1,3-Bis(isocyanatomethyl)benzene: a widely used chemical raw material
1,3-Bis(isocyanatomethyl)benzene, also known as MXDA, is an important chemical raw material and intermediate and is widely used in industrial production. Its main uses include:
1. Production of polyurethane
1,3-Bis(isocyanatomethyl)benzene is one of the important polyurethane raw materials. Polyurethane is a high-performance polymer with good wear resistance, chemical corrosion resistance, high temperature resistance and other properties. It is widely used in automobiles, construction, electronic appliances and other fields.
2. Production of isocyanate resin
1,3-Bis(isocyanatomethyl)benzene can be used to produce isocyanate resin. Isocyanate resin is a high-performance thermosetting resin with good heat resistance, corrosion resistance, mechanical strength and electrical properties. It is widely used in aerospace, electronics Electrical appliances, building materials and other fields.
3. Other uses
1,3-Bis(isocyanatomethyl)benzene can also be used in the production of rubber additives, pharmaceutical intermediates, dyes, etc.
Physical and chemical properties of 1,3-Bis(isocyanatomethyl)benzene
Appearance: colorless or light yellow liquid
Odor: Pungent smell
Melting point: 33 - 35 °C
Boiling point: 247 °C
Density: 1.20 g/cm³
Refractive index: 1.544
Solubility: soluble in water, ethanol, acetone, etc.
Safety and environmental protection of 1,3-Bis(isocyanatomethyl)benzene
1,3-Bis(isocyanatomethyl)benzene has certain toxicity and is irritating to skin, eyes and respiratory tract. Long-term exposure to 1,3-Bis(isocyanatomethyl)benzene may cause damage to the reproductive and endocrine systems.
1,3-Bis(isocyanatomethyl)benzene is one of the environmental hormones that can cause harm to aquatic organisms. Therefore, safety and environmental protection should be paid attention to when producing, using and transporting 1,3-methylbenzene diisocyanate.
Market status of 1,3-Bis(isocyanatomethyl)benzene
The global market size of 1,3-Bis(isocyanatomethyl)benzene is approximately billions of dollars. China is the main producer and consumer of 1,3-Bis(isocyanatomethyl)benzene. In recent years, with the rapid development of downstream industries, the demand for 1,3-Bis(isocyanatomethyl)benzene has continued to grow.
Future development of 1,3-Bis(isocyanatomethyl)benzene
It is expected that the demand for 1,3-Bis(isocyanatomethyl)benzene will continue to grow in the next few years. Key drivers include:
Growth of downstream industries (such as polyurethane, isocyanate resin, etc.)
Growing demand for environmentally friendly 1,3-Bis(isocyanatomethyl)benzene products
1,3-Bis(isocyanatomethyl)benzene production companies will face the following challenges:
Raw material price fluctuations
Environmental regulations are becoming stricter
Competition in downstream industries intensifies
in conclusion
1,3-Bis(isocyanatomethyl)benzene is an important chemical raw material with broad application prospects. 1,3-Methylbenzene diisocyanate manufacturers should actively respond to challenges and continuously improve product quality and technical level to meet market demand.
Here are some things to note:
The Chinese name of methylbenzene 1,3-diisocyanate is also often called isophthalic diisocyanate (MXDA).
1,3-Methylbenzene diisocyanate has certain toxicity, so you should pay attention to safety and protection when using it.
1,3-Methylbenzene diisocyanate is one of the environmental hormones, so attention should be paid to environmental protection.