Hafnium(IV) fluoride

Base Information

• Chemical Name: Hafnium(IV) fluoride
• CAS No.: 13709-52-9
• Molecular Formula: F4Hf
• Molecular Weight: 254.484
• Hs Code.: 28261990
• European Community (EC) Number: 237-258-0
• Wikipedia: Hafnium fluoride,Hafnium(IV) fluoride,Hafnium_tetrafluoride
• Wikidata: Q4493197
• Mol file: 13709-52-9.mol

Synonyms:Hafnium(IV) fluoride;Hafnium fluoride;Hafnium tetrafluoride;Tetrafluorohafnium;MFCD00016127;tetrakis(fluoranyl)hafnium;Hafnium fluoride (HfF4), (T-4)-;CS-0144746;Gadolinium Oxide (Gd2O3) Sputtering Targets;A807195;Q4493197;Hafnium(IV) fluoride, 99.9% trace metals basis (purity excludes up to ~1% zirconium)

Chemical Property of Hafnium(IV) fluoride

Chemical Property:

• Appearance/Colour: Off-white powder
• Melting Point: 310 °C
• Boiling Point: 19.5oC at 760mmHg
• PSA: 0.00000
• Density: 7.100
• LogP: 1.68080
• Sensitive.: Moisture Sensitive
• Water Solubility.: React with water.
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 4
• Rotatable Bond Count: 0
• Exact Mass: 255.94017
• Heavy Atom Count: 5
• Complexity: 19.1

Purity/Quality:

99%, ^*data from raw suppliers

Hafnium(IV) fluoride 99.9% trace metals basis (purity excludes up to ~1% zirconium) ^*data from reagent suppliers

Safty Information:

• Pictogram(s): Xi, T
• Hazard Codes: Xi,T
• Statements: 32-36/37/38-41-23-37/38
• Safety Statements: 26-36-45-36/37/39

MSDS Files:

SDS file from LookChem

Total 1 MSDS from other Authors

Useful:

• Chemical Classes: Metals -> Metals, Inorganic Compounds
• Canonical SMILES: F[Hf](F)(F)F
• Physical properties: White monoclinic crystals; refractive index 1.56; density 7.1 g/cm3; sublimes at 970°C.
• Uses: Hafnium(IV) fluoride is used as Vacuum deposition.

Technology Process of Hafnium(IV) fluoride

There total 31 articles about Hafnium(IV) fluoride which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield:

hafnium tetrafluoride monohydrate (60816-55-9) → hafnium tetrafluoride (13709-52-9)

Guidance literature:

In solid; byproducts: H2O, Hf, HFO(x)F(y); heating at 280°C (Ar); not isolated; TGA, X-ray diffraction;

DOI:10.1111/j.1151-2916.1990.tb05202.x

Reference yield:

hafnium(IV) oxide + hydrogen fluoride (7664-39-3,12381-92-9,32057-09-3,74835-82-8) → hafnium tetrafluoride (13709-52-9)

Guidance literature:

450 to 550°C; Kinetics;

Reference yield:

hafnium + hydrogen fluoride (7664-39-3,12381-92-9,32057-09-3,74835-82-8) + fluorine (7782-41-4) → hafnium tetrafluoride (13709-52-9)

Guidance literature:

With N₂; In neat (no solvent); at 500°C for 7 d;

DOI:10.1002/1521-3749(200110)627:10<2344::AID-ZAAC2344>3.0.CO;2-B

upstream raw materials:

hydrogen fluoride

fluorine

hafnium tetrafluoride monohydrate

xenon difluoride

Downstream raw materials:

potassium pentafluorohafnate monohydrate

Refernces

• 1、 Plitzko, Christian,Strecker, Michael,Meyer, Gerd. "Synthesis and crystal structure of the fluoride-ammine complexes Zr(NH3)F4 and Hf(NH3)F4". . p. 79 - 83. Retrieved 1997.
• 2、 Gantar, D.,Rahten, A.. "Thermal behaviour of some new hydrazinium fluorometallates". . p. 833 - 838. Retrieved 1988.
• 3、 Ruchaud, N.,Grannec, J.,Tressaud, A.. "Polymorphic and magnetic study of ternary palladium (II) fluorides PdMIVF6 (MIV?Zr, Sn, Hf)". . p. 17 - 20. Retrieved 1994.
• 4、 Wang, Xuefeng,Lyon, Jonathan T.,Andrews, Lester. "Formation and calculations of the simple terminal triplet pnictinidene molecules n÷MF3, P÷MF3, and As÷MF3 (M = Ti, Zr, Hf)". . p. 6297 - 6302. Retrieved 2009/12/04.