Basic Information of Cobalt Chloride Pentahydrate
- Product Name (English): Cobalt Chloride Pentahydrate
- English aliases: Cobalt(II) chloride pentahydrate, Cobalt dichloride pentahydrate
- Industry Abbreviations: CoCl2·5H2O
- Other language names: Chlorure de cobalt pentahydraté (French), Kobaltchlorid-Pentahydrat (German) , Хлорид кобальта(II) пентагидрат(Russian),
- 염화코발트(II) 오수화물(Korean),كلوريد الكوبالت (II) بنتاهايدراط (Arabic)
- CAS number: 7791-13-1
- EINECS number: 231-909-8
- UN number: 3260
- Hazard class: 8 (Corrosive substances)
- Molecular formula: CoCl2·5H2O
- Molecular weight: 237.93 g/mol
- Product Grade: Industrial grade, Analytical reagent (AR)
- Main uses: Humidity indicator, catalyst, pigment, battery materials, feed additive
Physicochemical Properties of Cobalt Chloride Pentahydrate
- Appearance and smell: Red crystalline powder, odorless
- Solubility: Highly soluble in water, soluble in ethanol, acetone
- Boiling point: Loses water at 100 °C, decomposes at higher temperature
- Melting point: 86 °C (loses crystallization water)
- Density: 1.924 g/cm³
- Moisture absorption: Stable under normal conditions, no obvious hygroscopicity
- Purity: 98% min (industrial grade), 99.5% min (analytical grade)
- Toxicity: Toxic if swallowed or inhaled
- Stability: Stable, avoid contact with strong oxidizers and alkalis
- Particle size: 80-120 mesh (customizable)
Supplementary Technical Details for Cobalt Chloride Pentahydrate
- Production methods: Crystallization method from cobalt chloride solution
- Acute toxicity (LD50): 130 mg/kg (oral, rat)
- Chronic toxicity: Long-term exposure may cause cobalt lung disease
- Upstream and downstream products (raw materials): Cobalt chloride, water
- Upstream and downstream products (downstream): Cobalt oxide, battery materials, catalysts
- Quality Standards: Enterprise standard, GB/T 26523-2011 (modified)
- Detection methods: Atomic absorption spectrometry, titration analysis
- Transportation methods: Road transport, sea transport (complies with IMDG code)
- Payment methods: T/T, L/C, Western Union
Packaging and Storage of Cobalt Chloride Pentahydrate
- Packaging: 25 kg plastic-lined paper bags, 25 kg fiber drums
- Storage: Store in cool, dry, well-ventilated warehouse; avoid moisture
- Shelf Life: 24 months when stored properly
- CAS number: 7791-13-1
- Molecular formula: CoCl2·5H2O
- molecular weight: 237.93 g/mol
- Implementation Standards: Enterprise standard, GB/T 26523-2011 (modified)
- Precautions: Avoid direct contact with skin and eyes; use in well-ventilated area
- After-sales service: Technical support, quality guarantee
Applications of Cobalt Chloride Pentahydrate
Cobalt(II) Chloride Pentahydrate usually refers to Cobalt(II) Chloride Hexahydrate in its commercially available form.
Humidity Indicator
Industrial-grade Cobalt(II) Chloride Hexahydrate can be used to make color-changing silica gel or test strips to indicate the level of humidity in the environment.
Feed Additives
Feed-grade Cobalt Chloride Hexahydrate is used as a feed additive, mixed in trace amounts into animal feed or salt blocks, to supplement ruminant animals with the trace element cobalt.
Industrial Applications
- Industrial-grade Cobalt(II) Chloride Hexahydrate is an additive in cobalt plating solutions, giving the plating layer stronger physical properties.
- Industrial-grade Cobalt(II) Chloride Hexahydrate is a basic cobalt source for various cobalt salts or cobalt oxides.
- Industrial-grade Cobalt(II) Chloride Hexahydrate is a catalyst in organic synthesis (oxidation, esterification, etc.).
- Industrial-grade Cobalt(II) Chloride Hexahydrate is a blue coloring agent for glass, ceramics, and other products.
Laboratory Reagents
- Reagent-grade Cobalt(II) Chloride Pentahydrate can be used in colorimetric analysis, moisture determination, etc.
- Reagent-grade Cobalt(II) Chloride Pentahydrate can be used as a staining agent in biology and histology.
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