Isophoronediamine

Isophoronediamine (IPDA)

• CAS Number: 2855-13-2
• Molecular Formula: C₁₀H₂₂N₂
• Molecular Weight: 170.3 g/mol
• Appearance: Clear to faint yellow liquid

Physical & Chemical Properties:

• Physical form: Liquid (may solidify near 10 °C)
• Melting point: ~10 °C
• Boiling point: ~247 °C
• Density: ~0.92-0.93 g/mL at 20 °C
• Water solubility: Miscible

Uses & Function:

• Main use: Epoxy resin curing agent (hardener); improves toughness, chemical resistance, and mechanical strength.
• Other uses: Manufacture of polyamides, urethanes, and chemical intermediates.

Safety & Hazard Information:

• Hazard classification: Corrosive (GHS05), can cause severe skin burns and eye damage.
• Acute toxicity: Harmful if swallowed or absorbed through skin.
• Skin sensitizer: May cause allergic skin reactions.
• Aquatic hazard: Harmful to aquatic life with long-lasting effects.

Exposure & Health Effects:

• Causes Skin burns and corrosion on contact
• Severe eye damage
• Respiratory irritation if inhaled
• May trigger allergic sensitization
• Toxicity: LD₅₀ (oral, rat) ~1030 mg/kg

Handling & Storage:

• Use PPE: gloves, goggles, lab coat, and a face shield, and ensure proper ventilation
• Store cool (<30 °C), tightly capped, away from oxidizers and acids
• Avoid contact with skin, eyes, or inhalation