Lithium molybdate
| Identifiers | |
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3D model (JSmol)
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| ChemSpider | |
| ECHA InfoCard | 100.033.601 |
| EC Number |
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PubChem CID
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CompTox Dashboard (EPA)
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| Properties | |
| Li2MoO4 | |
| Molar mass | 173.82 g/mol |
| Appearance | white odorless powder hygroscopic or transparent crystal |
| Density | 3.07 g/cm3 (pure crystal), 2.66 g/cm3 (hydrated crystal) |
| Melting point | 705 °C (1,301 °F; 978 K) |
| very soluble | |
| Hazards | |
| GHS labelling:[1] | |
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| Warning | |
| H315, H319, H335 | |
| P261, P264, P271, P280, P302+P352, P304+P340, P305+P351+P338, P312, P321, P332+P313, P337+P313, P362, P403+P233, P405, P501 | |
| NFPA 704 (fire diamond) | |
| Related compounds | |
Other cations
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sodium molybdate |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Lithium molybdate (Li2MoO4) is a chemical compound. It is mainly used as an inhibitor in some types of industrial air conditioning.
Uses
[edit]Lithium molybdate is used as corrosion inhibitor in LiBr (Lithium bromide) absorption chiller for industrial central air conditioning. It is manufactured and shipped as either a colorless, transparent fluid or a white crystal powder. In either state it not classified as a hazardous material.
Li2MoO4 crystals have been found applicable for cryogenic phonon-scintillation detectors, which are used to investigate some rare nuclear processes.[2] The use of Li2MoO4 ceramics for antennas has been studied due to their low loss dielectric properties and the possibility to fabricate them by a room-temperature densification method instead of conventional sintering.[3] Li2MoO4 (LMO) have also been used with hollow glass microspheres (HGMS) to make low permittivity composite which has been used to make lenses for lens antennas.[4]
References
[edit]- ^ "Lithium molybdate". pubchem.ncbi.nlm.nih.gov.
- ^ Barinova, O. P.; Danevich, F. A.; Degoda, V. Ya.; Kirsanova, S. V.; Kudovbenko, V. M.; Pirro, S.; Tretyak, V. I. (2010-01-21). "First test of Li2MoO4 crystal as a cryogenic scintillating bolometer". Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 613 (1): 54–57. Bibcode:2010NIMPA.613...54B. doi:10.1016/j.nima.2009.11.059.
- ^ Kähäri, Hanna; Ramachandran, Prasadh; Juuti, Jari; Jantunen, Heli (2017). "Room-Temperature Densified Li2MoO4 Ceramic Patch Antenna and the Effect of Humidity". International Journal of Applied Ceramic Technology. 14: 50–55. doi:10.1111/ijac.12615. ISSN 1744-7402.
- ^ Kokkonen, Mikko; Nelo, Mikko; Chen, Jiangcheng; Myllymäki, Sami; Jantunen, Heli (2020). "Low Permittivity Environmentally Friendly Lenses for Ku Band". Progress in Electromagnetics Research Letters. 93: 1–7. doi:10.2528/pierl20060108. S2CID 221461236.
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