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3,3′-Dimethylbiphenyl 4,4′-Diisocyanate

CAS: 91-97-4 | C16H12N2O2

2D Structure

3D Structure

Loading 3D structure...

Basic Information

CAS Registry Number: 91-97-4
Molecular Formula: C16H12N2O2
Molecular Mass: 264.28 g/mol

Names and Synonyms:

3,3′-Dimethylbiphenyl 4,4′-Diisocyanate
1,1′-Biphenyl, 4,4′-diisocyanato-3,3′-dimethyl-
Isocyanic acid, 3,3′-dimethyl-4,4′-biphenylylene ester
4,4′-Diisocyanato-3,3′-dimethyl-1,1′-biphenyl
Bitolylene diisocyanate
3,3′-Dimethyl-4,4′-biphenylylene diisocyanate
Nacconate 200
3,3′-Dimethylbiphenyl 4,4′-diisocyanate
4,4′-Diisocyanato-3,3′-bitolyl
3,3′-Bitolylene-4,4′-diisocyanate
3,3′-Dimethyl-4,4′-biphenylene isocyanate
3,3′-Dimethyl-4,4′-diphenylene diisocyanate
4,4′-Diisocyanato-3,3′-dimethylbiphenyl
NSC 9599
o-Tolidine diisocyanate
4,4′-Diisocyanato-3,3-dimethylbiphenyl
3,3′-Dimethyl-4,4′-diisocyanatobiphenyl
TODI
4,4′-Diisocyanato-3,3′-dimethyldiphenyl
3,3′-Dimethyl-4,4′-biphenylene diisocyanate
1-Isocyanato-4-(4-isocyanato-3-methylphenyl)-2-methylbenzene

Identifiers:

SMILES:
Cc1cc(-c2ccc(N=C=O)c(C)c2)ccc1N=C=O
InChI:
InChI=1S/C16H12N2O2/c1-11-7-13(3-5-15(11)17-9-19)14-4-6-16(18-10-20)12(2)8-14/h3-8H,1-2H3

Key Properties

Melting Point
69.5-70.5 °C CAS Common Chemistry

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

Property Value Source
Molecular Mass 264.28 g/mol CAS Common Chemistry
264.284 g/mol RDKit
264.089877624 g/mol RDKit
Canonical SMILES O=C=NC=1C=CC(=CC1C)C2=CC=C(N=C=O)C(=C2)C CAS Common Chemistry
InChI InChI=1S/C16H12N2O2/c1-11-7-13(3-5-15(11)17-9-19)14-4-6-16(18-10-20)12(2)8-14/h3-8H,1-2H3 CAS Common Chemistry
InChI Key InChIKey=ICLCCFKUSALICQ-UHFFFAOYSA-N CAS Common Chemistry
Melting Point 69.5-70.5 °C CAS Common Chemistry
Name 3,3′-Dimethylbiphenyl 4,4′-diisocyanate CAS Common Chemistry
Heavy Atom Count 20 RDKit
Hydrogen Bond Acceptors 4 RDKit
Hydrogen Bond Donors 0 RDKit
Rotatable Bonds 3 RDKit
Aromatic Ring Count 2 RDKit
Topological Polar Surface Area 58.86 Ų RDKit
LogP 3.9050400000000023 RDKit
Molar Refractivity 76.91500000000003 RDKit

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