Hafnium sulfide (HfS2)

Base Information

• Chemical Name: Hafnium sulfide (HfS2)
• CAS No.: 18855-94-2
• Molecular Formula: HfS₂
• Molecular Weight: 242.622
• European Community (EC) Number: 242-629-5
• DSSTox Substance ID: DTXSID301314401
• Wikipedia: Hafnium_disulfide,Hafnium(IV) sulfide
• Wikidata: Q15628317
• Mol file: 18855-94-2.mol

Synonyms:Hafnium sulfide (HfS2);bis(sulfanylidene)hafnium;18855-94-2;Hafnium disulphide;hafnium(IV) sulfide;DTXSID301314401;EINECS 242-629-5;HAFNIUM SULFIDE/ 99.9per cent;Q15628317

Chemical Property of Hafnium sulfide (HfS2)

Chemical Property:

• Vapor Pressure: 12600mmHg at 25°C
• Density: 6.030
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 2
• Rotatable Bond Count: 0
• Exact Mass: 243.89070
• Heavy Atom Count: 3
• Complexity: 18.3

Purity/Quality:

98%Min ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

• Canonical SMILES: S=[Hf]=S

Technology Process of Hafnium sulfide (HfS2)

There total 5 articles about Hafnium sulfide (HfS2) 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 sulfide → hafnium disulfide (18855-94-2)

Guidance literature:

In neat (no solvent, solid phase); slowly heated to 900°C (Ar 95%+H2 5%) decomposed for 40 min at 900°C; cooled, XRD, SEM, EDX;

DOI:10.1002/1521-3773(20020916)41:18<3451::AID-ANIE3451>3.0.CO;2-2

Reference yield:

hafnium + sulfur (7704-34-9) → hafnium disulfide (18855-94-2)

Guidance literature:

In neat (no solvent); heating Hf and S in a sealed quartz ampoule at 900°C;;

DOI:10.1143/JPSJ.60.1814

Reference yield:

hydrogen sulfide (7783-06-4) + hafnium tetrachloride (13499-05-3) → hafnium disulfide (18855-94-2)

Guidance literature:

In not given; direct sulphidation by the method of Udy, M. G., " The Chemistry of Chromium and its Compounds", Reinhold, New York 1956;

DOI:10.1016/0021-9517(89)90287-X

upstream raw materials:

hydrogen sulfide

sulfur

sulfur

hafnium tetrachloride

Refernces

• 1、 Semkow,Pujare,Sammells. "IMPEDANCE AND ADMITTANCE MEASUREMENTS AT INTERCALATED n-HfS2/NONAQUEOUS ELECTROLYTE INTERFACE.". . p. 327 - 332. Retrieved 1988.
• 2、 Lacroix, M.,Boutarfa, N.,Guillard, C.,Vrinat, M.,Breysse, M.. "". . p. 473 - 477. Retrieved 1989.
• 3、 Terashima, K.,Imai, I.. "INDIRECT ABSORPTION EDGE OF ZrS//2 AND HfS//2.". . p. 315 - 318. Retrieved 1987.
• 4、 Nath, Manashi,Rao. "Nanotubes of group 4 metal disulfides". . p. 3451 - 3454. Retrieved 2007/10/03.