Hexafluorozirconic acid
Structural formula | |||||||||||||||||||
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General | |||||||||||||||||||
Surname | Hexafluorozirconic acid | ||||||||||||||||||
other names |
Dihydrogen hexafluorozirconate |
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Molecular formula | H 2 [ZrF 6 ] | ||||||||||||||||||
Brief description |
odorless, colorless liquid |
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External identifiers / databases | |||||||||||||||||||
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properties | |||||||||||||||||||
Molar mass | 207.22 g mol −1 | ||||||||||||||||||
Physical state |
liquid |
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density |
1.51 g cm −3 |
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solubility |
Miscible with water |
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safety instructions | |||||||||||||||||||
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Toxicological data | |||||||||||||||||||
As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions . |
Hexafluorozirconic acid , H 2 [ZrF 6 ], is an inorganic acid consisting of the transition metal zirconium and the halogen fluorine . Their salts are the hexafluorozirconates.
use
The acid and its salts are used in metal surface technology.
properties
A 45% aqueous solution of hexafluorozirconic acid is an odorless, colorless liquid. It has a density of 1.51 g · cm −3 . The pH value is <1 at 20 ° C.
safety instructions
The acid is toxic if it comes into contact with skin, swallowed or inhaled . It causes severe burns on the skin. It leaves serious damage to the eyes.
The decomposition produces hydrogen fluoride and zirconium oxides . Strong bases , acids and oxidizing agents cause violent reactions with the acid.
Individual evidence
- ↑ a b Datasheet Hexafluorozirconic acid at SynQuest, accessed March 10, 2019 ( PDF ).
- ↑ a b c d data sheet dihydrogen hexafluorozirconate from AlfaAesar, accessed on March 10, 2019 ( PDF )(JavaScript required) .
- ↑ a b c Entry on hexafluorozirconium (IV) acid in the GESTIS substance database of the IFA , accessed on April 6, 2019 (JavaScript required)
- ↑ Data sheet Hexafluorozirconic acid solution at Santa Cruz Biotechnology, accessed on March 10, 2019 ( PDF ).
- ↑ T. Nakajima, B. Žemva, A. Tressaud: Advanced Inorganic Fluorides: Synthesis, Characterization and Applications . Elsevier, 2000, ISBN 0-08-052548-2 , pp. 668 .
- ↑ a b Datasheet Hexafluorozirconic acid solution at Sigma-Aldrich , accessed on March 10, 2019 ( PDF ).