COBALT (IV) SULFIDE

Synonym(s):Cobalt disulfide;Cobalt(IV) sulfide

CAS NO.：12013-10-4
Empirical Formula: CoS2
Molecular Weight: 123.05
MDL number: MFCD00064735
EINECS: 682-014-2
SAFETY DATA SHEET (SDS)
Update Date: 2026-05-28 02:29:03

What is COBALT (IV) SULFIDE?

Chemical properties

black cub; -200 mesh with 99.5% purity [CRC10] [CER91]

The Uses of COBALT (IV) SULFIDE

Cobalt(IV) sulfide is a promising battery electrode material exhibiting good electrochemical properties for lithium sulfur batteries, thermal batteries and lithium ion secondary battery.

General Description

This product has been enhanced for energy efficiency.

Properties of COBALT (IV) SULFIDE

Melting point:	decomposes at 269℃ [CRC10]
Density	4.300
RTECS	GG3310000
form	Powder
color	Black
Water Solubility	Slightly soluble in acid. Insoluble in water.
Solubility Product Constant (Ksp)	pKsp: α-CoS: 20.4; β-CoS: 24.7
Exposure limits	ACGIH: TWA 0.02 mg/m3
EPA Substance Registry System	Cobalt sulfide (CoS2) (12013-10-4)

Safety information for COBALT (IV) SULFIDE

Signal word	Warning
Pictogram(s)	Exclamation Mark Irritant GHS07 Environment GHS09
GHS Hazard Statements	H317:Sensitisation, Skin H400:Hazardous to the aquatic environment, acute hazard
Precautionary Statement Codes	P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P272:Contaminated work clothing should not be allowed out of the workplace. P273:Avoid release to the environment. P280:Wear protective gloves/protective clothing/eye protection/face protection. P302+P352:IF ON SKIN: wash with plenty of soap and water. P333+P313:IF SKIN irritation or rash occurs: Get medical advice/attention.