF2) - Reference Information
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Application | The hydrate of Copper fluoride can be used in ceramics, enamel and high energy batteries, as flux, pig iron additive, etc; the anhydrate can be used in the fabrication of non-aqueous spontaneous cells. used in organic synthesis reaction catalyst, fluorinating agent and high concentration battery used in ceramic and enamel Industry |
| preparation method | Copper fluoride is obtained by fluorinating anhydrous copper chloride with fluorine or ClF3 at 400 °c, alternatively, cupric oxide (or cupric carbonate) is dissolved in an excess of 40% hydrofluoric acid to form CuF2 · 5H2O · 5HF and then heated at 400 ° C. In a dry hydrogen fluoride gas stream. |
| solubility in water (g/100ml) | grams dissolved per 100ml of water: 7.5 × 10-2/20 ℃ |
| category | toxic substances |
| toxicity grade | high toxicity |
| flammability hazard characteristics | non-combustible; Toxic copper and fluoride smoke generated from fire scene |
| storage and transportation characteristics | warehouse ventilation and low temperature drying; Separate from food |
| fire extinguishing agent | carbon dioxide, sand |
Last Update：2024-04-10 22:29:15
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