2,1,3-Benzothiadiazole

2,1,3-Benzothiadiazole
Names
Preferred IUPAC name
2,1,3-Benzothiadiazole
Other names
  • Piazthiole
  • Benzisothiadiazole
  • Benzo[1,2,5]thiadiazole
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.005.442 Edit this at Wikidata
EC Number
  • 205-985-2
UNII
  • InChI=1S/C6H4N2S/c1-2-4-6-5(3-1)7-9-8-6/h1-4H
    Key: PDQRQJVPEFGVRK-UHFFFAOYSA-N
  • C1=CC2=NSN=C2C=C1
Properties
C6H4N2S
Molar mass 136.17 g·mol−1
Melting point 54.0 °C (129.2 °F; 327.1 K)
Boiling point 203.0 °C (397.4 °F; 476.1 K)
Related compounds
Related compounds
 1,2,3-Benzothiadiazole
Hazards
GHS labelling:
GHS07: Exclamation mark
Warning
H315, H319, H335
P261, P264, P271, P280, P302+P352, P304+P340, P305+P351+P338, P312, P321, P332+P313, P337+P313, P362, P403+P233, P405, P501
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

2,1,3-Benzothiadiazole is a bicyclic molecule composed of a benzene ring that is fused to a 1,2,5-thiadiazole.