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4, 4' -Diphenylmethane diisocyanate (MDI)

4, 4' -Diphenylmethane diisocyanate (MDI)
CAS No.: 101-68-8
Molecular Formula: C15H10N2O2
Molecular Weight:250.25
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Product Introduction

As an important organic compound, MDI is widely used in the production of polyurethane foams, elastomers, coatings, and adhesives.


CHEMICAL PROPERTIES

Chinese NameMethylenediphenyl Diisocyanate
English NameMethylenediphenyl diisocyanates (Abbr.: MDI)
Chemical FormulaC₁₅H₁₀N₂O₂
Molecular Weight250.25
CAS No.101-68-8
EINECS No.202-966-0
Melting Point36 ~ 39 °C
Boiling Point196 °C
Water SolubilityDecomposes upon contact
Density1.19 g/cm³
AppearanceColorless or light yellow solid
Flash Point200 °C
ApplicationPolyurethane foam plastics, elastomers, coatings
Risk PhrasesR23, R34, R42/43
UN Dangerous Goods No.2489
China Dangerous Goods No.61545


PRODUCT USAGE

Production of polyurethane elastomers—this is its primary application.

Manufacturing of synthetic fibers and artificial leather; for instance, it is used in certain synthetic leather products.

Production of solvent-free coatings and adhesives; it also finds application in the plastics and rubber industries.

Polyurethane foam made from it is used in sectors such as construction materials, automotive parts, and thermal insulation.

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FAQ

Q: Are you a factory or a trading company?

A: We are a company integrating manufacturing and trading.

Q: Can you provide samples for testing before mass production?

A: Of course. We can send you samples free of charge, and we also include a COA. However, you will be responsible for the shipping fee.

Q: How can I get an accurate quote?

A: Please provide the exact product specifications, particle size, color, and intended use, and we will provide you with an accurate quote.

Q: Can you provide a COA?

A: Of course, but only for standard products. If you require an accurate COA, we will produce and test samples before providing you with an accurate COA.

Q: Do you accept ODM or OEM services?

A: Yes, we offer customized services for ingredients, packaging, and labeling. We have strong design capabilities. Please contact us to design your own brand.

Q: Can I visit your factory before placing a large order?

A: Of course. We welcome you at any time.

Q: What is the loading port?

A: Usually Qingdao or Tianjin.

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