3,3′-Dimethylbiphenyl 4,4′-diisocyanate

CAS Registry Number®

91-97-4
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CAS Name

3,3′-Dimethylbiphenyl 4,4′-diisocyanate

Molecular Formula

C16H12N2O2

Molecular Mass

264.28

Cite this Page

3,3′-Dimethylbiphenyl 4,4′-diisocyanate.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/ChemicalDetail.aspx?ref=91-97-4 (retrieved 2024-04-29) (CAS RN: 91-97-4).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Melting Point (1)

    69.5-70.5 °C

Source(s)

Other Names and Identifiers

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

InChIKey

InChIKey=ICLCCFKUSALICQ-UHFFFAOYSA-N

SMILES

CC=1C=C(C=CC1N=C=O)C2=CC(C)=C(N=C=O)C=C2

Canonical SMILES

O=C=NC=1C=CC(=CC1C)C2=CC=C(N=C=O)C(=C2)C

Other Names for this Substance

  • 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

Deleted or Replaced CAS Registry Numbers

119684-28-5, 137534-82-8

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