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  • Polymeric MDI CAS#9016-87-9
  • Polymeric MDI CAS#9016-87-9
  • Polymeric MDI CAS#9016-87-9
  • Polymeric MDI CAS#9016-87-9
  • Polymeric MDI CAS#9016-87-9

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Polymeric MDI CAS#9016-87-9

Polymeric MDI CAS#9016-87-9

Basic Information

Key Industrial Chemical：Polymethylene polyphenyl polyisocyanate (PAPI) is a crucial chemical intermediate widely used in industrial applications.


Versatile Composition：It is a mixture of diphenylmethane diisocyanate (MDI) and its higher molecular weight homologues, offering diverse reactivity and functionality.


Liquid Form at Room Temperature：Exists as a dark brown to yellow oily liquid, making it easy to handle and process in manufacturing.


Distinct Odor Characteristics：Has a weak or pungent odor, which can help in monitoring and safety handling during industrial use.



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product description

Products Description of Polymeric MDI CAS#9016-87-9

Polymethylene polyphenyl polyisocyanate (PAPI), also known as polymeric MDI (PMDI), is an important industrial chemical that generally appears as a dark brown to yellow oily liquid at ambient temperature and has a slight to pungent odor. It consists of a mixture of diphenylmethane diisocyanate (MDI) and its higher–molecular-weight homologues.

Product Application of Polymeric MDI CAS#9016-87-9

Polymethylene polyphenyl polyisocyanate is primarily used in the production of polyurethane materials. It finds wide application in industries such as construction, automotive, and electrical, serving as insulation materials, mattresses, and other related products.

Product Information

Parameters


Boiling point392 °C5 mm Hg
density1.2 g/mL at 25 °C(lit.)
vapor density8.6 (vs air)
refractive indexn20/D 1.634
Fp>230 °F
storage temp.Refrigerator, Under inert atmosphere
solubilityDMSO (Sparingly), Ethyl Acetate (Slightly), Methanol (Soluble)
formOil
colorYellow to Orange
Stability:Stable. Incompatible with strong oxidizing agents, alcohols. May decompose in moist air, or on contact with water.
InChIInChI=1S/C7H5NO.CH2O/c9-6-8-7-4-2-1-3-5-7;1-2/h1-5H;1H2
InChIKeyJTEOXXUIKUHXLD-UHFFFAOYSA-N
SMILESO=C=NC1C([H])=C([H])C([H])=C([H])C=1[H].O=C([H])[H]
IARC3 (Vol. 19, Sup 7) 1987
EPA Substance Registry SystemPolymeric diphenylmethane diisocyanate (9016-87-9)
Hazard CodesXn,T+,T,F
Risk Statements20-36/37/38-42-42/43-26-22-39/23/24/25-23/24/25-11-20/21/22
Safety Statements26-28-38-45-36/37-23-16-7-36
WGK Germany3
RTECSTR0350000
Hazardous Substances Data9016-87-9(Hazardous Substances Data)


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