Isophorone Diisocyanate

​Isophorone Diisocyanate (IPDI)

Chemical Formula: C₁₂H₁₈N₂O₂
Classification: Diisocyanate with two reactive ​isocyanate groups (-N=C=O).
Physical Form: Colorless to pale yellow liquid; derived from ​isophorone (cyclic ketone).
Key Features: UV-resistant, non-yellowing, and stable under harsh conditions.

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​Properties

​Reactivity:Reacts vigorously with ​active hydrogen-containing compounds (e.g., alcohols, amines).​Stability:Resistant to ​UV light and weathering; ideal for outdoor use.​Solubility:Soluble in organic solvents; reacts with water.

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​Applications

​Polyurethane Production:Key raw material for ​polyurethane coatings, adhesives, and elastomers.​Coatings:Enhances durability and flexibility in ​automotive, industrial, and wood coatings.​Adhesives & Sealants:Improves performance in ​high-strength adhesives and sealants.​Specialty Polymers:Used in ​light-stable, weather-resistant polymers (e.g., aerospace materials).

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​Safety Considerations

​Toxicity: Toxic and a ​respiratory irritant.​Handling: Requires ​proper ventilation, gloves, and protective equipment.

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Summary:
IPDI’s ​reactivity, stability, and UV resistance make it indispensable in polyurethanes, coatings, and adhesives. Despite its industrial value, strict ​safety protocols are essential due to its toxicity.

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