Cobalt carbonate
Physical Properties Uses Preparation Reactions Toxicity- Product Name
- Cobalt carbonate
- CAS No.
- 513-79-1
- Chemical Name
- Cobalt carbonate
- Synonyms
- COBALT(II) CARBONATE, BASIC;ci77353;c.i.77353;Nsc112219;cobaltspar;t Carbonate;sphaerocobaltite;COBALT CARBONATE;Cobalt(Ⅱ) carbonate;COBALTOUS CARBONATE
- CBNumber
- CB4118268
- Molecular Formula
- CCoO3
- Formula Weight
- 118.94
- MOL File
- 513-79-1.mol
Cobalt carbonate Property
- Melting point:
- decomposes [KIR79]
- Density
- 4.13 g/mL at 25 °C(lit.)
- vapor pressure
- 0Pa at 20℃
- storage temp.
- under inert gas (nitrogen or Argon) at 2-8°C
- solubility
- insoluble in ethanol
- form
- Powder
- Specific Gravity
- 4.13
- color
- Pink
- Water Solubility
- Insoluble in water, alcohol and methyl acetate.
- Merck
- 14,2436
- Solubility Product Constant (Ksp)
- pKsp: 12.84
- Exposure limits
- ACGIH: TWA 0.02 mg/m3
- Stability:
- Air sensitive. Incompatible with strong oxidizing agents.
- InChI
- InChI=1S/CH2O3.Co/c2-1(3)4;/h(H2,2,3,4);/q;+2/p-2
- InChIKey
- ZOTKGJBKKKVBJZ-UHFFFAOYSA-L
- SMILES
- C([O-])([O-])=O.[Co+2]
- CAS DataBase Reference
- 513-79-1(CAS DataBase Reference)
- EPA Substance Registry System
- Cobalt(II) carbonate (513-79-1)
Safety
- Hazard Codes
- Xn
- Risk Statements
- 22-36/37/38-40-43
- Safety Statements
- 26-36/37
- WGK Germany
- 3
- TSCA
- Yes
- HazardClass
- 9
- HS Code
- 28369930
- Hazardous Substances Data
- 513-79-1(Hazardous Substances Data)
Hazard and Precautionary Statements (GHS)
- Symbol(GHS)
-
- Signal word
- Danger
- Hazard statements
-
H302Harmful if swallowed
H317May cause an allergic skin reaction
H334May cause allergy or asthma symptoms or breathing difficulties if inhaled
H341Suspected of causing genetic defects
H350May cause cancer
H360May damage fertility or the unborn child
H400Very toxic to aquatic life
H410Very toxic to aquatic life with long lasting effects
- Precautionary statements
-
P201Obtain special instructions before use.
P261Avoid breathing dust/fume/gas/mist/vapours/spray.
P280Wear protective gloves/protective clothing/eye protection/face protection.
P284Wear respiratory protection.
P405Store locked up.
N-Bromosuccinimide Price
- Product number
- 011343
- Product name
- Cobalt(II) carbonate, 99% (metals basis), Co 45% min
- Packaging
- 100g
- Price
- $84.1
- Updated
- 2024/03/01
- Product number
- 011343
- Product name
- Cobalt(II) carbonate, 99% (metals basis), Co 45% min
- Packaging
- 500g
- Price
- $198
- Updated
- 2023/06/20
- Product number
- 93-2733
- Product name
- Cobalt(II) carbonate hydrate (99%-Co) (Co min. 45.5%)
- Packaging
- 50g
- Price
- $30
- Updated
- 2024/03/01
- Product number
- 93-2733
- Product name
- Cobalt(II) carbonate hydrate (99%-Co) (Co min. 45.5%)
- Packaging
- 250g
- Price
- $86
- Updated
- 2024/03/01
- Product number
- 042745
- Product name
- Cobalt(II) carbonate, 99.5% (metals basis)
- Packaging
- 50g
- Price
- $85.7
- Updated
- 2024/03/01
Cobalt carbonate Chemical Properties,Usage,Production
Physical Properties
Pink rhombohedral crystals; refractive index 1.855; density 4.13 g/cm3; decomposes on heating; insoluble in water and ethanol; soluble in acids.
