Lithium molybdate
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| General | |||||||||||||||||||
| Surname | Lithium molybdate | ||||||||||||||||||
| other names |
Dilithium molybdate |
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| Molecular formula | Li 2 MoO 4 | ||||||||||||||||||
| Brief description |
off-white powder |
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| properties | |||||||||||||||||||
| Molar mass | 173.82 g mol −1 | ||||||||||||||||||
| Physical state |
firmly |
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| density |
2.66 g cm −3 |
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| Melting point |
705 ° C |
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| solubility |
Soluble in water |
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| safety instructions | |||||||||||||||||||
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| As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions . | |||||||||||||||||||
Lithium molybdate , Li 2 MoO 4 is a chemical compound of lithium from the group of molybdates .
Extraction and presentation
Dissolved lithium hydroxide reacts with molybdenum (VI) oxide to form lithium molybdate.
The reaction cannot take place with undissolved lithium hydroxide.
use
The compound is used for steel coating and as a petroleum cracking catalyst.
properties
The melting point of the salt is 705 ° C and the density is 2.66 g · cm −3 . It has a phenakite-like structure.
safety instructions
The salt can cause severe irritation to the skin, respiratory tract and eyes.
Lithium molybdate reacts violently with strong acids and bases .
literature
- PAGO'Hare, Kenneth J. Jensen, HR Hoekstra: Thermochemistry of molybdates IV. Standard enthalpy of formation of lithium molybdate, thermodynamic properties of the aqueous molybdate ion, and thermodynamic stabilities of the alkali-metal molybdates . Elsevier, July 1974, doi : 10.1016 / 0021-9614 (74) 90118-9 .
Individual evidence
- ↑ a b c d e f data sheet Lithium molybdenum oxide at AlfaAesar, accessed on March 15, 2019 ( PDF )(JavaScript required) .
- ↑ a b c d e data sheet lithium molybdate from Sigma-Aldrich , accessed on March 15, 2019 ( PDF ).
- ^ A b Thomas WS Yip, Edmund J. Cussen, Claire Wilson: Spontaneous formation of crystalline lithium molybdate from solid reagents at room temperature . In: Dalton Transactions . 2010, doi : 10.1039 / b908266b .
- ↑ Dale L. Perry: Handbook of Inorganic Compounds . Ed .: Sidney L. Phillips. CRC Press, 1995, ISBN 0-8493-8671-3 , pp. 227 .