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Calcium Chloride Extra Pure
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Calcium Granular Extra Pure
LABORATORY GRADE

Calcium Chloride Fused (95%) Extra Pure

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Calcium Chloride Fused (95%) Extra Pure is a high-quality, anhydrous form of calcium chloride produced by heating to remove water content, resulting in a dense, granular material with excellent moisture-absorbing properties. It is commonly used in laboratories as a powerful desiccant for drying gases and organic solvents, as well as in thermal and freezing point depression studies. Its high calcium ion content also makes it suitable for use in analytical chemistry, precipitation reactions, and electrolyte preparation. The 95% purity ensures reliable results while maintaining good thermal stability. Proper storage in airtight containers is essential to prevent rehydration and maintain its effectiveness.

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Description

Primary Uses
Powerful Drying Agent (Desiccant)

Commonly used in desiccators, drying tubes, or gas-drying setups for removing moisture from air, gases, and organic solvents.

Its fused form (melted and solidified) has minimal water of crystallization, making it especially effective in anhydrous conditions.

Heat Source in Exothermic Dissolution Experiments

Demonstrates exothermic dissolution when mixed with water — useful in thermodynamics teaching labs.

Reagent-Grade Calcium Source

Supplies Ca²⁺ ions in reactions where calcium is needed (e.g., precipitation of calcium oxalate or calcium carbonate in qualitative tests).

Secondary Uses
Simulation of Hard Water Conditions

Used to artificially harden water in laboratory water treatment and detergent performance studies.

Colligative Properties Studies

Helps illustrate freezing point depression or boiling point elevation concepts in general chemistry labs.

Hygroscopicity Comparison Experiments

Included in experiments to compare the moisture absorption efficiency of various desiccants.

PRODUCT KEY FEATURES

Basic Identification Attributes
Chemical Name: Calcium Chloride, Fused

Chemical Formula: CaCl₂

CAS Number: 10043-52-4

HS Code: 2827.20.00

Grade: Extra Pure (Laboratory Grade), Fused (~95% purity)

Synonyms: Fused CaCl₂, Fused calcium dichloride, anhydrous calcium chloride lumps
2. Physical & Chemical Properties
Appearance: White to off-white fused solid lumps or granules

Odor: Odorless

Molar Mass: 110.98 g/mol

Melting Point: ~772 °C

Boiling Point: >1600 °C (decomposes)

Solubility:

Freely soluble in water (highly exothermic)

Soluble in alcohol and acetone

Density: ~2.15 g/cm³

Hygroscopic: Highly hygroscopic — absorbs moisture rapidly

Form: Fused (partially melted and re-solidified) — denser and less powdery than regular anhydrous form
3. Safety & Hazard Attributes
GHS Classification:

Eye Irritant (Category 2A)

Skin Irritant (Category 2)

Hazard Statements:

H319: Causes serious eye irritation

H315: Causes skin irritation

Precautionary Statements:

Wear protective gloves and eye protection

Avoid contact with moisture and skin

NFPA Ratings:

Health: 1

Flammability: 0

Reactivity: 0
4. Storage & Handling Attributes
Storage Conditions:

Store in a tightly sealed container

Keep dry; protect from humidity

Use desiccant-grade packaging

Packaging: HDPE jars or airtight containers to prevent clumping and hydration

Handling Precautions:

Handle with gloves

Avoid inhalation of dust if granules are broken
5. Regulatory & Compliance Attributes
Transport Classification (UN): Not classified as hazardous for transport

Waste Disposal:

Dispose in accordance with local regulations for inorganic salts

Avoid releasing into the environment in bulk
6. Environmental & Health Impact
Toxicity:

Low oral and dermal toxicity

Irritant to eyes and skin upon contact

Ecotoxicity:

Can affect aquatic life at high concentrations due to salinity effects

Biodegradability: Not applicable (inorganic salt)

SAFETY HANDLING PRECAUTIONS

Personal Protective Equipment (PPE):

Wear a lab coat, safety goggles, and chemical-resistant gloves.

Use a dust mask or respirator in case of airborne particles.

Handling:

Avoid inhalation of dust and contact with skin or eyes.

Handle in a well-ventilated laboratory environment.

Keep the container tightly closed when not in use — hygroscopic material.

Storage:

Store in a cool, dry place in airtight containers.

Keep away from moisture, strong acids, and borates.

FIRST AID MEASURES
Inhalation:

Remove the person to fresh air.

If symptoms persist (coughing, irritation), seek medical attention.

Skin Contact:

Wash thoroughly with plenty of water and mild soap.

Remove contaminated clothing.

Get medical attention if irritation continues.

Eye Contact:

Rinse immediately with plenty of water for 15 minutes while holding eyelids open.

Seek medical attention if irritation occurs.

Ingestion:

Rinse mouth with water.

Do not induce vomiting.

Give water to drink. Seek immediate medical advice.

FIRE FIGHTING MEASURES
Flammability:

Non-flammable. However, it may react with water to release heat.

Extinguishing Media:

Use appropriate extinguishing agent for surrounding fire: dry chemical, foam, carbon dioxide, or water spray.

Hazardous Decomposition Products:

May emit hydrogen chloride (HCl) and calcium oxide (CaO) when heated.

Firefighter Protection:

Wear self-contained breathing apparatus (SCBA) and full protective gear.

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