溴酸盐
(重定向自溴酸鹽)
溴酸盐是溴酸形成的盐类,含有三角锥型的溴酸根离子—BrO3−,其中溴的氧化态为+5。溴酸盐(如溴酸钡、溴酸银等)都可溶于水,一些碱式盐除外。[1]
溴酸盐 | |
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识别 | |
CAS号 | 15541-45-4 ![]() |
PubChem | 84979 |
ChemSpider | 76658 |
SMILES |
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ChEBI | 29223 |
性质 | |
化学式 | BrO3− |
若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。 |
制备
编辑- Br− + O3 → BrO3−
实验室中,溴酸盐可通过将溴单质溶于氢氧化物浓溶液中制得,如:
- Br2 + 2OH− → Br− + BrO− + H2O
- 3BrO− → BrO3−+ 2Br−
安全性
编辑溴酸盐被认为是可能的致癌物质,其中溴酸钾的评级为2B类。[2][3]饮用水在用臭氧消毒时,会将其中的溴化物氧化为溴酸盐。[4]Dasani瓶装水由于检测出有溴酸盐而在英国被产品召回。[5]
参考资料
编辑- ^ Prescott, A.B.; Johnson, O.C. Qualitative Chemical Analysis: A Guide in Qualitative Work, with Data for Analytical Operations and Laboratory Methods in Inorganic Chemistry. D. Van Nostrand Company. 1901: 349 [2021-11-27]. (原始内容存档于2021-11-27).
- ^ Potassium Bromate (Group 2B). International Agency for Research on Cancer: Summaries and Evaluations. Canadian Centre for Occupational Health and Safety. [2008-03-09]. (原始内容存档于2017-06-30).
- ^ Kurokawa, Yuji. Toxicity and carcinogenicity of potassium bromate--a new renal carcinogen. Environmental Health Perspectives. July 1990, 87: 309–335 [2008-03-09]. doi:10.2307/3431039.
- ^ Bromate in Drinking Water - Information Fact Sheet. health.ny.gov. 2017-07 [2024-07-17].
- ^ Coke recalls controversial water. BBC News. 2004-03-19 [2008-03-09].