Nickel Flouride
Nickel difluoride
CAS: 10028-18-9
Molecular Formula: F2Ni
Nickel Flouride - Names and Identifiers
| Name | Nickel difluoride |
| Synonyms | NiF2 NICKEL FLUORIDE Nickel Flouride Nickel difluoride Nickelous fluoride NICKEL(II) FLUORIDE Nickel(2+) difluoride NICKEL FLUORIDE (OUS) Nickel(II) fluoride, anhydrous |
| CAS | 10028-18-9 |
| EINECS | 233-071-3 |
| InChI | InChI=1/2FH.Ni/h2*1H;/q;;+2/p-2 |
Nickel Flouride - Physico-chemical Properties
| Molecular Formula | F2Ni |
| Molar Mass | 96.69 |
| Density | 4.72g/mLat 25°C(lit.) |
| Melting Point | 1380℃(lit.) |
| Boling Point | 1498.77°C (estimate) |
| Water Solubility | 2.51 g/100 mL |
| Solubility | diethyl ether: insoluble(lit.) |
| Vapor Presure | 0.001Pa at 20℃ |
| Appearance | Crystalline |
| Specific Gravity | 4.72 |
| Color | Pale yellow |
| Exposure Limit | ACGIH: TWA 2.5 mg/m3; TWA 0.1 mg/m3NIOSH: IDLH 10 mg/m3; IDLH 250 mg/m3; TWA 2.5 mg/m3; TWA 0.015 mg/m3 |
| Merck | 14,6508 |
| pKa | 0.019[at 20 ℃] |
| Stability | hygroscopic |
| Sensitive | Hygroscopic |
| Use | Used as aluminum alloy surface treatment agent, metal coloring, Catalyst, etc |
Nickel Flouride - Risk and Safety
| Risk Codes | R45 - May cause cancer R36/37/38 - Irritating to eyes, respiratory system and skin. R42/43 - May cause sensitization by inhalation and skin contact. R40 - Limited evidence of a carcinogenic effect R68 - Possible risk of irreversible effects R50/53 - Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. R48/23 - R41 - Risk of serious damage to eyes R38 - Irritating to the skin R25 - Toxic if swallowed R61 - May cause harm to the unborn child R49 - May cause cancer by inhalation |
| Safety Description | S53 - Avoid exposure - obtain special instructions before use. 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.) S36/37 - Wear suitable protective clothing and gloves. S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. S60 - This material and its container must be disposed of as hazardous waste. S22 - Do not breathe dust. |
| UN IDs | 3288 |
| WGK Germany | 3 |
| RTECS | QR6825000 |
| TSCA | Yes |
| Hazard Note | Irritant |
| Hazard Class | 6.1 |
| Packing Group | III |
| Toxicity | LD50 i.v. in mice: 130 mg/kg (Nat. Acad. Sci.) |
Nickel Flouride - Upstream Downstream Industry
| Raw Materials | Sodium carbonate Hydrofluoric Acid Nickelous sulfate Nickel nickel carbonate Nitric acid Hydrochloric acid |
Nickel Flouride - Nature
Open Data Verified Data
yellow-green or light-yellow crystals. d 4. 72. Hygroscopic, slightly soluble in water, 25 ° C solubility of about 4G/lOOmL. Insoluble in ethanol and ether. Slightly soluble in anhydrous hydrogen fluoride, soluble in hydrofluoric acid. The properties are relatively stable, and the melting point temperature is slowly changed into oxide.
Last Update：2024-01-02 23:10:35
Nickel Flouride - Preparation Method
Open Data Verified Data
can be prepared by the reaction of hydrogen fluoride and nickel chloride. Nickel fluoride tetrahydrate can also be prepared by heating at 500 °c for several hours in a stream of anhydrous hydrogen fluoride. It can also be prepared by reacting excess sulfur tetrafluoride or chlorine trifluoride with a nickel fluoride salt at elevated temperature or nickel carbonate with anhydrous hydrogen fluoride at 250 °c.
