Potassium hexacyanocobaltate(III)
Synonym(s):Tripotassium hexacyanocobaltate(III)
- CAS NO.：13963-58-1
- Empirical Formula: C6CoKN6(-2)
- Molecular Weight: 254.14
- MDL number: MFCD00011391
- EINECS: 237-742-1
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-28 05:11:07
What is Potassium hexacyanocobaltate(III)?
Chemical properties
moist light yellow crystals
The Uses of Potassium hexacyanocobaltate(III)
It is applied in formation of a xerogel via a cyanogel, the gel has potential use in solid-state gas sensors. It is also used as reagent.
Purification Methods
Crystallise it from water to remove traces of HCN. Its solubility in 87-88% EtOH is 1 in 7500 at 20o. [Glemser in Handbook of Preparative Inorganic Chemistry (Ed. Brauer) Academic Press Vol II p 1542 1965.]
Properties of Potassium hexacyanocobaltate(III)
| Melting point: | decomposes, forming olive green mass [MER06] |
| Density | 1.878 g/mL at 25 °C (lit.) |
| storage temp. | Keep in dark place,Inert atmosphere,Room temperature |
| solubility | very soluble in H2O; insoluble in ethanol |
| form | Crystalline Solid |
| Specific Gravity | 1.906 |
| color | Slightly yellow to light brown |
| Water Solubility | soluble |
| Sensitive | Light Sensitive |
| Merck | 14,7637 |
| Exposure limits | ACGIH: TWA 0.02 mg/m3 NIOSH: IDLH 25 mg/m3 |
| Stability: | Stable. Incompatible with strong oxidizing agents. |
| CAS DataBase Reference | 13963-58-1(CAS DataBase Reference) |
| EPA Substance Registry System | Cobaltate(3-), hexakis(cyano-.kappa.C)-, tripotassium, (OC-6-11)- (13963-58-1) |
Safety information for Potassium hexacyanocobaltate(III)
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07  Health Hazard GHS08 |
| GHS Hazard Statements |
H302:Acute toxicity,oral H317:Sensitisation, Skin H351:Carcinogenicity |
| Precautionary Statement Codes |
P201:Obtain special instructions before use. P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P280:Wear protective gloves/protective clothing/eye protection/face protection. P405:Store locked up. |
Computed Descriptors for Potassium hexacyanocobaltate(III)
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