Cerium (III) hydroxide

Crystal structure
__  Ce 3+      __  OH -
General
Surname	Cerium (III) hydroxide
other names	Certrihydroxide
Ratio formula	Ce (OH) 3
Brief description	white solid
External identifiers / databases
CAS number 15785-09-8 EC number 239-881-3 ECHA InfoCard 100.036.241 PubChem 85102 Wikidata Q4138121
properties
Molar mass	191.14 g mol −1
Physical state	firmly
density	4.59 g cm −3
solubility	practically insoluble in water soluble in acids
safety instructions
GHS hazard labeling no classification available
As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions .

Cerium (III) hydroxide is an inorganic chemical compound of cerium from the group of hydroxides .

Extraction and presentation

Cerium (III) hydroxide can be obtained by reacting cerium (III) nitrate with ammonium hydroxide.

It can also be prepared by dissolving cerium (III) oxide in acids and reacting with sodium hydroxide .

It is also formed when cerium reacts with water.

${\displaystyle \mathrm {2\ Ce+6\ H_{2}O\longrightarrow 2\ Ce(OH)_{3}\downarrow +\ 3\ H_{2}\uparrow } }$

properties

Cerium (III) hydroxide is a white jelly-like solid that can be colored yellow, brown or pink due to impurities. It is practically insoluble in water and turns purple when exposed to air. It has a crystal structure of the uranium (III) chloride type.

use

Cerium (III) hydroxide is used for the production of cerium, cerium salts and as an additive for reaction resins.

Related links

• Cerium (IV) hydroxide , Ce (OH) ₄

Individual evidence

1. ↑ ^{a b c d e f} Dale L. Perry: Handbook of Inorganic Compounds, Second Edition . CRC Press, 2016, ISBN 978-1-4398-1462-8 , pp. 107 ( limited preview in Google Book search).
2. ↑ springer.com: Ce (OH) 3 Crystal Structure - SpringerMaterials , accessed November 5, 2016
3. ↑ This substance has either not yet been classified with regard to its hazardousness or a reliable and citable source has not yet been found.
4. ↑ ^{a b} Suryadevara Babu: Advances in Chemical Mechanical Planarization (CMP) . Woodhead Publishing, 2016, ISBN 978-0-08-100218-6 , pp. 245 ( limited preview in Google Book Search).
5. ^ George K. Schweitzer, Lester L. Pesterfield: The Aqueous Chemistry of the Elements . Oxford University Press, 2010, ISBN 978-0-19-974219-6 , pp. 269 ( limited preview in Google Book search).
6. ↑ M. Anis-ur-Rehman, A. Abdullah: Synthesis and Structural Properties of Ce (OH) 3 for Useful Applications. In: Journal of Superconductivity and Novel Magnetism. 24, 2011, p. 1095, doi : 10.1007 / s10948-010-0988-1 .
7. ↑ pilgaard elements: Cerium: Chemical reactions | Pilgaard Elements , accessed November 5, 2016
8. ↑ ^{a b} Jane E. Macintyre: Dictionary of Inorganic Compounds . CRC Press, 1992, ISBN 978-0-412-30120-9 , pp. 2820 ( limited preview in Google Book search).