Cobalt oxide
Cobalt oxide
CAS: 1307-96-6;11104-61-3
Molecular Formula: CoO
Cobalt oxide - Names and Identifiers
| Name | Cobalt oxide |
| Synonyms | oxocobalt C.I. 77322 Cobalt oxide Cobalt monoxide Cobaltous oxide Cobalt(II) oxide cobalt(2+),oxygen(2-) C.I. Pigment Black 13 cobaltous oxygen(-2) anion cobalt(2+),oxygen(2 oxygen(2-) |
| CAS | 1307-96-6 11104-61-3 |
| EINECS | 234-334-5 |
| InChI | InChI=1/Co.O/q+2;-2 |
Cobalt oxide - Physico-chemical Properties
| Molecular Formula | CoO |
| Melting Point | 1785℃ |
| Water Solubility | insoluble |
| Physical and Chemical Properties | Properties Pink cubic powder. melting point (1795±20)℃ relative density 6.45 solubility: soluble in acid, insoluble in water, alcohol, ammonia. Pink cubic powder. The relative density was 6.45. Melting point (1795±20) °c. Soluble in acid, insoluble in water, alcohol, ammonia. It is easily reduced to metallic cobalt by carbon monoxide. It is easy to react with silica, alumina or zinc oxide at high temperature to form various pigments. |
| Use | Used for making paint pigment, ceramic glaze and cobalt catalyst, etc. mainly used as glass, enamel, ceramics, magnetic materials, etc, cobalt green color colorant, Catalyst, livestock nutrition agent. It is also used for the preparation of cobalt salts. |
Cobalt oxide - Risk and Safety
| Hazard Symbols | Xn - Harmful N - Dangerous for the environment  |
| Risk Codes | R22 - Harmful if swallowed R43 - May cause sensitization by skin contact R50/53 - Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. |
| Safety Description | S24 - Avoid contact with skin. S37 - Wear suitable gloves. S60 - This material and its container must be disposed of as hazardous waste. S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. |
| UN IDs | UN 3288 |
Cobalt oxide - Upstream Downstream Industry
| Raw Materials | Ammonium hydroxide Oxalic acid Sodium carbonate Cobalt Sulfuric acid Sodium hydroxide Nitric acid |
Cobalt oxide - Nature
Open Data Verified Data
black-gray powder. The relative density of 5.7 ~ 6.7I melting point (1795±20)℃. Soluble in acid, insoluble in water, alcohol, ammonia.
Last Update：2024-01-02 23:10:35
Cobalt oxide - Preparation Method
Open Data Verified Data
Cobalt oxalate was prepared by a precipitation reaction between a cobalt nitrate solution and an ammonium oxalate solution. After filtration and washing, cobalt oxide was prepared by roasting an oxalic acid drill.
Last Update：2022-01-01 08:54:32
Cobalt oxide - Use
Open Data Verified Data
used in semiconductor industry, electronic ceramics and other fields, can be used as varistor, thermistor, Lightning arrester and picture tube glass shell.
Last Update：2022-01-01 08:54:32
Cobalt oxide - Safety
Open Data Verified Data
rat oral LDso:1.70g/kg. Inhalation of cobalt oxide dust can cause acute poisoning, the emergence of bronchial asthma. The maximum allowable concentration in air is 0.5 mg/m3. Staff should be protected. Do not contact with acids. When loading and unloading should be light to prevent packaging damage. When there is a fire, it can be suppressed by water, sand and various kinds of fire extinguisher.
Last Update：2022-01-01 08:54:33
Cobalt oxide - Reference Information
| chemical properties | pink cubic crystal powder. Soluble in acid, insoluble in water, alcohol, ammonia. |
| use | used to make paint pigments, ceramic glazes and cobalt catalysts |
| EPA chemical information | information provided by: ofmpub.epa.gov (external link) |
Last Update：2024-04-09 19:05:04
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Raw Materials for Cobalt oxide