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Dichlone

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Dichlone
Names
Preferred IUPAC name 2,3-Dichloronaphthalene-1,4-dione
Identifiers
CAS Number
3D model (JSmol)
ChEMBL
ChemSpider
ECHA InfoCard 100.003.828 Edit this at Wikidata
EC Number
  • 204-210-5
PubChem CID
UNII
UN number 2902 2761
CompTox Dashboard (EPA)
InChI
  • InChI=1S/C10H4Cl2O2/c11-7-8(12)10(14)6-4-2-1-3-5(6)9(7)13/h1-4HKey: SVPKNMBRVBMTLB-UHFFFAOYSA-N
SMILES
  • C1=CC=C2C(=C1)C(=O)C(=C(C2=O)Cl)Cl
Properties
Chemical formula C10H4Cl2O2
Molar mass 227.04 g·mol
Appearance Yellow crystals
Melting point 193 °C (379 °F; 466 K)
Solubility in water 0.1 ppm
Hazards
GHS labelling:
Pictograms GHS07: Exclamation markGHS09: Environmental hazard
Signal word Warning
Hazard statements H302, H315, H317, H319, H410
Precautionary statements P261, P264, P264+P265, P270, P272, P273, P280, P301+P317, P302+P352, P305+P351+P338, P321, P330, P332+P317, P333+P317, P337+P317, P362+P364, P391, P501
Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). Infobox references
Chemical compound

Dichlone (trade names Phygon and Quintar) is a fungicide and algicide of the quinone class. It is a general use fungicide applied to fruits, vegetables, field crops, ornamentals, and residential and commercial outdoor areas. It is also used to control blue algae.

Dichlone is not persistent in soil and has moderate mammalian toxicity.

Dichlone can be manufactured by the chlorination and oxidation of naphthalene.

Synthesis of dichlone from naphthalene

References

  1. ^ "Dichlone (Phygon, Quintar) Chemical Profile". Pesticide Management Education Program, Cornell Cooperative Extension.
  2. ^ "Dichlone". Pesticide Properties DataBase, University of Hertfordshire.
  3. Thomas A. Unger (1996). Pesticide Synthesis Handbook. William Andrew. p. 966. ISBN 0-8155-1853-6.
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