Uses
The compound occurs in nature as the mineral cobalt spar or sphaerocobaltite. It is used in ceramics; in cobalt pigments; as a catalyst; as a temperature indicator; and in the preparation of other cobalt(II) salts. It also is added to soil to provide nutritional supplement in forage for cattle.
Preparation
Cobalt carbonate is prepared by heating cobaltous sulfate, cobaltous chloride or any Co2+ salt with sodium bicarbonate in solution:
CoSO4 + NaHCO3→ CoCO3 + NaHSO4
Reactions
Cobalt carbonate dissolves in concentrated HCl or HNO3 when heated, evolving CO2:
CoCO3 + HCl→CoCl2 + CO2 + H2O
It is oxidized by air or weak oxidizing agents, forming cobalt(III) carbonate, Co2(CO3)3. It decomposes on heating, forming the oxides of cobalt with the evolution of CO2.
Toxicity
The compound is moderately toxic by ingestion. (Lewis (Sr.), R. J. 1996. Sax’s Dangerous Properties of Industrial Materials, 9th ed. New York: Van Nostrand Reinhold.)
LD50 oral (rat): 640 mg/kg
Description
Cobalt(II) carbonate, CoCO3, is a reddish paramagnetic solid and an intermediate in the hydrometallurgical purification of cobalt from its ores. It is an inorganic pigment, and a precursor to catalysts. Cobalt(II) carbonate also occurs as the rare red/pink mineral spherocobaltite. It is prepared by combining cobaltous sulfate and sodium bicarbonate solutions.
Chemical Properties
Cobalt carbonate is Violet Powder. Cobalt (II) carbonate hexahydrate on heating becomes anhydrous by 140 °C while the anhydrous cobalt (II) carbonate decomposes at 427 °C before melting into cobalt (II) oxide.
Uses
Cobalt(II) carbonate is precursor to cobalt carbonyl, cobalt salts and blue pottery glazes such as delftware. It is used as an essential element in dietary supplements and also used in the manufacture of paints and pigments.
Application
Cobalt(II) Carbonate is an inorganic compound that is an intermediate in the hydrometallurgical purification of cobalt from its ore. It is also a paramagnetic solid, an inorganic pigment, and a precursor to catalysts.
Application
Cobalt carbonate is a highly effective colourant used in ceramics as a blue colourant in glazes. It is also a common ingredient in ceramic decals. Cobalt mixed with other colourants such as magnesium and added to glazes produces a more violet/reddish blue colour in oxidation/reduction firings. With this colourant, you can produce blue slips if mixed with white clay bodies. By using this, you can obtain various shades of blue in different intensities. In addition, if mixed with iron and manganese in the right proportions, you can obtain an intense black colour. In general, cobalt is a relatively stable colourant in all kiln atmospheres.
Preparation
Cobalt(II) carbonate is prepared by heating cobaltous sulfate, cobaltous chloride or any Co2+ salt with sodium bicarbonate in solution:
CoSO4 + NaHCO3 → CoCO3 + NaHSO4
Flammability and Explosibility
Not classified
Cobalt carbonate Preparation Products And Raw materials
Raw materials
Preparation Products
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View Lastest Price from Cobalt carbonate manufacturers
- Product
- Cobalt carbonate 513-79-1
- Price
- US $6.00/kg
- Min. Order
- 1kg
- Purity
- 99%
- Supply Ability
- 2000KG/Month
- Release date
- 2024-08-05
- Product
- Cobalt carbonate 513-79-1
- Price
- US $6.00/KG
- Min. Order
- 1KG
- Purity
- 99%
- Supply Ability
- 20TONS
- Release date
- 2024-05-27
- Product
- Cobalt carbonate 513-79-1
- Price
- US $30.00-20.00/kg
- Min. Order
- 1kg
- Purity
- 99%
- Supply Ability
- 50MT
- Release date
- 2024-12-04