Rhodium (III) Acetylacetonate

Rhodium Acetylacetonate
Rhodium Acetylacetonate
General
Systematic ; name	Rhodium (III) Acetylacetonate
Traditional names	Rhodium Acetylacetonate; rhodium triacetylacetonate; Rhodium 2,4-pentanedioate
Chem. formula	Rh (C 5 H 7 O 2 ) 3
Rat formula	Rh (CH 3 —CO — CH = CO — CH 3 ) 3
Physical properties
condition	orange red crystals
Molar mass	400.23 g / mol
Thermal properties
T. melt.	260 ° C
T. decomp.	280 ° C
Classification
Smiles

Rhodium (III) acetylacetonate is a chelate compound of rhodium metal and acetylacetone with the formula Rh (C ₅ H ₇ O ₂ ) ₃ , orange-red crystals.

Content

1 Receiving
2 Physical properties
3 Application
4 Literature

Getting

The interaction of aqueous salts of rhodium with acetylacetone in a slightly acidic medium (pH = 4):

{\mathsf {Rh(NO_{3})_{3}+3C_{5}H_{8}O_{2}\ {\xrightarrow {}}\ \ Rh(C_{5}H_{7}O_{2})_{3}+3HNO_{3}}}

{\ displaystyle {\ mathsf {Rh (NO_ {3}) _ {3} + 3C_ {5} H_ {8} O_ {2} \ {\ xrightarrow {}} \ \ Rh (C_ {5} H_ {7} O_ {2}) _ {3} + 3HNO_ {3}}}}

Physical Properties

Rhodium (III) acetylacetonate forms orange-red crystals, insoluble in water, poorly soluble in ethanol , good in benzene and chloroform .

Application

Coating rhodium on metals, ceramics and glass from solution and gas phase.
In analytical chemistry in the determination of rhodium.

Literature

Chemical Encyclopedic Dictionary / Editorial: Knunyants I.L. et al. - M .: Soviet Encyclopedia, 1983. - 792 p.