Other grades of this product :
| Cobalt nitrate Basic information | | Uses |
| Cobalt nitrate Chemical Properties |
| Melting point | decomposes at 100–105℃ [MER06] | | Boiling point | 2900 °C(lit.) | | density | 1.03 g/mL at 25 °C | | vapor pressure | 0Pa at 20℃ | | Fp | 4°C (Toluene) | | solubility | H2O: soluble | | form | wire | | Water Solubility | g/100g solution H2O: 45.66 (0°), 50.5 ± 0.2 (25°C), 77.21 (91°C); solid phase, Co(NO3)2 ·6H2O (0°C, 25°C), Co(NO3)2 · 3H2O (91°C) [KRU93] | | Merck | 13,2469 | | CAS DataBase Reference | 10141-05-6(CAS DataBase Reference) | | EPA Substance Registry System | Cobalt(II) nitrate (10141-05-6) |
| Cobalt nitrate Usage And Synthesis |
| Uses | Cobalt nitrate is used in the decoration of porcelain and stones; in the manufacture of invisible inks and cobalt pigments; in hair dyes; in animal feeds; as an additive to soils; in catalysts preparation; and in vitamin supplements.
| | Chemical Properties | Red crystals. Deliquescent in moist air.
Soluble
in most organic solvents. | | Physical properties | The hexahydrate is red monoclinic crystal; deliquescent in moist air; density 1.87 g/cm3; decomposes at 55°C, losing three molecules of water; decomposes to green cobalt(II) oxide on further heating at 74°C; very soluble in water (134 g/100mL at 0°C); also soluble in alcohols and acetone. The anhydrous salt is pale red powder; density 2.49 g/cm3; decomposes around 100°C; soluble in water. | | Uses | Sympathetic inks, cobalt pigments, catalysts,
additive to soils and animal feeds, vitamin preparations, hair dyes, porcelain decoration. | | Uses | Cobalt(II) Dinitrate is mainly reduced to metallic high purity cobalt used for catalysis reactions. | | Definition | ChEBI: A cobalt salt in which the cobalt metal is in the +2 oxidation state and the counter-anion is nitrate. | | Preparation | Cobalt(II) nitrate is prepared by treating the metal, or its oxide, hydroxide or carbonate with dilute nitric acid. The solution on evaporation yields red crystals of hexahydrate: Co + 2HNO3 → Co(NO3)2 + H2 Co(OH)2+ 2HNO3 → Co(NO3)2 + 2H2O CoCO3+ 2HNO3→ Co(NO3)2 + CO2 + H2O. | | General Description | Odorless red solid. Sinks and mixes with water. | | Air & Water Reactions | Water soluble. | | Reactivity Profile | Mixtures of metal/nonmetal nitrates with alkyl esters may explode, owing to the formation of alkyl nitrates; mixtures a nitrate with phosphorus, tin (II) chloride or other reducing agents may react explosively [Bretherick, 1979 p. 108-109]. | | Hazard | Oxidizing agent, dangerous fire risk in contact with organic materials. | | Health Hazard | Inhalation causes shortness of breath and coughing; permanent disability may occur. Ingestion causes pain and vomiting. Contact with eyes or skin causes irritation. | | Flammability and Explosibility | Notclassified |
| Cobalt nitrate Preparation Products And Raw materials |
|
日本语
한국어
Français
Deutsch
España
Türkiye