二氟化镍

Description

Nickel difluoride · CAS 10028-18-9 · F2Ni. UNII 69NBB20493. Melting Point: Sublimes at 1000 °C; Solubility: 4 g/100 ml water @ 25 °C; Density: 4.72.

Identification

CAS Registry Number	10028-18-9
PubChem CID	24825
Molecular formula	F2Ni
IUPAC name	difluoronickel
UNII (FDA)	69NBB20493

Computed Descriptors

Molecular Weight	96.690
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	2
Rotatable Bond Count	0
Exact Mass	95.932148
Monoisotopic Mass	95.932148
Topological Polar Surface Area	0
Heavy Atom Count	3
Formal Charge	0
Complexity	2.8

Physical & Chemical Properties

Melting Point	Sublimes at 1000 °C
Solubility	4 g/100 ml water @ 25 °C
Density	4.72
Formulations/Preparations	-100 mesh, 99.5% purity grade

Physical description & handling notes

• Yellow to green crystals, slightly soluble in water; [Merck Index]
• Yellowish to green tetragonal crystals (Rutile type)
• A light yellow colored powder
• Insoluble in ethanol and ethyl ether
• Insol in alcohol, ether
• Sol in aq hydrogen fluoride; insol in anhydrous hydrogen fluoride

GHS Hazard Classification

Reported hazard statements	H317, H334, H341, H372, H400, H410, H350 (95.2%), H360 (95.1%)

Documented Uses

• Used in catalysts, varistors, battery cathodes, and to make elemental fluorine for research and lasers; [HSDB]
• Battery Manufacturing [Category: Industry]
• Used in marking ink compositions for fluorescent lamps, as a catalyst in transhalogenation of fluoroolefins, in the manufacture of varistors, as a catalyst for hydrofluorination, in the synthesis of xenon hexafluoride, and in the preparation of high purity elemental fluorine for research and for chemical lasers.
• ... PREPARED BY REACTION OF FLUORINE ON FINELY DIVIDED NICKEL POWDER ... BY REACTION OF ANHYDROUS NICKEL CHLORIDE WITH FLUORINE OR HYDROGEN FLUORIDE, OR BY FUSION OF NICKEL CHLORIDE WITH AMMONIUM FLUORIDE ...
• Prepared by the action of anhydrous Hydrogen Fluoride on anhydrous nickel chloride, or nickel flouride tetrahydrate at 300 °C
• Prepared by heating a mixture of ammonium biflouride and nickel flouride tetrahydrate

Synonyms

NICKEL FLUORIDE; 10028-18-9; difluoronickel; Nickel difluoride; Nickelous fluoride; Nickel(II) fluoride (1:2); 69NBB20493; Niccolum Fluoratum; RefChem:165666; DTXCID7032503; 233-071-3; DTXSID5064912; Nickel fluoride (NiF2); Nickel(II) fluoride; Nickel(II)fluoride; Nickel fluoride, anhydrous

Frequently Asked Questions

What are the CAS number and molecular formula of Nickel difluoride?

CAS 10028-18-9; molecular formula F2Ni; molecular weight — g/mol.

What other names is Nickel difluoride known by?

NICKEL FLUORIDE, 10028-18-9, difluoronickel, Nickel difluoride, Nickelous fluoride, Nickel(II) fluoride (1:2).

Is Nickel difluoride classified as hazardous?

Hazard statements reported: H317, H334, H341, H372, H400.

What are the key physical properties of Nickel difluoride?

Melting Point: Sublimes at 1000 °C; Solubility: 4 g/100 ml water @ 25 °C; Density: 4.72; Formulations/Preparations: -100 mesh, 99.5% purity grade.

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.