Calcium perchlorate
| Structural formula | ||||||||||
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| General | ||||||||||
| Surname | Calcium perchlorate | |||||||||
| other names |
Calcium perchlorate |
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| Molecular formula | Ca (ClO 4 ) 2 | |||||||||
| Brief description |
white solid |
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| External identifiers / databases | ||||||||||
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| properties | ||||||||||
| Molar mass | 238.98 g mol −1 | |||||||||
| Physical state |
firmly |
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| density |
2.651 g cm −3 |
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| Melting point |
270 ° C (decomposition) |
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| solubility |
Easily soluble in water (1886.0 g l −1 , 25 ° C), ethanol and methanol |
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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 . | ||||||||||
Calcium perchlorate is a chemical compound from the group of calcium compounds and perchlorates .
Occurrence
Calcium perchlorate was discovered next to water by the Mars rover Curiosity in the Martian soil.
Extraction and presentation
Calcium perchlorate can be obtained by reacting calcium carbonate with ammonium perchlorate .
properties
Calcium perchlorate is a very reactive, fire-promoting solid that is easily soluble in water.
use
Calcium perchlorate is used in flares.
Individual evidence
- ↑ a b c d e Entry for CAS no. 13477-36-6 in the GESTIS substance database of the IFA , accessed on January 25, 2012(JavaScript required) .
- ↑ Data sheet Calcium perchlorate (PDF) from Strem, accessed on December 25, 2012.
- ↑ Helmut Vogt, Jan Balej, John E. Bennett, Peter Wintzer, Saeed Akbar Sheikh, Patrizio Gallone, Subramanyan Vasudevan, Kalle Pelin: Chlorine Oxides and Chlorine Oxygen Acids . In: Ullmann's Encyclopedia of Industrial Chemistry . 2000, doi : 10.1002 / 14356007.a06_483.pub2 .
- ↑ David R. Lide (Ed.): CRC Handbook of Chemistry and Physics . 90th edition. CRC Press, 2009, ISBN 978-1-4200-9084-0 .
- ↑ a b Data sheet Calcium perchlorate tetrahydrate, 99% from Sigma-Aldrich , accessed on January 25, 2012 ( PDF ).
- ↑ heise online: Curiosity finds evidence of liquid water on Mars , accessed on April 13, 2015
- ↑ Earl L. Hagström, Brian Scott Aikin: Perchlorate: a scientific, legal, and economic assessment . Lawyers and Judges Publishing, 2006, ISBN 978-1-930056-84-8 , pp. 6 ( limited preview in Google Book search).