Cobalt Chloride Extra Pure
$ 23.20 Original price was: $ 23.20.$ 23.12Current price is: $ 23.12.
Cobalt Chloride Extra Pure is a high-purity, pink to deep purple crystalline compound widely used in laboratories for analytical, inorganic, and coordination chemistry. It is especially valued as a humidity indicator, turning from blue (anhydrous) to pink (hydrated) depending on moisture levels. In research settings, it serves as a precursor for synthesizing other cobalt compounds, as well as a reagent in qualitative tests for water, ammonium ions, and complex formation studies. Its extra pure grade ensures precise, contamination-free results, making it ideal for experiments requiring high accuracy. Proper handling with gloves and storage in airtight containers are recommended due to its toxic and moisture-sensitive nature.
Cobalt Chloride Extra Pure
Primary Uses
- Humidity Indicator in Desiccators
- Cobalt(II) chloride is widely used as a moisture indicator due to its color change:
- Blue (anhydrous) → Pink (hydrated)
Ideal for monitoring humidity levels in desiccators or sealed lab containers.
- Blue (anhydrous) → Pink (hydrated)
- Cobalt(II) chloride is widely used as a moisture indicator due to its color change:
- Analytical Chemistry (Qualitative Tests)
- Acts as a reagent for detecting water in solvents and gases.
- Used in chloride ion detection and complex ion formation tests.
- Coordination Chemistry Studies
- Frequently used in inorganic labs to synthesize and study transition metal complexes, especially with ligands like ammonia, ethylenediamine, etc.
- Thermochromic Demonstrations
- Used in educational demonstrations to visually show reversible chemical reactions involving water of hydration.
Secondary Uses
- Electrochemical Studies
- Investigated in redox reactions, electroplating, and battery chemistry involving cobalt species.
- Teaching Tool in General Chemistry
- Demonstrates hydration/dehydration reactions, oxidation states, and Le Chatelier’s Principle in equilibrium reactions.
- Precursor for Cobalt-based Catalysts
- Serves as a starting material for preparing cobalt oxide catalysts and heterogeneous catalytic materials in lab-scale synthesis.
- pH-Sensitive Ink Experiments
- Used in preparing invisible inks that appear or disappear with pH or heat changes — common in educational chemistry projects.
| PACK SIZE | 100 grams Plastic Tin |
|---|
1. Basic Identification Attributes
- Chemical Name: Cobalt(II) Chloride
- CAS Number: 7646-79-9
- Chemical Formula: CoCl₂ (anhydrous), CoCl₂·6H₂O (hexahydrate)
- Molar Mass:
- Anhydrous: 129.84 g/mol
- Hexahydrate: 237.93 g/mol
- Synonyms: Cobaltous chloride, cobalt dichloride
2. Physical & Chemical Properties
- Appearance:
- Anhydrous: Blue crystalline solid
- Hexahydrate: Pink to purple crystals
- Solubility: Highly soluble in water and alcohol
- Melting Point:
- Anhydrous: 735°C
- Hexahydrate: Loses water at ~86°C
- Boiling Point (Anhydrous): ~1049°C
- pH (1% solution): ~4–5
- Odor: Odorless
3. Safety & Hazard Attributes
- GHS Classification:
- ☣️ Danger
- H302: Harmful if swallowed
- H317: May cause allergic skin reaction
- H334: May cause allergy or asthma symptoms
- H350i: May cause cancer by inhalation
- H360F: May damage fertility
- H410: Very toxic to aquatic life
- NFPA Ratings:
- Health: 3
- Flammability: 0
- Reactivity: 0
- First Aid Measures:
- Inhalation: Move to fresh air; seek immediate medical attention
- Skin Contact: Rinse with soap and water; remove contaminated clothing
- Eye Contact: Flush eyes with water for 15 minutes
- Ingestion: Rinse mouth; do not induce vomiting; seek medical advice
4. Storage & Handling Attributes
- Storage Conditions:
- Keep in a tightly closed container
- Store in a dry, cool, well-ventilated area
- Protect from moisture and incompatible substances (e.g., strong oxidizers)
- Shelf Life: Stable under recommended storage conditions
- Container Requirements: Use corrosion-resistant material (glass, HDPE)
5. Regulatory & Compliance Attributes
- EINECS Number: 231-589-4
- REACH Status: Subject to authorisation; classified as SVHC
- IARC Classification: Group 2B (possibly carcinogenic to humans)
6. Applications in Laboratory & Industry
- Laboratory Use:
- Humidity indicator (color change: blue ↔ pink)
- Synthesis of coordination compounds
- Analytical chemistry (e.g., tests for ammonia, chloride)
- Other Uses:
- Electroplating and surface treatment
- Ceramics and glass colorants
- Pigment production
SAFETY PRECAUTIONS
- PPE Required:
- Lab coat
- Chemical-resistant gloves (e.g., nitrile)
- Safety goggles or face shield
- Dust mask or use in a fume hood
- Handling:
- Handle with care in a well-ventilated area.
