For faster navigation, this Iframe is preloading the Wikiwand page for 碘酸鈣.

碘酸鈣

碘酸钙
IUPAC名
Calcium iodate
英文名 Calcium iodate
识别
CAS号 7789-80-2(无水)  ☒N
10031-33-1(六水)  ☒N
PubChem 24619
ChemSpider 23021
SMILES
 
  • [Ca+2].[O-]I(=O)=O.[O-]I(=O)=O
InChI
 
  • 1/Ca.2HIO3/c;2*2-1(3)4/h;2*(H,2,3,4)/q+2;;/p-2
InChIKey UHWJJLGTKIWIJO-NUQVWONBAT
EC编号 232-191-3
性质
化学式 Ca(IO3)2
摩尔质量 389.88 g·mol⁻¹
外观 无色斜方结晶或白色结晶
密度 4.519g/cm3(一水)
熔点 540℃(一水)
沸点 783℃
溶解性 0.09g/100ml(0℃)
0.24g/100ml(20℃)
0.67g/100ml(90℃)
危险性
闪点 不可燃
相关物质
其他阴离子 碳酸钙
硫酸钙
氯化钙
其他阳离子 碘酸钾
碘酸
若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。

碘酸钙(化学式:Ca(IO3)2)是一种无机化合物。在智利阿他加马沙漠发现。[1]

制取

[编辑]

酸性条件下被氯酸钾氧化成碘酸氢钾:

2KClO3 + HCl + I2KIO3·HIO3 + Cl2↑ + KCl

氢氧化钾中和后,与氯化钙反应生成碘酸钙。

KIO3·HIO3 + KOH → 2KIO3 + H2O
2KIO3 + CaCl2Ca(IO3)2↓+2KCl

产生的氯气用氢氧化钾溶液中和后再利用[2]

Cl2 + 2KOHKCl + KClO3 + H2O

用途

[编辑]

可以用作软膏剂杀菌剂[1]除臭剂。也可以作为饲料的碘补充剂[3][4]

注释

[编辑]
  1. ^ 1.0 1.1 Lyday, Phyllis A.; Kaiho, Tatsuo, Iodine and Iodine Compounds, Ullmann's Encyclopedia of Industrial Chemistry, Weinheim: Wiley-VCH: 1–13, 2005, doi:10.1002/14356007.a14_381.pub2 
  2. ^ 碘酸钙的制备及含量测定 - 豆丁网. (原始内容存档于2015-02-12) (中文(简体)). 
  3. ^ Parvinzadeh Gashti, Mazeyar; Dehghan, Naeemeh. Gel diffusion-inspired biomimetic calcium iodate/gelatin composite particles: Structural characterization and antibacterial activity. Journal of Solid State Chemistry. 1 May 2020, 285: 121262. Bibcode:2020JSSCh.28521262P. S2CID 214355729. doi:10.1016/j.jssc.2020.121262. 
  4. ^ 飼料添加物一覧 - 独立行政法人農林水産消費安全技術センター(FAMIC). (原始内容存档于2015-02-12) (日语). 

参考文献

[编辑]
{{bottomLinkPreText}} {{bottomLinkText}}
碘酸鈣
Listen to this article

This browser is not supported by Wikiwand :(
Wikiwand requires a browser with modern capabilities in order to provide you with the best reading experience.
Please download and use one of the following browsers:

This article was just edited, click to reload
This article has been deleted on Wikipedia (Why?)

Back to homepage

Please click Add in the dialog above
Please click Allow in the top-left corner,
then click Install Now in the dialog
Please click Open in the download dialog,
then click Install
Please click the "Downloads" icon in the Safari toolbar, open the first download in the list,
then click Install
{{::$root.activation.text}}

Install Wikiwand

Install on Chrome Install on Firefox
Don't forget to rate us

Tell your friends about Wikiwand!

Gmail Facebook Twitter Link

Enjoying Wikiwand?

Tell your friends and spread the love:
Share on Gmail Share on Facebook Share on Twitter Share on Buffer

Our magic isn't perfect

You can help our automatic cover photo selection by reporting an unsuitable photo.

This photo is visually disturbing This photo is not a good choice

Thank you for helping!


Your input will affect cover photo selection, along with input from other users.

X

Get ready for Wikiwand 2.0 🎉! the new version arrives on September 1st! Don't want to wait?