Cobalt Carbonate, Cobaltous Carbonate, Cobalt Carbonate Hydrate, Cobaltous Carbonate Hydrate, 513-79-1

Cobalt Carbonate, Cobaltous Carbonate, Cobalt Carbonate Hydrate, Cobaltous Carbonate Hydrate, 513-79-1

PRODUCT NAME: COBALT CARBONATE

CHEMICAL STRUCTURE

        O
        ||
    Co²⁺ — O—C—O⁻
             |
             O⁻

    Cobalt Carbonate (CoCO₃)
    Ionic Structure

Molecular Formula: CoCO₃
SMILES: C(=O)([O-])[O-].[Co+2]
InChI: InChI=1S/CH2O3.Co/c2-1(3)4;/h(H2,2,3,4);/q;+2/p-2
Crystal System: Hexagonal (calcite structure)

SECTION 1: CHEMICAL IDENTITY AND DEFINITION

SECTION 2: PHYSICAL AND CHEMICAL PROPERTIES

SECTION 3: CHEMICAL PROPERTIES AND REACTIVITY

SECTION 4: COMPARISON OF COMMON COBALT COMPOUNDS

SECTION 5: PRODUCTION METHODS

Method 1: Precipitation Method (Most Common Industrial Method)

• Reaction: CoCl₂ + Na₂CO₃ → CoCO₃ + 2NaCl

• Reaction: CoSO₄ + Na₂CO₃ → CoCO₃ + Na₂SO₄

• Description: Cobalt salt (chloride or sulfate) solution is reacted with sodium carbonate or ammonium carbonate solution; Cobalt carbonate precipitate is formed; Product obtained by filtration, washing and drying; Most common industrial production method

Method 2: Precipitation with Ammonium Carbonate

• Reaction: CoCl₂ + (NH₄)₂CO₃ → CoCO₃ + 2NH₄Cl

• Description: Cobalt chloride solution is reacted with ammonium carbonate solution; High-purity cobalt carbonate is produced

Method 3: Reaction with Carbon Dioxide

• Reaction: Co(OH)₂ + CO₂ → CoCO₃ + H₂O

• Description: Carbon dioxide gas is passed through a cobalt hydroxide suspension; Cobalt carbonate precipitate is formed; Used for specialized applications

Method 4: Synthesis from Cobalt Oxide

• Reaction: CoO + CO₂ → CoCO₃ (under high pressure)

• Description: Cobalt oxide is reacted with carbon dioxide under high pressure; Used for specialized applications

SECTION 6: FUNCTIONAL PROPERTIES AND MECHANISM OF ACTION

SECTION 7: MAIN APPLICATION AREAS

SECTION 8: QUALITY SPECIFICATIONS (TECHNICAL GRADE)

SECTION 9: TOXICOLOGICAL PROFILE

SECTION 10: GHS CLASSIFICATION AND LABELING

GHS Classification (Compliant with CLP and UN GHS):

Signal Word: DANGER

Hazard Pictograms: GHS08 (Health Hazard), GHS07 (Exclamation Mark), GHS09 (Environment)

Hazard Statements (H-Codes):

NFPA 704 Hazard Classification:

SECTION 11: PRECAUTIONARY STATEMENTS (P-CODES)

SECTION 12: FIRST AID MEASURES

SECTION 13: FIREFIGHTING MEASURES

SECTION 14: STORAGE AND SHELF LIFE

SECTION 15: PACKAGING OPTIONS

SECTION 16: TRANSPORT INFORMATION

SECTION 17: REGULATORY STATUS

SECTION 18: OTHER NAMES AND SYNONYMS

SECTION 19: SUMMARY TABLE

SECTION 20: CRITICAL WARNINGS AND BEST PRACTICES

CRITICAL WARNINGS:

• Harmful if swallowed (H302). Harmful if inhaled (H332). Avoid ingestion and inhalation.

• Suspected carcinogen (H350i). Cobalt salts are possibly carcinogenic to humans. Avoid inhalation exposure.

• May cause allergy or asthma symptoms or breathing difficulties if inhaled (H334). Respiratory sensitizer. Use appropriate respiratory protection.

