Product name: PPDI
Chemical Chinese Name: P-phenylene diisocyanate
Chemical English Name: 1,4-Phenylene diisocyanate
Recommended use: Chain Extender
The product is solid, sheet crystal or powder. Harmful if inhaled; irritating to eyes, respiratory system and skin. May cause sensitization after inhalation. Persons with respiratory diseases such as chronic bronchitis should avoid handling this material. Dust, steam and smoke are the main hazards to the respiratory tract.
Storage: Keep sealed and dry. Do not put it together with food; avoid exposure to environments above 30°C. Water pollution type (WGK): 1- Slightly pollutes water. VCI Classification: 11 This product can cause a dust explosion. Avoid electrostatic contact when handling. the
Physical and chemical properties Appearance and properties: Pale yellow to white flakes Crystal or powder Odor: No information Odor Threshold: No information pH: No information Melting point/freezing point (°C): 96 ~99°C (ICSC) Boiling point/boiling range (°C): 260℃ Flash point (°C): No information available The upper and lower limits of combustion/explosion[%(v /v)]: Not applicable Vapor pressure (mmHg): 0.048mmHg at 25°C (ICSC) relative vapor density (air=1): No information relative water density (water=1): 1.17 g/cm3 (ICSC) Solubility in water (g/L): insoluble , reacts with water (ICSC) n-octanol/water partition coefficient ( LogKow): No information Auto-ignition temperature (°C): no information Decomposition temperature: No information Evaporation rate: no information Flammability: Non-flammable (ICSC) Explosiveness: No information Oxidation: No information Surface Tension (dyn/cm2): No Apply Kinematic viscosity (mm2 /s): no Apply the
Stability and reactivity Stability: Stable under normal handling and storage conditions. Possible Hazardous Reactions: exothermic reaction with amines and alcohols; It reacts with water to release carbon dioxide. If it is sealed in a container with water, it will explode due to the increase of air pressure. Conditions to avoid: Open flames, sparks, high heat or other fires source, incompatibles. Incompatible substances: Water, amine, alcohol.
Hazardous Decomposition Products: Proper storage and handling will not be harmful Decomposition products. On heating produces: Carbon oxides, nitrogen oxides.
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