Polymeric MDI
| Formula: | (C₁₅H₁₀N₂O₂)n |
| CAS Number: | 9016-87-9 |
| EC Number (EINECS): | 618-498-9 |
| HS Code: | 29269090 |
| UN Number: | 2078 |
| IUPAC Name: | 4,4'-Methylenediphenyl Diisocyanate, Polymer |
| Also Known As: | PMDI; Polymer MDI; Polymeric Diphenylmethane Diisocyanate |
| Molecular Weight, g/mol: | 250–500 (average, polymeric mixture) |
Typical Specifications
| Appearance: | Brownish, viscous liquid or pasty solid |
| Odor: | Pungent, characteristic isocyanate odor |
| Melting Point, °C: | 40–50 |
| Boiling Point, °C: | Decomposes before boiling |
| Flash Point, °C: | >200 (closed cup) |
| Solubility: | Insoluble in water, soluble in aromatic solvents |
| Purity, %: | ≥98 |
| Packaging: | 200kg drums, 1000kg IBC |
Applications / Uses
Primary Applications
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Production of flexible and rigid polyurethane foams
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Raw material for coatings, adhesives, sealants, elastomers (CASE)
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Component in composite wood products (particleboard, MDF)
Secondary Applications
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Manufacture of specialty polymers and elastomeric components
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Industrial coatings and insulation materials
End Industries Served: Polyurethane Foam, CASE (Coatings, Adhesives, Sealants, Elastomers), Construction, Automotive, Furniture, Insulation
Safety & Handling Information
Hazard Class (GHS): Skin sensitizer (Category 1), Acute Toxicity (Category 4), Respiratory sensitizer (Category 1)
Hazard Statements (H-Codes):
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H315: Causes skin irritation
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H317: May cause allergic skin reaction
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H319: Causes serious eye irritation
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H334: May cause allergy or asthma symptoms or breathing difficulties if inhaled
Precautionary Statements (P-Codes):
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P260: Do not breathe dust/fume/gas/mist/vapors/spray
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P280: Wear protective gloves/eye protection/face protection
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P302 + P352: IF ON SKIN – wash with plenty of water
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P304 + P341: IF INHALED – remove person to fresh air and keep comfortable for breathing
Storage Conditions
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Store in a cool, dry, well-ventilated area
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Keep containers tightly closed
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Protect from moisture and humidity (reactive with water)
Transport Information
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ADR/RID: Class 6.1, UN2078, PG II
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IMDG: Class 6.1, UN2078
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IATA: Class 6.1, UN2078