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Copper Turnings Extra Pure
Original price was: $ 19.15.$ 19.00Current price is: $ 19.00.
Copper Turnings Extra Pure are thin, spiral-shaped shavings of elemental copper, produced from high-purity metal and widely used in laboratory applications requiring clean, reactive metal surfaces. Their large surface area makes them ideal for redox reactions, hydrogen generation experiments, and the preparation of copper salts through acid reactions. In educational and research settings, they are preferred for demonstrations involving displacement reactions and metal activity series studies. The extra pure grade guarantees minimal contamination, ensuring accurate and reproducible results. To prevent oxidation and maintain reactivity, copper turnings should be stored in dry, airtight containers.
Copper Turnings Extra Pure
Primary Uses
- Reactant in Inorganic Synthesis
- Used to prepare copper salts (e.g., copper nitrate, copper sulfate) by reacting with acids like nitric or sulfuric acid.
- Demonstrations of Redox Chemistry
- Ideal for showing metal displacement reactions, such as copper replacing less reactive metals from solutions (or being replaced by more reactive ones).
- Electrochemical Experiments
- Employed as electrodes in galvanic and electrolytic cells to demonstrate oxidation at the anode or reduction at the cathode.
- Metal Recovery Studies
- Used in precipitation reactions to recover other metals (e.g., silver or mercury) from their ionic solutions.
Secondary Uses
- Thermal Conductivity & Heat Transfer Experiments
- Because of its high thermal conductivity, it’s used to demonstrate metallic heat conduction.
- Teaching Tool in Reagent Purity or Metal Identification
- Helpful in qualitative tests for identifying pure metals or checking reaction completeness.
- Support for Organic Reaction Catalysis (when activated)
- Though less common than copper powder, cleaned or activated turnings may act as mild catalysts in some organic coupling reactions.
- Study of Metal Surface Reactions
- Used to study surface oxidation, passivation, or acid etching effects under controlled conditions.
| PACK SIZE | 25 grams Plastic Tin |
|---|
1. Basic Identification Attributes
- Chemical Name: Copper (turnings)
- CAS Number: 7440-50-8
- Chemical Formula: Cu
- Molar Mass: 63.55 g/mol
- Synonyms: Copper metal shavings, Copper filings, Metallic copper
2. Physical & Chemical Properties
- Appearance: Reddish metallic shavings or curled strips
- Odor: Odorless
- Solubility:
- Insoluble in water
- Soluble in nitric acid and hot concentrated sulfuric acid
- Melting Point: ~1083 °C
- Boiling Point: ~2562 °C
- Electrical Conductivity: Excellent
- Thermal Conductivity: Excellent
3. Safety & Hazard Attributes
- GHS Classification:
- H302: Harmful if swallowed
- H410: Very toxic to aquatic life with long-lasting effects
- Fire Hazard:
- Not readily flammable, but fine residues or dust may pose ignition risk
- NFPA Ratings:
- Health: 1
- Flammability: 1
- Reactivity: 1
- First Aid Measures:
- Inhalation (dust): Move to fresh air and seek medical attention if symptoms occur
- Skin Contact: Wash thoroughly with water and soap
- Eye Contact: Rinse cautiously with water for several minutes
- Ingestion: Rinse mouth, do not induce vomiting, get medical help
4. Storage & Handling Attributes
- Storage Conditions:
- Store in a dry, cool, ventilated space
- Keep away from strong oxidizing agents
- Handling Advice:
- Avoid generating fine dust when handling or machining
- Use protective gloves and eye protection
- Container Recommendations: Closed, labeled metal or plastic containers
5. Regulatory & Compliance Attributes
- EINECS Number: 231-159-6
- REACH Status: Registered
- UN Number: Not regulated for transport in solid metal form
6. Applications in Laboratory & Industry
- Laboratory Use:
- Common reagent in redox and displacement reactions
- Used in preparation of copper salts (e.g., copper(II) nitrate)
- Ideal for reactions where pure solid copper is required
- Other Uses:
- Electrochemistry experiments
- Alloy and metallurgy demonstrations
- Thermal conductivity studies
SAFETY PRECAUTIONS
- PPE Required:
- Lab coat
- Safety goggles
- Nitrile gloves
- Handling:
- Handle with clean, dry tools to avoid oxidation
- Avoid contact with acids and oxidizers
- Wash hands after handling
- Storage:
- Store in labeled, sealed containers
- Keep in a dry environment to prevent corrosion or patina formation
- Separate from strong acids and oxidizers
FIRST AID MEASURES
- Inhalation:
- Not expected to be hazardous in solid form
- Move to fresh air if exposed to metal fumes (e.g., during heating)
- Skin Contact:
- Wash thoroughly with soap and water
- Seek attention if irritation occurs
- Eye Contact:
- Rinse with water for at least 15 minutes
- Get medical advice if irritation persists
- Ingestion:
- Rinse mouth
- Not expected to be toxic in small amounts, but seek medical attention
FIREFIGHTING MEASURES
- Flammability: Not flammable in turnings form
- Explosion Risk: None in normal conditions
- Extinguishing Media:
- Use dry powder, sand, or foam
- Water or CO₂ are typically safe but avoid with nearby reactive chemicals
- Firefighter Protection:
- Standard protective equipment
- Standard protective equipment
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