Calcium Hydroxide Nanoparticles / Nanopowder (Ca(OH)2, 30-50nm, purity: 99.5%)

₹1475.00

Technical Specifications

Property

Specification

Chemical Name

Calcium Hydroxide (Ca(OH)₂)

CAS Number

1305-62-0

Molecular Weight

74.09 g/mol

Purity

≥ 99.5%

Appearance / Color

Fine White Powder

Particle Size (Average)

30–50 nm

Morphology

Irregular / Near-Spherical

Crystal Structure

Hexagonal (Portlandite)

Density

~2.2 g/cm³

Bulk Density

0.15–0.35 g/cm³

Specific Surface Area (BET)

55–90 m²/g

Melting Point

Decomposes to CaO at ~580°C

Boiling Point

Not applicable (decomposes before boiling)

pH (Saturated Solution, 25°C)

12.3–12.6

Solubility (in Water, 20°C)

~1.6 g/L

Loss on Ignition (900°C)

~24.3% (as water loss to CaO)

Zeta Potential

+20 to +35 mV

Stability

Stable under dry conditions; reacts with CO₂ to form CaCO₃


Key Features

  • High Purity: 99.5% purity ensures minimal contamination and consistent performance.

  • Controlled Nanoparticle Size: 30–50 nm particles offer high surface area and enhanced reactivity.

  • Excellent Dispersibility: Uniform morphology allows even mixing in aqueous and composite systems.

  • Strong Alkalinity: High pH (~12.5) suitable for neutralization and catalytic applications.

  • High Surface Area: Improves reaction kinetics and adsorption capacity.

  • Chemically Stable: Retains phase stability under dry and ambient conditions.

  • Eco-Friendly Material: Non-toxic, non-flammable, and recyclable under standard handling.


Applications

1. Environmental Applications:

  • Water and wastewater treatment.

  • CO₂ sequestration and gas scrubbing.

  • Neutralization of acidic effluents.

2. Construction & Building Materials:

  • Nano-additive in cement, mortar, and concrete to enhance strength and durability.

  • Improves setting time and mechanical performance.

3. Catalysis & Chemical Processes:

  • Used as a base catalyst in organic synthesis and biodiesel production.

  • Supports catalytic activity in nanocomposites.

4. Biomedical & Antibacterial Uses:

  • Ingredient for antimicrobial coatings and dental materials (research grade).

  • Used in bio-mineralization and bone regeneration research.

5. Paper & Pulp Industry:

  • Employed for pH regulation, bleaching, and neutralization.

6. Research & Nanotechnology:

  • Ideal for material science studies, nanocomposites, and photocatalysis experiments.