• May cause allergic skin reaction (H317). Skin sensitizer. Avoid skin contact.

• May damage fertility or the unborn child (H360F/H361). Handle with extreme caution.

• Suspected of causing genetic defects (H341). Avoid exposure.

• Causes serious eye irritation (H319). Use eye protection.

• Very toxic to aquatic life (H400). Prevent environmental release. Do not discharge into water sources.

• Not combustible but decomposes at high temperatures releasing toxic cobalt oxide fumes and carbon dioxide.

• Releases CO₂ gas upon contact with acids. Exercise caution when using with acids.

• Incompatibilities: Keep away from strong oxidizing agents, strong acids, and alkali metals.

• Insoluble in water but soluble in acids.

• Sensitization Risk: Once sensitized to cobalt, even very low level exposure can trigger severe allergic reactions (asthma, dermatitis). Symptoms may be delayed for several hours.

• Hygiene Requirement: Contaminated clothing should not be allowed out of the workplace.

BEST PRACTICE RECOMMENDATIONS:

• Ceramic and Glass Industry: Converts to cobalt oxide during thermal treatment, creating blue and pink colors; Use as pigment in ceramic glazes and porcelain decoration; High-temperature stability makes it ideal for high-fire ceramics; Control particle size for consistent color development.

• Catalyst Production: Use as catalyst and catalyst precursor for oxidation reactions and chemical synthesis; High catalytic activity and thermal stability.

• Battery Production: Use as precursor for lithium-ion battery cathode materials (NCM, LCO); Provides high-purity cobalt source; Maintain strict purity specifications for battery grade; Carefully control iron, copper, nickel, and calcium levels.

• Electroplating: Use in electroplating baths for corrosion-resistant coatings; Control bath concentrations for consistent plating quality; Ensure proper waste treatment and recycling.

• Magnetic Material Production: Use in magnetic alloy production; Plays a role in the production of high-strength magnetic materials.

• Handling: Use in well-ventilated areas or under fume hoods; Avoid creating dust; Use enclosed, controlled processes where possible; Wear chemical-resistant gloves, protective goggles, face shield, and appropriate respiratory protection.

• Personal Protective Equipment: Wear impermeable gloves (butyl rubber, neoprene, nitrile), chemical safety goggles, full-face shield, protective clothing, and NIOSH-approved particulate filter respirator.

• Hygiene: Do not eat, drink, or smoke when using; Wash hands thoroughly after handling; Do not take contaminated working clothes home; Shower at the end of the work shift.

• Storage: Store in tightly closed, properly labeled containers in dry conditions; Keep away from heat, direct sunlight, and incompatible substances; Store in area without drain or sewer access.

• Spill Response: Avoid raising dust; Wear full PPE; Moisten first to prevent dusting; Sweep spilled substance into covered containers; Carefully collect remainder; Do not allow to enter drains or waterways; Place in properly labeled closed containers; Use vacuum system with HEPA filter if possible.

• Disposal: Dispose of in accordance with local, regional, and national regulations; Do not discharge into sewers or water sources; Cobalt compounds are regulated as hazardous waste; Ensure waste container disposal complies with environmental regulations.

SPECIAL NOTE ON THERMAL DECOMPOSITION:

Cobalt carbonate undergoes an important transformation during thermal treatment:

• Decomposition Reaction: CoCO₃ → CoO + CO₂ (250-400°C)

• Color Change: Pink → Greenish-black (cobalt oxide formation)

• Application: This transformation creates blue and pink colors in the ceramic and glass industries

This property is used in:

• Color development in ceramic glazes

• Porcelain decoration

• Glass coloration

• Pigment production

LEGAL DISCLAIMER:

The information provided in this document is based on our current knowledge and experience and is presented in good faith. However, as all conditions of use are beyond our control, this document does not constitute a binding specification or warranty. This Technical Data Sheet is for informational purposes only. Users are responsible for testing suitability for their own applications. For complete safety, storage, handling, transportation, waste, and regulatory compliance information, please refer to the official Safety Data Sheet (SDS/MSDS) provided by the manufacturer/supplier.