- Avoid generating dust.
- Do not breathe dust or vapors.
- Avoid contact with skin, eyes, and clothing.
- Storage:
- Store in a tightly sealed container.
- Keep in a cool, dry, well-ventilated place.
- Protect from moisture and incompatible materials (e.g., strong acids or oxidizers).
FIRST AID MEASURES
- Inhalation:
- Remove the person to fresh air immediately.
- Seek medical attention if symptoms like coughing or shortness of breath occur.
- Skin Contact:
- Wash with soap and plenty of water for at least 15 minutes.
- Remove contaminated clothing.
- Seek medical advice if irritation develops.
- Eye Contact:
- Rinse thoroughly with water for 15 minutes while lifting eyelids.
- Get immediate medical attention.
- Ingestion:
- Rinse mouth with water.
- Do not induce vomiting.
- Seek immediate medical attention.
- Cobalt compounds are toxic if ingested.
FIREFIGHTING MEASURES
- Flammability:
- Non-flammable, but may emit toxic fumes when heated.
- Decomposition Products:
- Cobalt oxides, hydrogen chloride gas
- Suitable Extinguishing Media:
- Use extinguishing media appropriate for surrounding materials (CO₂, dry powder, foam, water spray).
- Protective Equipment for Firefighters:
- Full protective suit and self-contained breathing apparatus (SCBA)
Related products
Cupric Carbonate Extra Pure
Cupric Carbonate Extra Pure is a fine, green, high-purity compound used in laboratories for inorganic synthesis, analytical chemistry, and educational demonstrations. It serves as a reliable source of copper ions in reactions and decomposes upon heating to form copper oxide, making it useful for studying thermal decomposition. In qualitative analysis, it is employed to observe characteristic reactions of copper salts. Its extra pure grade ensures minimal interference from impurities, supporting accurate experimental outcomes. Cupric carbonate should be handled in a dry environment and stored in tightly sealed containers to prevent degradation and maintain stability.
Cupric Chloride Extra Pure
Cupric Chloride Extra Pure is a green to yellowish crystalline compound widely used in laboratories as a catalyst, reagent, and source of copper ions in various chemical reactions. It plays a key role in organic synthesis, photochemical processes, and analytical chemistry procedures, especially for detecting reducing agents and halide ions. Its high solubility in water and alcohol allows for versatile application across wet-lab experiments. The extra pure grade ensures excellent reliability and minimal impurities, making it ideal for precision work in research and education. Store in a cool, dry place, protected from moisture and light to preserve its reactivity.
Magnesium Carbonate Light Extra Pure
Magnesium Carbonate Light Extra Pure is a fine, white, odorless powder known for its excellent absorbent, drying, and antacid properties. It is widely used in pharmaceutical formulations, cosmetics, food additives, and laboratory reagents. Its “light” form refers to its low bulk density, making it ideal for applications requiring a fluffy, easily dispersible powder. In personal care products, it serves as a filler and opacifier, while in pharmaceuticals, it acts as a mild antacid and magnesium supplement. Its high purity ensures consistent performance in analytical procedures and specialty chemical processes.
Magnesium Oxide Heavy Extra Pure
Magnesium Oxide Heavy Extra Pure is a high-purity, dense white powder prized for its excellent thermal stability, high melting point, and chemical inertness. It is widely used in laboratory applications as a standard reagent, pH adjuster, and desiccant. In pharmaceuticals, it functions as an antacid and a magnesium supplement, while in industrial processes, it is essential for producing refractory materials, ceramics, and insulating products due to its high heat resistance. The "heavy" form refers to its higher bulk density, making it particularly useful in applications where volume constraints are critical. Its extra pure grade ensures it meets the stringent demands of high-precision research and formulation work.
Malachite Green Extra Pure
Malachite Green Extra Pure is a synthetic dye of exceptional purity, recognized for its intense green coloration and versatile laboratory uses. It is commonly used as a biological stain, especially in microbiology for identifying and differentiating bacterial species, and in histology for staining cell structures. Additionally, Malachite Green serves as an effective fungicide and antiparasitic agent in aquaculture and laboratory testing. Its high purity ensures reliable performance in analytical applications, including redox titrations and as a pH indicator in specific chemical reactions. Its vivid color and chemical stability make it a valuable reagent in both teaching and professional research settings.
