Product
- Main Product
- Methylene Diphenyl Diisocyanate
- Segment
- Chemicals
- Main-Family
- Functional Organic Products
- Sub-Family
- Isocyanates
- Physical State
-
Solid
- Product
- 2,4'-Methylene Diphenyl Diisocyanate
- Abbreviation
- 2,4'-MDI
- Names
- o-(p-Isocyanatobenzyl)phenyl isocyanate; 2,4'-Diisocyanatodiphenylmethane; 2,4'-Diphenylmethane diisocyanate; Diphenylmethane-2,4'-diisocyanate; 2,4'-Diphenylmethanediisocyanate; 2,4'-methylenediphenyl diisocyanate
-
2,4'-Diphenylmethane diisocyanate is an aromatic diisocyanate isomer with molecular formula C₁₅H₁₀N₂O₂ that contains isocyanate groups at asymmetric positions, creating differential reactivity where the group at the 4-position is approximately four times more reactive than the group at the 2-position, making it useful in specialized polyurethane applications requiring controlled reactivity.
Identifiers
-
CAS Number
- 5873-54-1
-
EC Number
- 227-534-9
-
ECHA InfoCard
- 100.025.031
-
IUPAC Name
- 1-isocyanato-2-(4-isocyanatobenzyl)benzene
-
PubChem ID
- 62593
Chemical Data
- Chemical Formula
-
C15H10N2O2
- Molecular Weight (g/mol)
- 220.25
- Boiling Point (°C)
- 314
- Melting Point (°C)
- 38
- Sulfur Content (wt%)
- 0
- Specific Gravity
- 1.23
Properties
- Default
- Status
- A
System Info
- Update by
-
Kokel, Nicolas - Updated
- 8/9/2025 8:52 AM
- Added by
-
Kokel, Nicolas
- Added
- 10/27/2021 5:23 AM
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Methylene diphenyl diisocyanate isomers and applications
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