Determine the necessary mass, volume, or concentration for preparing a solution.
≥99.95% metals basis, excluding Zr,Zr <1% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
Room temperature Ships Normal Check lot-specific COA for exact specifications.
SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.
Cited in 106 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
| Pubchem Sid | 508814078 |
|---|---|
| Canonical Smiles | O=[Hf]=O |
| IUPAC Name | dioxohafnium |
| InChIKey | CJNBYAVZURUTKZ-UHFFFAOYSA-N |
| INCHI | 1S/Hf.2O |
| Isomeric SMILES | O=[Hf]=O |
| WGK Germany | 3 |
| Molecular Weight | 210.49 |
| Reaxy-Rn | 13260127 |
| Reaxys-RN_link_address | https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=13260127&ln= |
Comprehensive hazard, handling, storage, and regulatory compliance document.
Download SDS →Lot-specific quality data. Enter your lot number to retrieve the exact COA.
Look up COA →Full quality attributes and acceptance criteria for this grade.
View spec sheet →Taxonomy Tree
| Kingdom | Inorganic compounds |
|---|---|
| Superclass | Mixed metal/non-metal compounds |
| Class | Transition metal organides |
| Subclass | Transition metal oxides |
| Intermediate Tree Nodes | Not available |
| Direct Parent | Transition metal oxides |
| Alternative Parents | Inorganic salts Inorganic oxides |
| Molecular Framework | Not available |
| Substituents | Transition metal oxide - Inorganic oxide - Inorganic salt |
| Description | This compound belongs to the class of inorganic compounds known as transition metal oxides. These are inorganic compounds containing an oxygen atom of an oxidation state of -2, in which the heaviest atom bonded to the oxygen is a transition metal. |
| External Descriptors | Not available |
Find and download the COA for your product by matching the lot number on the packaging.
| Lot Number | Certificate Type | Date | Item |
|---|---|---|---|
| Certificate of Analysis | May 18, 2026 | H299352 | |
| Certificate of Analysis | May 18, 2026 | H299352 | |
| Certificate of Analysis | Sep 08, 2023 | H299352 | |
| Certificate of Analysis | Aug 17, 2023 | H299352 | |
| Certificate of Analysis | Aug 17, 2023 | H299352 | |
| Certificate of Analysis | Aug 17, 2023 | H299352 | |
| Certificate of Analysis | Aug 17, 2023 | H299352 | |
| Certificate of Analysis | Aug 17, 2023 | H299352 | |
| Certificate of Analysis | Aug 17, 2023 | H299352 | |
| Certificate of Analysis | Aug 17, 2023 | H299352 | |
| Certificate of Analysis | Aug 17, 2023 | H299352 | |
| Certificate of Analysis | Jun 21, 2022 | H299352 | |
| Certificate of Analysis | Jun 21, 2022 | H299352 |
| Melt Point(°C) | 2810°C |
|---|---|
| Molecular Weight | 210.480 g/mol |
| XLogP3 | |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 2 |
| Rotatable Bond Count | 0 |
| Exact Mass | 211.936 Da |
| Monoisotopic Mass | 211.936 Da |
| Topological Polar Surface Area | 34.100 Ų |
| Heavy Atom Count | 3 |
| Formal Charge | 0 |
| Complexity | 18.300 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| The total count of all stereochemical bonds | 0 |
| Covalently-Bonded Unit Count | 1 |