
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.
