Back to Search

4-Phenyl-1,2,4-Triazole-3,5-Dione

CAS: 4233-33-4 | C8H5N3O2

2D Structure

3D Structure

Loading 3D structure...

Basic Information

CAS Registry Number: 4233-33-4
Molecular Formula: C8H5N3O2
Molecular Mass: 175.15 g/mol

Names and Synonyms:

4-Phenyl-1,2,4-Triazole-3,5-Dione
3H-1,2,4-Triazole-3,5(4H)-dione, 4-phenyl-
Δ1-1,2,4-Triazoline-3,5-dione, 4-phenyl-
4-Phenyl-3H-1,2,4-triazole-3,5(4H)-dione
4-Phenyl-Δ1-1,2,4-triazoline-3,5-dione
N-Phenylazodicarboxylic imide
N-Phenyltriazolinedione
N-Phenyl-1,3,4-triazoline-2,5-dione
N-Phenylazodicarboximide
4-Phenyldehydrourazole
N-Phenyl-1,2,4-triazoline-3,5-dione
4-Phenyltriazoline-3,5-dione
4-Phenyl-4H-1,2,4-triazoline-3,5-dione
N-Phenyltriazoline-3,5-dione
4-Phenyl-1,2,4-triazolinedione
PTAD
4-Phenyl-3,5-dioxotriazole
4-Phenyl-1,2,4-triazoline-3,5-dione
N-Phenyl-1,3,5-triazoline-2,4-dione
Azodicarboxylic acid N-phenylimide
4-Phenyl-4H-[1,2,4]triazole-3,5-dione
4-Phenyl-4,5-dihydro-3H-1,2,4-triazole-3,5-dione
NSC 150362
4-Phenyl-3H-1,2,4-triazoline-3,5-dione
4-Phenyl-1,2,4-triazole-3,5-dione

Identifiers:

SMILES:
O=C1N=NC(=O)N1c1ccccc1
InChI:
InChI=1S/C8H5N3O2/c12-7-9-10-8(13)11(7)6-4-2-1-3-5-6/h1-5H

Key Properties

Melting Point
168-175 °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 175.15 g/mol CAS Common Chemistry
175.14700000000002 g/mol RDKit
175.0381764 g/mol RDKit
Wikipedia Url https://en.wikipedia.org/wiki/4-Phenyl-1,2,4-triazole-3,5-dione CAS Common Chemistry
Canonical SMILES O=C1N=NC(=O)N1C=2C=CC=CC2 CAS Common Chemistry
InChI InChI=1S/C8H5N3O2/c12-7-9-10-8(13)11(7)6-4-2-1-3-5-6/h1-5H CAS Common Chemistry
InChI Key InChIKey=ISULLEUFOQSBGY-UHFFFAOYSA-N CAS Common Chemistry
Melting Point 168-175 °C CAS Common Chemistry
Name 4-Phenyl-1,2,4-triazoline-3,5-dione CAS Common Chemistry
4-Phenyl-1,2,4-triazole-3,5-dione CAS Common Chemistry
Heavy Atom Count 13 RDKit
Hydrogen Bond Acceptors 2 RDKit
Hydrogen Bond Donors 0 RDKit
Rotatable Bonds 1 RDKit
Aromatic Ring Count 1 RDKit
Topological Polar Surface Area 62.1 Ų RDKit
LogP 2.1988000000000003 RDKit
Molar Refractivity 44.56900000000002 RDKit

Recent Searches

Acetone
Ethanol
Navigate
esc Close