Lithium hypochlorite is a chemical compound with the chemical formula of LiOCl. It is the lithium salt of hypochlorous acid. It consists of lithium cations (Li+) and hypochlorite anions (−OCl). It is a colorless, crystalline compound. It has been used as a disinfectant for pools, and is also used as a reagent for some chemical reactions.
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| ECHA InfoCard | 100.034.130 | ||
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| Properties | |||
| LiOCl | |||
| Molar mass | 58.39 g·mol−1 | ||
| Appearance | Colorless or white crystalline solid | ||
| Odor | chlorine-like odor | ||
| Density | 0.531 g/cm3 (20 °C) | ||
| Melting point | 135 °C (275 °F; 408 K) | ||
| Boiling point | 1,336 °C (2,437 °F; 1,609 K) | ||
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Other anions
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| > 180 °C (356 °F; 453 K) | |||
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Safety
editDoses of 500 mg/kg cause detrimental clinical signs and significant mortality in rats.[1] The use of chlorine-based disinfectants in domestic water, although widespread, has led to some controversy because of the formation of small quantities of harmful byproducts such as chloroform. Studies showed no uptake of lithium if pools with lithium hypochlorite have been used.[2]
Use in swimming pools
editLithium hypochlorite has been used as a fast-acting disfinectant for vinyl swimming pools. However, due to the increasing demand for lithium in lithium-ion batteries, manufacturers have stopped producing lithium hypochlorite, making it much harder to find these days.[3]
See also
editReferences
edit- ^ Hoberman A. M.; Deprospo J. R.; Lochry E. A.; Christian M. S. (1990). "Developmental toxicity study of orally administered lithium hypochlorite in rats". Journal of the American College of Toxicology. 9 (3): 367–379. doi:10.3109/10915819009078746. S2CID 97957731.
- ^ McCarty J. D.; Carter S. P.; Fletcher M. J.; Reape M. J. (1994). "Study of lithium absorption by users of spas treated with lithium ion". Hum Exp Toxicol. 13 (5): 315–9. doi:10.1177/096032719401300506. PMID 8043312. S2CID 27971592.
- ^ "Pool Shock - What YOU Need to Know | Leisure Pool & Spa Supply". Leisure Pool & Spa Supply, Inc. 2019-06-19. Retrieved 2024-07-07.
- Weiner ML, Batt KJ, Putman DL, Curren RD, Yang LL (1990). "Genotoxicity evaluation of lithium hypochlorite". Toxicology. 65 (1–2): 1–22. doi:10.1016/0300-483X(90)90075-R. PMID 2274961.
- Davies NL (1991). "Lithium toxicity in two dogs". J. S. Afr. Vet. Assoc. 62 (3): 140–142. doi:10.4102/jsava.v62i3.1771. PMID 1770485.
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