Calcium Hydroxide Nanoparticles / Nanopowder (Ca(OH)2, 30-50nm, purity: 99.5%)
₹1448.00
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.