Substance profile
Cobaltous carbonate
Cobaltous carbonate is red powder or rhombohedral crystals.
01 · Identification
What Cobaltous carbonate is
Cobaltous carbonate is red powder or rhombohedral crystals. Its molecular formula is CCoO3 and its molecular weight is 118.942 g/mol. It melts at 280 °C.
Under the GHS it carries the signal word Danger.
Other names for Cobaltous carbonate
- cobalt carbonate
02 · GHS classification
Hazards and label elements
Harmonised classification under CLP Annex VI. This is the legally binding classification in the EU; other jurisdictions may differ.
| Code | Hazard statement |
|---|---|
| H350i | May cause cancer by inhalation. |
| H341 | Suspected of causing genetic defects <state route of exposure if it is conclusively proven that no other routes of exposure cause the hazard>. |
| H360F | May damage fertility. |
| H334 | May cause allergy or asthma symptoms or breathing difficulties if inhaled. |
| H317 | May cause an allergic skin reaction. |
| H400 | Very toxic to aquatic life. |
| H410 | Very toxic to aquatic life with long lasting effects. |
Precautionary statements: P201, P261, P272, P273, P280, P308, P313, P333, P391, P501
03 · Physical and chemical properties
Cobaltous carbonate properties
Every value is shown with the conditions it was measured under and the source it came from. Where sources disagree, all values are listed rather than one being picked — the difference is usually a different form of the substance, not an error.
| Property | Value | Conditions | Source |
|---|---|---|---|
| Melting point | 280 °C (536 °F) | decomposes, decomposes | HSDB |
| Red-violet crystals; MP: decomposes; Decomposes in hot water; soluble in acids; insoluble in cold water | decomposes | HSDB | |
| Density | 4.2 g/cm³ | HSDB | |
| 4.2 g/cm³ | at 25 °C | DOE PAC | |
| Solubility | Almost insoluble in water | HSDB | |
| Almost insoluble in alcohol, methyl acetate | HSDB | ||
| In water, 0.00014 g/100 g water at 20 °C | at 20 °C | HSDB |
Values compiled from PubChem Laboratory Chemical Safety Summary. Temperatures converted to Fahrenheit for reference.
04 · Handling and storage
Storing and handling Cobaltous carbonate
Storage conditions
Keep container tightly closed in a dry and well-ventilated place. Air sensitive. /Cobalt(II) carbonate hydrate/
Source: Hazardous Substances Data Bank (HSDB)
Incompatible materials
Incompatible materials: Oxidizing agents. /Cobalt(II) carbonate hydrate/
Source: Hazardous Substances Data Bank (HSDB)
Planning storage for a mix of chemicals? Check Cobaltous carbonate in the storage compatibility matrix →