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Pesticide
4-Phenylthiosemicarbazide
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4-Phenylthiosemicarbazide

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4-Phenylthiosemicarbazide
4-Phenylthiosemicarbazide.svg
Names
Preferred IUPAC name
N-Phenylhydrazinecarbothioamide
Other names
N-Phenyl-hydrazinecarbothioamide, USAF-EK-5426, USAF-EL-45
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.023.935
PubChem CID
UNII
  • InChI=1S/C7H9N3S/c8-10-7(11)9-6-4-2-1-3-5-6/h1-5H,8H2,(H2,9,10,11) checkY
    Key: KKIGUVBJOHCXSP-UHFFFAOYSA-N checkY
  • InChI=1/C7H9N3S/c8-10-7(11)9-6-4-2-1-3-5-6/h1-5H,8H2,(H2,9,10,11)
    Key: KKIGUVBJOHCXSP-UHFFFAOYAT
  • C1=CC=C(C=C1)NC(=S)NN
  • S=C(Nc1ccccc1)NN
Properties
C7H9N3S
Molar mass 167.23 g·mol−1
Appearance White to light yellow crystalline powder
Melting point 138 to 141 °C (280 to 286 °F; 411 to 414 K)
Boiling point 308 °C (586 °F; 581 K)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
☒N verify (what is checkY☒N ?)

4-Phenylthiosemicarbazide (4-PTSC) is a thiosemicarbazide used as an agricultural chemical and pesticide. It also possesses antibacterial properties attributed to electron delocalization in the thiosemicarbazide moiety.

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