cobalt trichloride Property

Density 

2.940

EPA Substance Registry System

Cobalt chloride (CoCl3) (10241-04-0)

Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Danger

Hazard statements

H300Fatal if swallowed

H330Fatal if inhaled

Precautionary statements

P260Do not breathe dust/fume/gas/mist/vapours/spray.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P270Do not eat, drink or smoke when using this product.

P271Use only outdoors or in a well-ventilated area.

P284Wear respiratory protection.

P301+P310IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician.

P304+P340IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.

P310Immediately call a POISON CENTER or doctor/physician.

P320Specific treatment is urgent (see … on this label).

P321Specific treatment (see … on this label).

P330Rinse mouth.

P403+P233Store in a well-ventilated place. Keep container tightly closed.

P405Store locked up.

P501Dispose of contents/container to..…

cobalt trichloride Chemical Properties,Usage,Production

Description

Cobalt(III) chloride is of very dubious existence and the bromide and iodide have never been prepared. These halides are expectedly redox unstable, the Co3+ ion being a strong oxidant. Dissolution of cobalt(III) oxide in hydrochloric acid leads to evolution of chlorine. Indeed cobalt(III) compounds are estimated volumetrically as a result of their liberation of iodine from potassium iodide in acid solution.

Chemical Properties

Cobalt(III) chloride or cobaltic chloride, CoCl3, is an unstable and elusive compound. In this compound, the cobalt atoms have a formal charge of 13. The compound has been described to occur in the gas phase at high temperatures, in equilibrium with cobalt(II) chloride and chlorine gas. It has also been observed to be stable at very low temperatures, dispersed in a frozen argon matrix.

Preparation

CoCl3 was found in 1952 by Scha¨fer and Krehl in the gas phase when cobalt(II) chloride CoCl2 was heated in an atmosphere of chlorine Cl2. The trichloride is formed via the equilibrium reaction.
2CoCl2 + Cl2→2CoCl3