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Isophorone diisocyanate (IPDI) price index

This post is a summary of the Isophorone diisocyanate (IPDI) price developments. The price developments of Isophorone diisocyanate (IPDI) are expressed in US$ prices converted FX rates applicable at the time when the price was valid. Isophorone diisocyanate (IPDI) price index developments are calculated from multiple separate sources of data to ensure statistical accuracy.

The outlook for Isophorone diisocyanate (IPDI) prices, on the second tab, is generated from different inputs including:

  • Very recent price developments of immediate cost drivers of Isophorone diisocyanate (IPDI) prices
  • Recent price developments of underlying feedstocks which drive the price of Isophorone diisocyanate (IPDI)
  • Market futures for both cost drives and feedstocks of Isophorone diisocyanate (IPDI) prices
  • Adjustment of current supply/demand imbalances in the Isophorone diisocyanate (IPDI) market
  • Longer term trends in likely demand conditions

Further information on the Isophorone diisocyanate (IPDI) price index

Here is some further information


What is IPDI

IPDI, or isophorone diisocyanate, is a chemical compound that is used in the production of polyurethane resins, plastics, and other products. It is a colorless liquid with a strong, unpleasant odor that is highly reactive and can be harmful if inhaled or ingested.

IPDI is produced by the reaction of isocyanic acid with isophorone, a chemical compound that is derived from petroleum. It is used as a building block for the production of polyurethane resins and other polymers.

IPDI is used in a wide range of applications, including the production of coatings, adhesives, sealants, and foams. It is also used in the production of fibers, films, and elastomers.

IPDI is a hazardous chemical and should be handled with caution. Protective measures should be taken when working with IPDI to avoid exposure to it.

How is IPDI produced

IPDI (isophorone diisocyanate) is a chemical compound that is used as a raw material in the production of polyurethane polymers. It is typically produced through a chemical reaction between isophorone and an excess of an aromatic diisocyanate, such as toluene diisocyanate (TDI) or methylene diphenyl diisocyanate (MDI).

The production of IPDI typically involves the following steps:

Preparation of reactants

The isophorone and the aromatic diisocyanate are weighed and prepared according to the desired stoichiometric ratio.


The reactants are mixed together, typically using a mechanical stirrer or a high-shear mixer.


The mixture is heated to a temperature of around 140-180°C to initiate the chemical reaction between the isophorone and the diisocyanate. The reaction is exothermic, meaning that it releases heat as it progresses.


The reaction mixture is distilled to separate the IPDI from any by-products or unreacted reactants.


The IPDI is purified through a series of steps, including filtration and distillation, to remove impurities and produce a high-quality product.

It is important to note that the production of IPDI, like any chemical process, requires careful handling and strict adherence to safety protocols to ensure the safety of workers and the environment.


What is IPDI used for

IPDI (isophorone diisocyanate) is a chemical compound that is used as a raw material in the production of polyurethane polymers. Polyurethanes are a class of polymers that are formed through the reaction of a polyol with a diisocyanate, such as IPDI. The properties of the resulting polymer can be modified by changing the type and amount of polyol and diisocyanate used, as well as by adding other chemicals called chain extenders and crosslinkers.

Polyurethanes are used in a wide range of applications, including:


Polyurethane coatings are used to protect surfaces from wear, corrosion, and other types of damage. They are often used on metal surfaces, such as automotive parts and aircraft components, as well as on wood and other materials.


Polyurethane adhesives are used to bond together a variety of materials, including metal, plastic, and wood. They are known for their strong bond strength and ability to withstand temperature changes and other harsh conditions.


Polyurethane foam is used as an insulation material in buildings, appliances, and other applications to reduce heat loss and improve energy efficiency.


Polyurethane foam is used in a wide range of products, including upholstery, bedding, and cushions, for its cushioning and comfort properties. It is also used in the construction of vehicles and boats, as well as in packaging and insulation applications.


Polyurethane elastomers are highly flexible and stretchy materials that are used in a variety of applications, including tires, seals, and gaskets.

Cast resins

Polyurethane cast resins are used in the production of prototypes and other low-volume parts. They are known for their accuracy, surface finish, and ability to produce complex shapes.

Overall, IPDI and polyurethanes made from it are widely used in a variety of applications due to their versatility, durability, and performance characteristics.


Further reading


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