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Calcium Chloride Extra Pure
Original price was: $ 18.00.$ 17.87Current price is: $ 17.87.
Calcium Chloride Extra Pure is a highly pure, hygroscopic compound widely used in laboratory applications as a desiccant, electrolyte source, and reagent in analytical chemistry. It is effective in moisture control, gas drying, and as a coagulant in biological and biochemical processes. Its strong affinity for water also makes it valuable in experiments involving freezing point depression, exothermic dissolution, and ionic reactions. The extra pure grade ensures minimal impurities, which is critical for accuracy in quantitative analysis, buffer preparation, and synthesis. It should be stored in well-sealed containers in a dry environment to prevent clumping and preserve its chemical performance.
Calcium Chloride Extra Pure
Primary Uses
- Drying Agent / Desiccant
- Widely used to dry gases and organic solvents in drying tubes or desiccators due to its strong hygroscopic nature.
- Often chosen for drying non-polar solvents (e.g. ethers, hydrocarbons).
- Source of Calcium Ions in Reactions
- Supplies Ca²⁺ ions for precipitation reactions, analytical tests, or ionic exchange studies.
- Common in flame tests, where calcium imparts an orange-red flame.
- Electrolyte in Electrochemical Studies
- Acts as an ionic conductor in electrolysis and conductivity experiments, especially when calcium ions are involved.
- Osmotic and Cell Treatment Agent
- Occasionally used in molecular biology for preparing competent cells in bacterial transformation processes.
Secondary Uses
- Thermochemical Demonstrations
- Used in exothermic dissolution experiments to demonstrate enthalpy of solution and heat transfer.
- Colligative Properties Experiments
- Ideal for studying freezing point depression and boiling point elevation in solution chemistry.
- Simulation of Hard Water
- Helps recreate hard water conditions in lab studies related to water softening or soap efficiency testing.
- Standard for Moisture Absorption Tests
- Applied as a benchmark for evaluating hygroscopic properties in comparative material science studies.
| PACK SIZE | 500 grams Plastic Tin |
|---|
1. Basic Identification Attributes
- Chemical Name: Calcium Chloride (Anhydrous)
- Chemical Formula: CaCl₂
- CAS Number: 10043-52-4
- HS Code: 2827.20.00
- Grade: Extra Pure (Laboratory Grade)
- Synonyms: Calcium dichloride, CaCl₂, anhydrous calcium chloride
2. Physical & Chemical Properties
- Appearance: White or off-white granular powder or flakes
- Odor: Odorless
- Molar Mass: 110.98 g/mol
- Melting Point: 772 °C
- Boiling Point: >1600 °C (decomposes)
- Solubility:
- Highly soluble in water (exothermic)
- Soluble in alcohol, acetone
- Density: ~2.15 g/cm³
- Hygroscopic: Extremely — readily absorbs moisture from the air
- Stability: Stable under normal conditions
3. Safety & Hazard Attributes
- GHS Classification:
- Eye Irritation (Category 2A)
- Skin Irritation (Category 2)
- Hazard Statements:
- H315: Causes skin irritation
- H319: Causes serious eye irritation
- Precautionary Statements:
- Wear gloves, eye protection
- Avoid breathing dust
- NFPA Ratings:
- Health: 1
- Flammability: 0
- Reactivity: 0
4. Storage & Handling Attributes
- Storage Conditions:
- Store in tightly closed containers
- Keep in a dry, well-ventilated area
- Protect from atmospheric moisture
- Packaging: Typically supplied in HDPE or foil-sealed containers
- Handling Precautions:
- Avoid contact with skin and eyes
- Use in a fume hood if dusty
5. Regulatory & Compliance Attributes
- Transport Classification (UN): Not classified as hazardous
- Waste Disposal:
- Dispose as non-hazardous inorganic waste
- Follow institutional and local environmental regulations
6. Environmental & Health Impact
- Toxicity:
- Low acute toxicity
- Irritating to skin, eyes, and mucous membranes
- Ecotoxicity:
- Large releases may alter aquatic ionic balance
- Biodegradability: Not applicable – inorganic salt
SAFETY PRECAUTIONS
- Personal Protective Equipment (PPE):
- Wear chemical safety goggles, gloves, and lab coat.
- Use a dust mask or respirator if airborne dust is generated.
- Handling:
- Avoid breathing dust or contact with skin and eyes.
- Handle in a well-ventilated area.
- Hygroscopic: close containers immediately after use.
- Storage:
- Store in tightly sealed containers in a cool, dry place.
- Keep away from moisture and incompatible substances like strong acids, borates, and zinc.
FIRST AID MEASURES
- Inhalation:
- Move to fresh air immediately.
- Get medical attention if irritation or symptoms persist.
- Skin Contact:
- Rinse thoroughly with water.
- Remove contaminated clothing.
- Seek medical advice if irritation develops.
- Eye Contact:
- Rinse immediately with plenty of water for at least 15 minutes.
- Consult a physician if symptoms persist.
- Ingestion:
- Rinse your mouth thoroughly.
- Do not induce vomiting.
- Drink water and seek medical assistance promptly.
FIRE FIGHTING MEASURES
- Flammability:
- Non-flammable but may contribute to corrosion in fire conditions.
- Extinguishing Media:
- Use any suitable extinguishing media: water spray, CO₂, dry chemical, or foam.
- Hazardous Combustion Products:
- May release hydrogen chloride (HCl) and calcium oxide (CaO) fumes when heated.
- Special Instructions for Firefighters:
- Use SCBA (Self-Contained Breathing Apparatus) and full protective gear.
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