Factory Supply 3,4 - Dichlorophenyl isocyanate (CAS 102 - 36 - 3) is a highly reactive organic compound with significant industrial importance. Its chemical formula is C₇H₃Cl₂NO, and it has a molecular weight of approximately 204.01 g/mol. This colorless to pale - yellow liquid has a pungent odor. It is sparingly soluble in water but soluble in common organic solvents such as toluene, benzene, and chloroform. The boiling point of 3,4 - Dichlorophenyl isocyanate is around 265 - 267 °C, and its melting point is about 21 - 23 °C. It should be stored in a cool, dry, well - ventilated area away from sources of ignition and incompatible materials.
3,4 - Dichlorophenyl isocyanate is widely used in the production of polyurethane materials. Polyurethanes are known for their excellent mechanical properties, including high strength, flexibility, and abrasion resistance. As such, this compound is used in the manufacture of polyurethane foams, which find applications in furniture upholstery, automotive seating, and insulation materials. Additionally, it is used in the production of coatings and adhesives. The coatings made from 3,4 - Dichlorophenyl isocyanate offer good chemical resistance and durability, making them suitable for protecting metal surfaces in industrial settings. Adhesives based on this isocyanate have strong bonding capabilities, which are used in various industries, such as woodworking and construction.
When using 3,4 - Dichlorophenyl isocyanate, strict safety measures should be followed. Operators must wear appropriate personal protective equipment (PPE), including chemical - resistant gloves, safety goggles, and a respirator. The compound should be handled in a well - ventilated fume hood to prevent inhalation of vapors. During the production of polyurethane foams, it is typically reacted with polyols in the presence of a catalyst. The ratio of the isocyanate to the polyol must be carefully controlled to achieve the desired properties of the final foam product. For coatings and adhesives, it is mixed with other components according to the specific formulation requirements. After use, any unused product should be properly stored in its original container with the cap tightly closed.
Case 1: Furniture Manufacturing Company
A furniture manufacturing company was looking to improve the quality of its sofa cushions. They switched from using a traditional foam material to a polyurethane foam produced with 3,4 - Dichlorophenyl isocyanate. The new foam offered better support and comfort, which led to an increase in customer satisfaction. The company also noticed a reduction in production costs due to the longer lifespan of the foam molds, as the new polyurethane foam was less abrasive. This switch resulted in a 15% increase in sales within six months.
Case 2: Industrial Coating Application
An industrial plant that produces metal parts needed to protect its products from corrosion in a harsh chemical environment. They applied a coating made with 3,4 - Dichlorophenyl isocyanate to the metal parts. The coating provided excellent chemical resistance, and after a year of exposure to the corrosive substances, the metal parts showed minimal signs of corrosion. This significantly extended the service life of the metal parts, saving the plant a large amount of money on replacement costs.
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