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18855-94-2

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Basic Information
CAS No.: 18855-94-2
Name: HAFNIUM SULFIDE/ 99.9%
Article Data: 16
Molecular Structure:
Molecular Structure of 18855-94-2 (HAFNIUM SULFIDE/ 99.9%)
Formula: HfS2
Molecular Weight: 242.622
Synonyms: Hafniumdisulfide;Dithioxohafnium;Bis(sulfanylidene)hafnium;
EINECS: 242-629-5
Density: 6.030
Solubility: Insoluble in water, acid, alkali, and most organic solvents
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Specification

The Hafnium sulfide (HfS2) with CAS registry number of 18855-94-2 is also known as Dithioxohafnium. The IUPAC name is Bis(sulfanylidene)hafnium. Its EINECS registry number is 242-629-5. In addition, the formula is HfS2 and the molecular weight is 242.62. What's more, this chemical is insoluble in water, acid, alkali, and most organic solvents. It will melt without decomposition or sublimation at a temperature higher than 800 °C.

Physical properties about Hafnium sulfide (HfS2) are: (1)Exact Mass: 243.89069; (2)MonoIsotopic Mass: 243.89069; (3)Topological Polar Surface Area: 64.2; (4)Heavy Atom Count: 3; (5)Complexity: 18.3; (6)Covalently-Bonded Unit Count: 1.

Preparation of Hafnium sulfide (HfS2): it is prepared by reaction of sponge hafnium and then sublimed sulfur with iodine transfer agent. The reaction occurs at the temperature of  800-900 °C for at least 70 hours. After the reaction, the crystal should be washed with CCl4 and CS2 to obtain product.

You can still convert the following datas into molecular structure:
1. SMILES: S=[Hf]=SCopyCopied
2. InChI: InChI=1/Hf.2S/rHfS2/c2-1-3
3. InChIKey: IBPNRGHKXLNFKF-MQNVFFBUAI
4. Std. InChI: InChI=1S/Hf.2S
5. Std. InChIKey: IBPNRGHKXLNFKF-UHFFFAOYSA-N