Methylene Diphenyl Diisocyanate (CAS 101-68-8)

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Methylene Diphenyl Diisocyanate

CAS No. 101-68-8
二苯基甲烷二异氰酸酯
Methylene Diphenyl Diisocyanate structure
Chemical structure
CAS No.101-68-8
SynonymsMDI; 4,4-MDI
CategorySolvents / Isocyanates
Assay / PurityIndustrial grade
Molecular FormulaC15H10N2O2
Molecular Weight250.25
Melting Point37 °C
Boiling Point196 °C (5 mmHg)
Density1.197 g/cm³
Flash Point196 °C
AppearanceWhite to pale yellow solid

Application and positioning

Polymeric and pure MDI is supplied as a low-melting solid or in molten form. Used in rigid polyurethane foam for insulation panels, in TPU, in adhesives, and as a binder for wood-based panels. Laurand ships it from audited Chinese producers in drum, IBC or ISO tank quantities, with the documentation your market requires.

Quality and documentation

  • Batch-specific Certificate of Analysis from the producing plant
  • SDS in the language of your market, with GHS classification for the destination
  • Specification sheet, GC purity and water content reported per lot
  • Pre-shipment sample for laboratory approval on first orders

Packaging and handling

  • 200 L steel or HDPE drums, 1000 L IBC and ISO tank containers; pack size confirmed at quotation
  • Hazard class and UN number stated on the transport documents, dangerous-goods packing where required
  • Store cool and ventilated away from ignition sources, containers kept closed

Related products

Physical properties are typical values from published literature. The specification of the delivered lot is confirmed with the quotation.

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Contact us for price, COA, MSDS and lead time — drum, IBC and ISO tank supply.

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Reference: CAS 101-68-8 · PubChem CID 7570