HuagongsheHuagongshe Chemistry Print Report · For research reference only
HCID 175436073Generated: October 30, 2026
HAFNIUM SULFATE
HAFNIUM SULFATE · HAFNIUM (IV) SULFATE · hafnium bis(sulphate) · HAFNIUM SULFATE, 99.9+% · Hafnium(IV) sulfate,99.90% · sulfuricacid,hafnium(4++)salt(2:1) · Hafnium(IV) sulfate, 99.9% (metals basis excluding Zr), Zr =99.9% trace metals basis (purity excludes 1-2% zirconium)
https://huagongshe.com/en/chemical/175436073
Identifiers & Physical Properties
| CAS No. | 15823-43-5 |
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| Molecular formula | HfO8S2 |
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| Average molar mass | 370.62 g/mol |
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| SMILES | O=S(=O)(O)O.[Hf] |
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| PubChem CID | 175436073 |
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Chemical & Physical Properties
| Melting point | decomposes at >500℃ [MER06] |
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| Density | 3.44 g/cm3 |
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| Physical state | Powder |
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| Color | white crystals, crystalline |
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| Exposure limits | ACGIH: TWA 0.5 mg/m3NIOSH: IDLH 50 mg/m3 |
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| EPA Substance Registry System | Sulfuric acid, hafnium(4+) salt (2:1) (15823-43-5) |
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| UNSPSC Code | 12352302 |
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| NACRES | NA.23 |
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| Water hazard class (WGK) | 3 |
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| TSCA inventory status | TSCA listed |
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Safety & Regulations
| Water hazard class (WGK) | 3 |
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| TSCA inventory status | TSCA listed |
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