Product Description of Polymethylene Polyphenyl Polyisocyanate CAS#9016-87-9
Polymethylene Polyphenyl Polyisocyanate (Polymeric MDI) is a core aromatic isocyanate raw material. It is a dark brown viscous liquid at room temperature, insoluble in water, and can efficiently cross-link with organic substances such as polyols. Featuring stable reaction activity and excellent curing molding performance, it is an indispensable basic polymerization raw material in the polyurethane industry.
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Chemical Properties of Polymethylene Polyphenyl Polyisocyanate CAS#9016-87-9
| Boiling point | 392 °C5 mm Hg |
| density | 1.2 g/mL at 25 °C(lit.) |
| vapor density | 8.6 (vs air) |
| refractive index | n20/D 1.634 |
| Fp | >230 °F |
| storage temp. | Refrigerator, Under inert atmosphere |
| solubility | DMSO (Sparingly), Ethyl Acetate (Slightly), Methanol (Soluble) |
| form | Oil |
| color | Yellow to Orange |
| Specific Activity | ~3.2isocyanate groups/molecule |
| Stability: | Stable. Incompatible with strong oxidizing agents, alcohols. May decompose in moist air, or on contact with water. |
| InChI | InChI=1S/C7H5NO.CH2O/c9-6-8-7-4-2-1-3-5-7;1-2/h1-5H;1H2 |
| InChIKey | JTEOXXUIKUHXLD-UHFFFAOYSA-N |
| SMILES | O=C=NC1C([H])=C([H])C([H])=C([H])C=1[H].O=C([H])[H] |
| IARC | 3 (Vol. 19, Sup 7) 1987 |
| EPA Substance Registry System | Polymeric diphenylmethane diisocyanate (9016-87-9) |
Safety Information
| Hazard Codes | Xn,T+,T,F |
| Risk Statements | 20-36/37/38-42-42/43-26-22-39/23/24/25-23/24/25-11-20/21/22 |
| Safety Statements | 26-28-38-45-36/37-23-16-7-36 |
| WGK Germany | 3 |
| RTECS | TR0350000 |
| TSCA | TSCA listed |
| Storage Class | 10 - Combustible liquids |
Hazard Classifications | Acute Tox. 4 Inhalation |
| Carc. 2 | |
| Eye Irrit. 2 | |
| Resp. Sens. 1 | |
| Skin Irrit. 2 | |
| Skin Sens. 1 | |
| STOT RE 2 Inhalation | |
| STOT SE 3 | |
| Hazardous Substances Data | 9016-87-9(Hazardous Substances Data) |
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Product Application of Polymethylene Polyphenyl Polyisocyanate CAS#9016-87-9
It is mainly used as the core raw material for polyurethane synthesis. It is widely applied in rigid polyurethane foam thermal insulation materials, polyurethane adhesives, waterproof coatings and elastomer products, and massively used in building thermal insulation, cold chain equipment, furniture filling, industrial sealing and composite material casting fields.
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