Last Update：2022-01-01 09:06:30
Nickel Flouride - Use
Open Data Verified Data
used for aluminum surface treatment and used as a sealing agent for metal aluminum profile processing. It is also a fluorinating agent and catalyst for the preparation of inks, fluorescent lamps and organic synthesis.
Last Update：2022-01-01 09:06:30
Nickel Flouride - Safety
Open Data Verified Data
mice were injected intravenously with LD5o:130mg/kg.
Last Update：2022-01-01 09:06:31
Nickel Flouride - 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) |
| Overview | nickel fluoride is a yellow-green square crystal, soluble in water, acid, alkali, liquid ammonia. Sublimation occurs when heated to 1000 °c in a hydrogen fluoride gas stream. Heating in a hydrogen stream produces nickel. Preparation Method: ammonium tetrafluorolinate is heated in an inert gas, and then heated to 1200~1300 ° C. In a hydrogen fluoride gas stream, or nickel chloride (II) is obtained by interacting with fluorine gas at 150 ° C. |
| preparation | at present, the common synthesis process of nickel fluoride is divided into two types: wet method and fire method, the wet method is mainly prepared by the reaction of hydrofluoric acid with nickel carbonate or nickel hydroxide. The hydrofluoric acid used in the reaction process is very corrosive, and the hydrogen fluoride gas emitted by the reaction has certain toxicity, there is a great harm to personnel and equipment. The preparation by the fire method uses fluorine gas to directly synthesize nickel fluoride solid by calcining with nickel oxide under the condition of isolating the air environment. This method requires high equipment, and fluorine gas has strong toxicity. In order to reduce the toxicity and equipment requirements of the synthesis process, nickel fluoride was synthesized using nickel carbonate and ammonium fluoride as raw materials. CN201410551409.2 provides a preparation method of nickel fluoride, using nickel carbonate and ammonium fluoride as raw materials, soluble carbonate as auxiliary raw materials by nickel carbonate slurry, synthesis, purification and washing filter drying four steps directly to obtain nickel fluoride. The specific steps of the preparation method of the above nickel fluoride are as follows: nickel carbonate slurry: pure water is used to slurry nickel carbonate; Synthesis preparation: the solution after nickel carbonate slurry is heated to 75 ℃-90 ℃, ammonium fluoride is added, and the reaction is carried out at 75 ℃-90 ℃ for 2-3 hours; Purification and impurity removal: After the synthesis reaction is finished, after adding the auxiliary material soluble carbonate, the reaction is carried out at 75 ℃-90 ℃ for 1-2 hours; Washing, filtration and drying: after purification and impurity removal, the formed nickel fluoride precipitate is filtered, the filtrate was returned to the next slurry of nickel carbonate, and the filter cake was washed 2-3 times and then dried by filtration to obtain a nickel fluoride product. The preparation method of nickel fluoride of the present invention relates to a method for producing nickel fluoride by hydrometallurgy. The specific method is that nickel carbonate and ammonium fluoride are used as raw materials, and nickel carbonate is slurried and synthesized, the preparation of nickel fluoride was carried out in four steps: purification and impurity removal, washing, filtration and drying. The auxiliary material used in the preparation process is a soluble carbonate. The preparation process does not use fluorine gas, hydrofluoric acid and other strong corrosive substances. Compared with the traditional process, it has the advantages of high safety, low equipment requirements, simple operation and high product quality. |
| solubility in water (g/100ml) | grams dissolved per 100ml of water at different temperatures (℃): 2.55g/10 ℃;2.56g/20 ℃;2.56g/60 ℃;2.59g/90 ℃ |
| Application | used as catalyst used as surface treatment agent for aluminum alloy, organic synthesis of fluoride agent and catalyst, etc. used as aluminum alloy surface treatment agent, metal coloring, Catalyst, etc. suitable for aluminum profile surface treatment and preparation of ink, fluorescent lamp, fluorinating agents and catalysts for organic synthesis. |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-10 22:29:15
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Raw Materials for Nickel Flouride