Rhodium oxide

Base Information

• Chemical Name: Rhodium oxide
• CAS No.: 12036-35-0
• Molecular Formula: Rh2O3
• Molecular Weight: 253.81
• Hs Code.: 28259085
• Mol file: 12036-35-0.mol

Synonyms:Rhodium(III) oxide anhydrous;Rhodium(III) oxide anhydrate;Rhodium (III) oxide;

Chemical Property of Rhodium oxide

Chemical Property:

• Appearance/Colour: yellow powder
• Melting Point: 1100 °C (dec.)
• PSA: 0.00000
• Density: 8.2 g/mL at 25 °C(lit.)
• LogP: -0.35640
• Storage Temp.: under inert gas (nitrogen or Argon) at 2-8°C
• Sensitive.: Hygroscopic
• Water Solubility.: Insoluble in water, acetone, conc. Hydrochloric acid, Nitric acid, Aqua regia.

Purity/Quality:

99% ^*data from raw suppliers

Rhodium(III) oxide, anhydrous (99.9%-Rh) ^*data from reagent suppliers

Safty Information:

• Pictogram(s): O, Xi
• Hazard Codes: O;Xi,Xi,O
• Statements: 36/38-8
• Safety Statements: 22-24/25-37/39-26-17

MSDS Files:

SDS file from LookChem

Useful:

• Uses: Rh2O3 is used to make rhodium metal and its various salts. Also, the oxide is a catalyst for hydrogenation. Use in the catalytic converters of automobiles. It is also used as an industrial catalyst in the manufacturing of chemical intermediates such as oxo-alcohols, as well as nitric acid and ethanoic (acetic) acid production. It is also an area of interest for new capacitor electrode material researchers, dynamic random access memory (DRAMs) and non volatile random access memories (FeRAMs) makers.
• Physical properties: Gray crystalline solid or amorphous powder; corundum-type structure; density 8.20 g/cm3; decomposes at about 1,100 to 1,150°C; insoluble in water, acids, or aqua regia.The pentahydrate Rh2O3?5H2O is a yellow precipitate; soluble in acids; partially dissolves in hot water; ignites to form anhydrous oxide.The trihydrate Rh2O3?3H2O is a black precipitate; insoluble in acids.

Technology Process of Rhodium oxide

There total 8 articles about Rhodium oxide which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield:

rhodium (378784-00-0,7440-16-6) → rhodium oxide (12036-35-0,12680-36-3)

Guidance literature:

With air or O₂; In not given;

Reference yield:

rhodium(III) oxide trihydrate → rhodium oxide (12036-35-0,12680-36-3)

Guidance literature:

In not given; thermal decomposition;;

Reference yield:

rhodium(III) oxide → rhodium oxide (12036-35-0,12680-36-3) + oxygen (80937-33-3)

Guidance literature:

In not given; thermal dissociation; equilibrium;;

upstream raw materials:

rhodium

oxygen

carbon dioxide

carbon dioxide

Refernces

• 1、 Jiang, Ling,Teng, Yun-Lei,Xu, Qiang. "Infrared spectroscopic and density functional theory study on the reactions of rhodium and cobalt atoms with carbon dioxide in rare-gas matrixes". . p. 7793 - 7799. Retrieved 2008/10/09.