Hexamethylene diisocyanate (HDI) Product Overview and alias aliphatic diisocyanate monomer, hexamethylene 1,6-diisocyanate, hexamethylene diisocyanate CAS: 822-06-0 Chemical formula: C8H12N2O2 Molecular Weight Mr = 168.2 Product Specifications (for France Pont-de-Claix products) Chroma ≤15 HAZEN (Apha) ≤0.035% hydrolyzable chlorine total chlorine content ≥99.5% ≤0.1% detection methods are available upon request Physical Properties Appearance clear liquid Colour colorless Odour pungent, tear-density (25 ° C) 1050 kg / m3 Specific heat (20 ° C) 1.76 kJ / kg crystallization point - 67 ° C Boiling point (1.33 KPa) 122 ° C Boiling point (1013 hPa) 261 ° C vapor pressure (20 ° C) 2.2 × 10-3 mbar (0.22 Pa) vapor pressure (30 ° C) 7.2 × 10-3 mbar (0.72 Pa) ignition point 454 ° C Flash point (closed) 130 ° C Vapor Density chemical synthesis (Air = 1) 6 saturated vapor concentration (20 ° C) 46 mg / m3 saturated vapor concentration (30 ° C) 137 mg / m3 application HDI for aliphatic polyisocyanates and polyurethanes, such as weathering resistance and flexibility of water-dispersed polyurethane polymer (PUD). Risks and safety instructions diisocyanate monomer is reactive chemicals, must operate under strict conditions. They are strongly irritating to the skin, eyes and respiratory tract, it may be used as the skin, the respiratory tract and lung sensitizer. Before operating this product, please read the safety data sheet carefully. In the INRS (French National Research and Safety Institute) toxicity specification, hexamethylene diisocyanate is prepared for the number 164. Packaging and transport Packaging (please contact our sales staff) per pallet Weight 800 kg (net weight 200kg 4 barrel) Other packaging: upon request Transport Regulated, please refer to the safety data sheet. Storage conditions and shelf life of HDI sensitive to moisture and should be stored in their original packaging or dry nitrogen container tank. At a temperature below 40 ℃ appropriate storage conditions, original sealed packaging stored in twelve months usually do not have any impact on the product.