Captan

Captan is a general use pesticide (GUP) that belongs to the phthalimide class of fungicides. It is a white solid, although commercial samples appear yellow or brownish.

This article is about the fungicide. It is not to be confused with ethyl mercaptan, which is used as an odorant for liquefied petroleum gas or kapton, a type of plastic film.
Captan
Names
IUPAC name
(3aR,7aS)-2-[(Trichloromethyl)sulfanyl]-3a,4,7,7a-tetrahydro-1H-isoindole-1,3(2H)-dione
Identifiers
3D model (JSmol)
ChEBI
ChEMBL
ChemSpider
ECHA InfoCard 100.004.626
KEGG
PubChem CID
UNII
  • InChI=1S/C9H8Cl3NO2S/c10-9(11,12)16-13-7(14)5-3-1-2-4-6(5)8(13)15/h1-2,5-6H,3-4H2 Y
    Key: LDVVMCZRFWMZSG-UHFFFAOYSA-N Y
  • InChI=1/C17H19ClN2O3/c18-13-7-3-4-8-14(13)19-15(21)9-10-20-16(22)11-5-1-2-6-12(11)17(20)23/h3-4,7-8,11-12H,1-2,5-6,9-10H2,(H,19,21)/t11-,12-/m1/s1
    Key: PIBUBEBGJVBNLY-VXGBXAGGBJ
  • InChI=1/C9H8Cl3NO2S/c10-9(11,12)16-13-7(14)5-3-1-2-4-6(5)8(13)15/h1-2,5-6H,3-4H2
    Key: LDVVMCZRFWMZSG-UHFFFAOYAB
SMILES
  • C1C=CC[C@H]2[C@@H]1C(=O)N(C2=O)SC(Cl)(Cl)Cl
  • ClC(Cl)(Cl)SN1C(=O)C2C/C=C\CC2C1=O
Properties
C9H8Cl3NO2S
Molar mass 300.58 g·mol−1
Appearance white solid; yellow powder (commercial)
Density 1.74 g/cm3
Melting point 178 °C (352 °F; 451 K) (decomposes)
Boiling point N/A
Hazards
Occupational safety and health (OHS/OSH):
Main hazards
 combustible, potential occupational carcinogen
NIOSH (US health exposure limits):
PEL (Permissible)
 none
REL (Recommended)
 Ca TWA 5 mg/m3
IDLH (Immediate danger)
 N.D.
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
N verify (what is YN ?)
Infobox references
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