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Calcium Chloride Dihydrate Extra Pure Amaris Chemical
Calcium Chloride Dihydrate Extra Pure
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LABORATORY GRADE

Calcium Chloride Dihydrate Extra Pure

Original price was: $ 18.00.Current price is: $ 17.82.

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Calcium Chloride Dihydrate Extra Pure is a high-purity, white crystalline compound with the chemical formula CaCl₂·2H₂O. It is highly soluble in water and hygroscopic, making it effective as a drying agent, desiccant, and moisture absorber. This extra pure grade is suitable for laboratory use, analytical applications, and precise chemical processes where high-quality reagents are essential. It is also used in buffer solutions, preparation of calcium salts, and various industrial and environmental applications requiring controlled calcium ion concentrations.

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Description

Calcium Chloride Dihydrate Extra Pure

Primary Uses

  1. Drying Agent / Desiccant
    • Used to absorb moisture from gases or organic solvents in drying tubes, desiccators, and sample preservation.
    • Preferred in cases where mild hygroscopic action is required without strong exothermic reactions.
  2. Source of Calcium Ions in Reactions
    • Provides Ca²⁺ ions in qualitative and quantitative chemical analysis, often in double displacement reactions, flame tests, or ionic precipitation studies.
  3. Electrolyte in Laboratory-Scale Experiments
    • Utilized in electrochemical cells or conductivity studies where calcium ions are needed.
  4. Osmotic Agent in Molecular Biology
    • Sometimes used in bacterial transformation protocols to increase cell membrane permeability in CaCl₂-competent cell preparation.

Secondary Uses

  1. Freezing Point Depression Studies
    • Used in colligative property experiments to demonstrate depression of freezing point and understand solute effects in solutions.
  2. Heat Generation Demonstrations
    • Dissolution in water is exothermic, useful for energy change (enthalpy) experiments or to demonstrate solvation heat release.
  3. Precipitation Reactions in Teaching Labs
    • Reacted with sodium carbonate or oxalate to form precipitates (e.g., CaCO₃ or CaC₂O₄), common in qualitative analysis training.
KEY PRODUCT FEATURES

1. Basic Identification Attributes

  • Chemical Name: Calcium Chloride Dihydrate
  • Chemical Formula: CaCl₂·2H₂O
  • CAS Number: 10035-04-8
  • HS Code: 2827.20.00
  • Grade: Extra Pure (Laboratory Grade)
  • Synonyms: Calcium dichloride dihydrate, CaCl₂·2H₂O

2. Physical & Chemical Properties

  • Appearance: White, crystalline solid or granules
  • Odor: Odorless
  • Molar Mass: 147.01 g/mol
  • Melting Point: 176 °C (decomposes upon further heating)
  • Solubility:
    • Highly soluble in water
    • Soluble in ethanol and methanol
  • Density: ~1.85 g/cm³
  • Hygroscopic: Yes – absorbs moisture from air rapidly
  • Stability: Stable under recommended conditions

3. Safety & Hazard Attributes 

  • GHS Classification: Eye Irritation (Category 2A)
  • Hazard Statements:
    • H319: Causes serious eye irritation
  • Precautionary Statements:
    • Wear protective gloves/eye protection
    • Wash hands thoroughly after handling
  • NFPA Ratings:
    • Health: 1
    • Flammability: 0
    • Reactivity: 0

4. Storage & Handling Attributes

  • Storage Conditions:
    • Keep container tightly sealed
    • Store in a cool, dry, well-ventilated place
    • Use desiccators if long-term dryness is critical
  • Packaging: HDPE containers, moisture-proof plastic bottles
  • Handling Precautions:
    • Avoid contact with eyes and prolonged skin exposure
    • Use PPE in lab-scale handling

5. Regulatory & Compliance Attributes

  • Transport Classification (UN): Not regulated
  • Disposal:
    • Dispose as non-hazardous inorganic waste
    • Follow local environmental disposal guidelines

6. Environmental & Health Impact

  • Toxicity:
    • Low toxicity at lab-scale exposure levels
    • May irritate skin and eyes in concentrated form
  • Ecotoxicity:
    • Can raise salinity in aquatic systems if released in large quantities
  • Biodegradability: Not applicable – inorganic salt
SAFETY HANDLING PRECAUTIONS

SAFETY PRECAUTIONS

  1. Personal Protective Equipment (PPE):
    • Wear safety goggles, gloves, lab coat, and dust mask if powder is handled.
  2. Handling:
    • Avoid contact with skin, eyes, and clothing.
    • Handle with care as it is hygroscopic (absorbs moisture).
    • Do not breathe dust.
  3. Storage:
    • Store in a tightly sealed container.
    • Keep in a cool, dry, well-ventilated area away from incompatible materials like strong acids.
  4. Incompatibilities:
    • Strong acids, borates, and silver salts.

FIRST AID MEASURES

  1. Inhalation:
    • Move to fresh air.
    • Seek medical attention if irritation persists.
  2. Skin Contact:
    • Wash thoroughly with water and soap.
    • Remove contaminated clothing.
  3. Eye Contact:
    • Flush with plenty of water for at least 15 minutes.
    • Seek medical help if irritation continues.
  4. Ingestion:
    • Rinse mouth.
    • Give water to dilute.
    • Do not induce vomiting. Seek medical advice.

FIRE FIGHTING MEASURES

  1. Flammability:
    • Not flammable.
  2. Extinguishing Media:
    • Use suitable media for surrounding fire (e.g., water spray, dry chemical, foam).
  3. Hazardous Decomposition Products:
    • May emit chloride fumes or calcium oxide at high temperatures.
  4. Firefighting Instructions:
    • Wear protective equipment and SCBA in case of heavy smoke.

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