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Substance Name: Diquat dichloride
RN: 4032-26-2
InChIKey: SKYNPRKUXHXZFJ-UHFFFAOYSA-L

Note

  • A contact herbicide used also to produce desiccation and defoliation. (From Merck Index, 11th ed)

Molecular Formula

  • C12-H12-N2.2Cl

Molecular Weight

  • 255.147
 
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Names and Synonyms

Results Name

  • Diquat dichloride

Synonyms

  • 1,1'-Ethylene-2,2'-dipyridinium dichloride
  • Diquat dichloride
  • Diquat dichloride monohydrate
  • Diquat hydrochloride
  • EINECS 223-714-6

Systematic Names

  • Dipyrido(1,2-a;2',1'-c)pyrazinediium, 6,7-dihydro-, dichloride
  • Diquat dichloride

Registry Numbers

CAS Registry Number

  • 4032-26-2

System Generated Number

  • 0004032262

Molecular Formulas

Molecular Formula

  • C12-H12-N2.2Cl

Molecular Formula Fragments

  • C12-H12-N2
  • Cl
  • COMPONENT

Structure Descriptors

InChI

1S/C12H12N2.2ClH/c1-3-7-13-9-10-14-8-4-2-6-12(14)11(13)5-1;;/h1-8H,9-10H2;2*1H/q+2;;/p-2

InChIKey

SKYNPRKUXHXZFJ-UHFFFAOYSA-L

Smiles

c12c3[n+](CC[n+]1cccc2)cccc3.[ClH-].[ClH-]

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
monkey LDLo oral 100mg/kg (100mg/kg) GASTROINTESTINAL: "HYPERMOTILITY, DIARRHEA"

BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)

GASTROINTESTINAL: NAUSEA OR VOMITING
Toxicology and Applied Pharmacology. Vol. 51, Pg. 277, 1979.
mouse LD50 intravenous 180mg/kg (180mg/kg)   U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. Vol. NX#00223,
rat LC inhalation > 23mg/m3/30M (23mg/m3)   British Journal of Industrial Medicine. Vol. 25, Pg. 304, 1968.
rat LD50 subcutaneous 10mg/kg (10mg/kg) BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)

SENSE ORGANS AND SPECIAL SENSES: MYDRIASIS (PUPILLARY DILATION): EYE

LUNGS, THORAX, OR RESPIRATION: DYSPNEA
British Journal of Industrial Medicine. Vol. 27, Pg. 51, 1970.

Physical Properties

Physical Property Value Units Temp (deg C) Source
log P (octanol-water) -2.820 (none)   EST
Water Solubility 4.43E+05 mg/L 25 EST
Vapor Pressure 1.11E-05 mm Hg 25 EST
Henry's Law Constant 1.42E-13 atm-m3/mole 25 EST
Atmospheric OH Rate Constant 2.32E-11 cm3/molecule-sec 25 EST

Physical property data is provided to ChemIDplus by SRC, Inc.