1H-1,2,4-Triazole

CAS Registry Number®

288-88-0

CAS Name

1H-1,2,4-Triazole

Molecular Formula

C2H3N3

Molecular Mass

69.07

Cite this Page

1H-1,2,4-Triazole.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=288-88-0 (retrieved 2025-03-28) (CAS RN: 288-88-0).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Boiling Point (1)

    125 °C @ Press: 4 Torr

  • Melting Point (2)

    120 °C

  • Density (2)

    1.1 g/cm³

Source(s)

Other Names and Identifiers

InChI

InChI=1S/C2H3N3/c1-3-2-5-4-1/h1-2H,(H,3,4,5)

InChIKey

InChIKey=NSPMIYGKQJPBQR-UHFFFAOYSA-N

SMILES

C=1NC=NN1

Canonical SMILES

N=1N=CNC1

Other Names for this Substance

  • 1H-1,2,4-Triazole
  • s-Triazole
  • 4H-1,2,4-Triazole
  • NSC 83128
  • 3,4-Diazapyrrole

Deleted or Replaced CAS Registry Numbers

116421-29-5, 288-89-1, 25167-73-1, 27236-77-7, 1001118-18-8

CAS INSIGHTSTM
A hexagon honeycomb pattern featuring icons representing Data Fabric Analytics, Antennas, Construction, DNA, and Sustainability Bamboo. Each hexagon contains a distinct symbol related to its theme, arranged in a visually appealing and interconnected design.