Malic Acid Extra Pure
Malic Acid Extra Pure is a high-grade, naturally occurring dicarboxylic acid known for its sharp, tart flavor and versatility in both laboratory and industrial settings. It is commonly found in fruits such as apples and is widely used as an acidulant in food and beverage formulations, where it enhances flavor, preserves freshness, and improves pH stability. In laboratory applications, Malic Acid is employed in biochemical research, particularly in studies involving the citric acid cycle, due to its role as an intermediate metabolite. Its excellent solubility in water and mild acidity also make it suitable for cosmetic formulations and pharmaceutical preparations. The extra pure grade ensures high analytical accuracy and consistent quality across applications requiring strict purity standards.
Manganese Metal Powder Extra Pure
Manganese Metal Powder Extra Pure is a fine, silvery-gray metallic powder known for its high reactivity and essential role in various chemical and metallurgical applications. In the laboratory, it is frequently used in redox reactions, alloy synthesis, and as a reagent for preparing manganese compounds. Its high surface area makes it particularly effective in catalysis and experimental procedures requiring fast reactivity. Industrially, manganese metal powder is integral to producing specialty steels and alloys, where it improves hardness, strength, and wear resistance. Its exceptional purity ensures consistent performance in research, metal refining, and advanced materials development.
Methanol Extra Pure
Methanol Extra Pure is a clear, colorless, and highly volatile liquid with a mild alcohol-like odor, refined to an exceptional level of purity. It is widely used as a solvent in laboratories and industrial settings due to its excellent miscibility with water and many organic compounds. Methanol serves as a key reagent in chemical synthesis, particularly in the production of formaldehyde, methyl esters, and biodiesel. In analytical chemistry, it’s used for chromatography and spectroscopic applications where high purity is essential. Its rapid evaporation rate and strong solvency make it ideal for cleaning delicate equipment and preparing lab samples.

Preservatives(food)
Flavors
Acidulants
Sweeteners
Antioxidants
Colorants(food)
Nutraceutical Ingredients (food)
Nutrient Supplements
Emulsifiers
Collectors
Dust Suppressants
Explosives and Blasting Agents
Flocculants and Coagulants
Frothers
Leaching Agents
pH Modifiers
Precious Metal Extraction Agents
Antioxidants(plastic)
Colorants (Pigments, Dyes)
Fillers and Reinforcements
Flame Retardants
Monomers
Plasticizers
Polymerization Initiators
Stabilizers (UV, Heat)
Antifoaming Agents
Chelating Agents
Coagulants and Flocculants
Corrosion Inhibitors
Disinfectants and Biocides
Oxidizing Agents
pH Adjusters
Scale Inhibitors( water)
Antioxidants(cosmetic)
Emollients
Oils
Carrier Oills
Essential Oils
Humectants
Preservatives
Surfactants(cosmetic)
Thickeners
UV Filters
Fertilizers
Soil Conditioners
Plant Growth Regulators
Animal Feed Additives
Biostimulants
Pesticides (Herbicides, Insecticides, Fungicides)
Active Pharmaceutical Ingredients (APIs)
Excipients
Solvents(pharmaceutical)
Antibiotics
Antiseptics and Disinfectants
Vaccine Adjuvants
Nutraceutical Ingredients (pharmaceutical)
Analgesics & Antipyretics
Analytical Reagents
Solvents(lab)
Chromatography Chemicals
Spectroscopy Reagents
microbiology-and-cell-culture-reagents
Molecular Biology Reagents
Biochemical Reagents
Inorganic and Organic Standards
Laboratory Safety Chemicals
Specialty Laboratory Chemicals(Special Laboratory Equipment)
Demulsifiers
Hydraulic Fracturing Fluids
Scale Inhibitors(oil)
Surfactants(oil)
Drilling Fluids
Dyes and Pigments
Bleaching Agents
Softening Agents
Finishing Agents
Antistatic Agents
Admixtures
Waterproofing Agents
Sealants and Adhesives
Curing Compounds
Concrete Repair Chemicals
Anti-Corrosion Coatings
Surfactants(cleaning)
Builders
Enzymes
Solvents (Cleaning)
Fragrances (Cleaning)
Electronic Chemicals
Catalysts
Lubricants
Photographic Chemicals
Refrigerants
Automotive chemicals
Pyrotechnic Chemicals
Biodegradable Surfactants
Bio-based Solvents
Renewable Polymers
Carbon Capture Chemicals
Wastewater Treatment Chemicals
Pigments
Solvents(paint)
Specialty Coatings
Binders/Resins
Additives
Driers
Anti-Corrosion Agents
Functional Coatings
Application-Specific Coatings
Leavening Agents
Dough Conditioners
Flour Treatments
Fat Replacers
Decoratives
Preservatives(baking)
Plasticizers & Softeners
Reinforcing Agents
Adhesion Promoters
Vulcanizing Agents
Antidegradants
Blowing Agents
Fillers & Extenders
Accelerators & Retarders