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Methylene Diphenyl Diisocyanate

CAS: 101-68-8 | C15H10N2O2

2D Structure

3D Structure

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Basic Information

CAS Registry Number: 101-68-8
Molecular Formula: C15H10N2O2
Molecular Weight: 250.257 g/mol

Names and Synonyms:

Methylene Diphenyl Diisocyanate
Benzene, 1,1′-methylenebis[4-isocyanato-
Isocyanic acid, methylenedi-p-phenylene ester
1,1′-Methylenebis[4-isocyanatobenzene]
Bis(4-isocyanatophenyl)methane
Diphenylmethane 4,4′-diisocyanate
Methylenebis(4-isocyanatobenzene)
Bis(p-isocyanatophenyl)methane
p,p′-Methylenebis(phenyl isocyanate)
4,4′-Methylenebis(phenyl isocyanate)
Methylenebis(4-phenyl isocyanate)
Diphenylmethylene 4,4′-diisocyanate
Methylenedi-p-phenylene diisocyanate
Methylenedi-p-phenylene isocyanate
4,4′-Methylenediphenyl diisocyanate
4,4′-Diisocyanatodiphenylmethane
Methylenebis(p-phenylene isocyanate)
Methylbis(4-phenylisocyanate)
4,4′-Methylenediphenylene isocyanate
Methylenebis(4-phenylene isocyanate)
Methylenebis(p-phenyl isocyanate)
Bis(1,4-isocyanatophenyl)methane
MDI
Methylenebis-p-phenylene diisocyanate
Methyldi-p-phenylene isocyanate
4,4′-Diphenylmethane diisocyanate
p,p′-Diphenylmethane diisocyanate
4,4′-Methylenedi-p-phenylene diisocyanate
Diisocyanatodiphenylmethane
Methylenebis(phenyl isocyanate)
Diphenylmethane diisocyanate
Di(4-isocyanatophenyl)methane
4,4′-Methylenebis(isocyanatobenzene)
Methylenebisphenylene diisocyanate
4,4′-MDI
Isocyanic acid, diphenylmethylene ester
Diphenylmethylene diisocyanate
4,4′-Methylenedi(phenyl isocyanate)
4,4′-Bis(isocyanatophenyl)methane
Methylene diphenyl diisocyanate
NSC 9596
Diphenylmethyl diisocyanate
Methylene diisocyanate
Bis(isocyanatophenyl)methane
Methylenediphenylisocyanate
p,p′-Methylenediphenyl diisocyanate
4,4′-Methylenebis(phenylisocyanate)
MDI 80
p,p′-Methylene diphenyl diisocyanate

Identifiers:

SMILES:
O=C=Nc1ccc(Cc2ccc(N=C=O)cc2)cc1
InChI:
InChI=1S/C15H10N2O2/c18-10-16-14-5-1-12(2-6-14)9-13-3-7-15(8-4-13)17-11-19/h1-8H,9H2

Spectral Data

NMR, IR, and Mass spectral data

1H NMR
13C NMR
Predicting NMR spectra...
10 ppm 9 8 7 6 5 4 3 2 1 0 ppm
Shift (ppm) Multiplicity Integration Assignment
200 ppm 180 160 140 120 100 80 60 40 20 0 ppm
Shift (ppm) DEPT Assignment

Note: These NMR spectra are predicted computationally and may differ from experimental data. Predictions are based on chemical environment analysis.

External Resources

All Properties

Comprehensive physical and chemical properties

Molecular

Property Value Source
Molecular Weight 250.257 g/mol RDKit

Exact

Property Value Source
Exact Molecular Weight 250.07422756 g/mol RDKit

Heavy

Property Value Source
Heavy Atom Count 19 count RDKit

Hydrogen

Property Value Source
Hydrogen Bond Acceptors 4 count RDKit
Hydrogen Bond Donors 0 count RDKit

Rotatable

Property Value Source
Rotatable Bonds 4 count RDKit

Aromatic

Property Value Source
Aromatic Ring Count 2 count RDKit

Topological

Property Value Source
Topological Polar Surface Area 58.86 Ų RDKit

Physical Properties

Property Value Source
LogP 3.2120000000000015 RDKit
molecular_mass 250.26 g/mol Legacy Database
density 1.20 g/cm³ Legacy Database
wikipedia_url https://en.wikipedia.org/wiki/Methylene_diphenyl_diisocyanate None Legacy Database
cas-boiling-point 196 °C @ Press: 5 Torr None Legacy Database
cas-canonical-smile O=C=NC1=CC=C(C=C1)CC2=CC=C(N=C=O)C=C2 None Legacy Database
cas-density 1.197 g/cm3 @ Temp: 70 °C None Legacy Database
cas-inchi InChI=1S/C15H10N2O2/c18-10-16-14-5-1-12(2-6-14)9-13-3-7-15(8-4-13)17-11-19/h1-8H,9H2 None Legacy Database
cas-inchi-key InChIKey=UPMLOUAZCHDJJD-UHFFFAOYSA-N None Legacy Database
cas-melting-point 37 °C None Legacy Database
cas-name Diphenylmethane diisocyanate None Legacy Database
wikipedia-name Methylene diphenyl diisocyanate None Legacy Database

Molar

Property Value Source
Molar Refractivity 71.25300000000003 RDKit

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