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Cupric Oxide Extra Pure

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Cupric Oxide Extra Pure is a black, fine powder extensively used in laboratory settings as a stable, high-purity source of copper in oxidation state +2. It is commonly applied in organic synthesis, inorganic reactions, and thermal decomposition studies, as well as in qualitative and quantitative analysis of copper. Its thermal stability also makes it suitable for ceramic glazing and as a precursor in catalyst preparation. This extra pure grade ensures low impurity levels, essential for accurate experimental results and reproducible data in both educational and research laboratories. It should be stored in a tightly sealed container away from moisture and strong acids.

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Categories: Analytical Reagents, Inorganic and Organic Standards, Specialty Laboratory Chemicals(Special Laboratory Equipment) Tags: AnalyticalReagent, CopperIIOxide, CupricOxide, ExtraPure, InorganicCompound, LabChemicals, OxidizingAgent, ThermalAnalysis

Description

Table of Contents

Cupric Oxide Extra Pure

Primary Uses

Precursor in Inorganic Synthesis
- Used to prepare other copper salts and complexes via acid-base or redox reactions.
- Reacts with mineral acids (like HCl or H₂SO₄) to yield CuCl₂, CuSO₄, etc.
Oxidizing Agent
- Functions as a mild oxidizer in reactions involving organic compounds, particularly in combustion or thermal degradation tests.
Black Pigment in Ceramics & Glass
- Added to glazes in lab-scale ceramic work to produce green to black coloration depending on firing conditions.
High-Temperature Experiments
- Utilized in thermal decomposition and catalytic oxidation studies due to its thermal stability.

Secondary Uses

Analytical Chemistry
- Acts as a reference oxide in oxide-reduction titrations.
- Occasionally used in oxygen determination experiments via reduction to copper metal.
Material Science & Surface Coatings
- Investigated for semiconducting, photocatalytic, and antifouling properties in lab-scale studies.
Demonstration Experiments
- Demonstrates metal oxide behavior, reduction to elemental copper, and reaction with acids in educational labs.

Additional information

PACK SIZE	100 grams Plastic Tin

KEY PRODUCT FEATURES

1. Basic Identification Attributes

Chemical Name: Cupric Oxide
Common Name: Copper(II) Oxide
CAS Number: 1317-38-0
Chemical Formula: CuO
Molar Mass: 79.55 g/mol
Grade: Extra Pure (Laboratory/Reagent grade)

2. Physical & Chemical Properties

Appearance: Black fine powder
Odor: Odorless
Solubility:
- Insoluble in water
- Soluble in acids (e.g., HCl, HNO₃)
Melting Point: ~1,200°C
Boiling Point: Decomposes
Density: ~6.3 g/cm³
Stability: Stable under recommended storage conditions

3. Safety & Hazard Attributes

GHS Classification:
- ⚠️ Warning
- H302: Harmful if swallowed
- H319: Causes serious eye irritation
- H332: Harmful if inhaled
- H410: Very toxic to aquatic life with long-lasting effects
NFPA Ratings:
- Health: 2
- Flammability: 0
- Reactivity: 0
First Aid Measures:
- Inhalation: Remove to fresh air; seek medical help if breathing difficulty persists
- Skin Contact: Wash with water and soap
- Eye Contact: Rinse cautiously with water for several minutes
- Ingestion: Rinse mouth and seek medical attention immediately

4. Storage & Handling Attributes

Storage Conditions:
- Store in tightly sealed containers
- Keep in cool, dry, and well-ventilated place
- Protect from incompatible substances like strong acids and reducing agents
Handling Advice:
- Avoid dust generation and inhalation
- Use personal protective equipment (PPE): gloves, goggles, lab coat
- Work in fume hood when dust is present

5. Regulatory & Compliance Attributes

EINECS Number: 215-269-1
UN Number: Not regulated for transport
REACH Status: Registered

6. Applications in Laboratory

Primary Use:
- Precursor in the synthesis of copper salts and compounds
Other Uses:
- Catalyst in organic reactions
- Oxidizing agent
- Pigment in ceramics and glass
- Component in thermite reactions for metal reduction
- Used in chemical analysis and educational labs

SAFETY HANDLING PRECAUTIONS

SAFETY PRECAUTIONS

PPE Required:
- Lab coat
- Nitrile or neoprene gloves
- Safety goggles or face shield
- Use of fume hood is recommended during weighing or heating
Handling:
- Avoid inhaling dust; handle with care to prevent dispersion
- Do not ingest or allow contact with skin or eyes
- Use dedicated spatulas and avoid contamination
Storage:
- Store in tightly sealed containers
- Keep in a dry, cool, and ventilated area
- Avoid storing near strong acids or reducing agents

FIRST AID MEASURES

Inhalation:
- Move person to fresh air
- Seek medical advice if symptoms persist
Skin Contact:
- Wash thoroughly with soap and water
- Remove contaminated clothing
Eye Contact:
- Rinse cautiously with water for at least 15 minutes
- Seek medical attention immediately
Ingestion:
- Rinse mouth with water
- Do not induce vomiting
- Seek immediate medical help

FIREFIGHTING MEASURES

Flammability: Non-combustible
Hazards: Emits toxic fumes of copper oxides if heated excessively
Extinguishing Media:
- Use suitable extinguishing agents for surrounding fire (dry powder, foam, CO₂)
- Avoid water if material is hot to prevent steam pressure build-up
Firefighter Protection:
- Wear protective suit and self-contained breathing apparatus (SCBA)