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Cupric Sulphate Anhydrous Extra Pure
Original price was: $ 18.10.$ 17.98Current price is: $ 17.98.
Cupric Sulphate Anhydrous Extra Pure is a white to grayish crystalline powder that serves as a highly concentrated form of copper(II) sulphate, ideal for laboratory applications requiring precise copper ion concentrations. It is commonly used in analytical chemistry, electroplating studies, and as a reagent in qualitative tests for reducing sugars and proteins. Its dehydrated form is especially suited for moisture-sensitive reactions or as a drying agent in certain chemical processes. The extra pure grade ensures minimal contamination, making it reliable for high-accuracy research and educational experiments. Store in a cool, dry environment to prevent rehydration and degradation.
Cupric Sulphate Anhydrous Extra Pure
Primary Uses
- Dehydrated Analytical Reagent
- Used in experiments where water of hydration must be avoided, such as gravimetric analysis and stoichiometric reactions involving dry solids.
- Qualitative Tests for Reducing Agents
- Participates in Benedict’s and Fehling’s tests when hydrated; the anhydrous form is used when precise water control is needed.
- Oxidizing Agent
- Acts as a moderate oxidizer in some organic and inorganic syntheses, especially under dry conditions.
- Desiccant for Specific Reactions
- Used as a drying agent in gas or solvent systems where water must be absorbed or absent.
Secondary Uses
- Thermal and Decomposition Studies
- Employed in labs for thermal decomposition to study CuO formation and analyze endothermic reactions.
- Preparation of Solutions with Precise Molarity
- Ideal for preparing copper(II) sulfate solutions without unknown hydration states, improving analytical accuracy.
- Standard in Calorimetry
- Occasionally used in enthalpy change experiments (e.g., dissolution enthalpy) requiring known anhydrous mass.
| PACK SIZE | 500 grams Plastic Tin |
|---|
1. Basic Identification Attributes
- Chemical Name: Cupric Sulphate Anhydrous
- Common Name: Copper(II) Sulfate Anhydrous
- CAS Number: 7758-98-7
- Chemical Formula: CuSO₄
- Molar Mass: 159.61 g/mol
- Grade: Extra Pure (Laboratory/Reagent Grade)
2. Physical & Chemical Properties
- Appearance: Grayish-white to pale green powder (due to absence of water)
- Odor: Odorless
- Solubility:
- Soluble in water (exothermic dissolution)
- Soluble in methanol
- Melting Point: Decomposes before melting
- Density: ~3.6 g/cm³
- Hygroscopic: Yes (absorbs moisture from air and forms pentahydrate)
3. Safety & Hazard Attributes
- GHS Classification:
- ⚠️ Warning
- H302: Harmful if swallowed
- H315: Causes skin irritation
- H319: Causes serious eye irritation
- H410: Very toxic to aquatic life with long-lasting effects
- NFPA Ratings:
- Health: 2
- Flammability: 0
- Reactivity: 1
- First Aid Measures:
- Inhalation: Move to fresh air; get medical help if symptoms persist
- Skin Contact: Wash with plenty of water and soap
- Eye Contact: Rinse cautiously with water for several minutes
- Ingestion: Do NOT induce vomiting; rinse mouth and seek immediate medical advice
4. Storage & Handling Attributes
- Storage Conditions:
- Store in airtight containers
- Keep in a cool, dry place away from moisture
- Store away from strong reducing agents and acids
- Handling Advice:
- Use PPE: gloves, lab coat, eye protection
- Avoid generating or breathing dust
- Use with local exhaust ventilation or fume hood
5. Regulatory & Compliance Attributes
- EINECS Number: 231-847-6
- UN Number: Not regulated for transport
- REACH Status: Registered
6. Applications in Laboratory
- Primary Use:
- Used in analytical chemistry as a reagent
- Other Uses:
- Dehydrating agent
- Used to prepare copper-based catalysts
- Standard in iodometric titrations
- In synthesis of copper compounds
- As a fungicide or algicide in controlled lab-scale studies
SAFETY PRECAUTIONS
- Personal Protective Equipment (PPE):
- Lab coat
- Nitrile gloves
- Safety goggles or face shield
- Use in a well-ventilated area or fume hood
- Handling Guidelines:
- Avoid dust formation; do not inhale or ingest
- Handle away from moisture—hydrates easily
- Avoid direct contact with skin and eyes
- Storage Conditions:
- Keep in a tightly sealed container
- Store in a dry, cool area
- Protect from moisture and incompatible materials (e.g., strong reducing agents)
FIRST AID MEASURES
- Inhalation:
- Move to fresh air
- Seek medical advice if coughing or irritation occurs
- Skin Contact:
- Wash immediately with plenty of water
- Remove contaminated clothing
- Eye Contact:
- Rinse thoroughly with water for at least 15 minutes
- Get medical attention immediately
- Ingestion:
- Rinse mouth, do not induce vomiting
- Seek urgent medical attention
FIREFIGHTING MEASURES
- Flammability: Non-flammable
- Hazards: Decomposes at high temperatures releasing toxic sulfur oxides and copper fumes
- Extinguishing Media:
- Use water spray, dry chemical, or CO₂ depending on surrounding fire
- Avoid unnecessary water contact to prevent hydration
- Firefighting Gear:
- Full protective gear with SCBA (Self-Contained Breathing Apparatus)
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