2,5-Dichlorothiophene

CAS Registry Number®

3172-52-9

CAS Name

2,5-Dichlorothiophene

Molecular Formula

C4H2Cl2S

Molecular Mass

153.03

Cite this Page

2,5-Dichlorothiophene.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=3172-52-9 (retrieved 2025-04-02) (CAS RN: 3172-52-9).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Boiling Point (1)

    70-71 °C @ Press: 30 Torr

  • Melting Point (2)

    -40.5 °C

  • Density (3)

    1.4473 g/cm³ @ Temp: 20 °C

Source(s)

Other Names and Identifiers

InChI

InChI=1S/C4H2Cl2S/c5-3-1-2-4(6)7-3/h1-2H

InChIKey

InChIKey=FGYBDASKYMSNCX-UHFFFAOYSA-N

SMILES

ClC=1SC(Cl)=CC1

Canonical SMILES

ClC=1SC(Cl)=CC1

Other Names for this Substance

  • Thiophene, 2,5-dichloro-
  • 2,5-Dichlorothiophene
  • 5-Chloro-2-thienyl chloride
  • NSC 60527

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