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Substance Name: Pyrifenox [ISO]
RN: 88283-41-4
UNII: 9QNU6BZ7LO
InChIKey: CKPCAYZTYMHQEX-JXAWBTAJSA-N

Note

  • A fungicide.

Classification Codes

  • Agricultural Chemical
  • Fungicide, Bactericide, Wood Preservative

Molecular Formula

  • C14-H12-Cl2-N2-O

Molecular Weight

  • 295.168
 
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Names and Synonyms

Results Name

  • Pyrifenox [ISO]

Name of Substance

  • Pyrifenox
  • Pyrifenox [ISO]

Synonyms

  • 1-(2,4-Dichlorophenyl)-2-(3-pyridinyl)ethanone O-methyloxime
  • 2',4'-Dichloro-2-(3-pyridyl)acetophenone O-methyloxime
  • Dorado
  • Pyrifenox
  • Ro 15-1297
  • UNII-9QNU6BZ7LO

Systematic Name

  • Ethanone, 1-(2,4-dichlorophenyl)-2-(3-pyridinyl)-, O-methyloxime

Registry Numbers

CAS Registry Number

  • 88283-41-4

FDA UNII

  • 9QNU6BZ7LO

System Generated Number

  • 0088283414

Structure Descriptors

InChI

1S/C14H12Cl2N2O/c1-19-18-14(7-10-3-2-6-17-9-10)12-5-4-11(15)8-13(12)16/h2-6,8-9H,7H2,1H3/b18-14-

InChIKey

CKPCAYZTYMHQEX-JXAWBTAJSA-N

Smiles

C(\c1c(cc(Cl)cc1)Cl)(Cc1cccnc1)=N/OC

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 oral 2705mg/kg (2705mg/kg)   Nippon Noyaku Gakkaishi. Journal of the Pesticide Science Society of Japan. Vol. 16, Pg. 355, 1991.
rat LC50 inhalation > 2048mg/m3 (2048mg/m3)   Nippon Noyaku Gakkaishi. Journal of the Pesticide Science Society of Japan. Vol. 16, Pg. 355, 1991.
rat LD50 oral 1705mg/kg (1705mg/kg)   Nippon Noyaku Gakkaishi. Journal of the Pesticide Science Society of Japan. Vol. 16, Pg. 355, 1991.
rat LD50 skin > 5gm/kg (5000mg/kg)   Farm Chemicals Handbook. Vol. -, Pg. C258, 1991.

Physical Properties

Physical Property Value Units Temp (deg C) Source
Melting Point < 25 deg C   EXP
Boiling Point 212.1 deg C   EXP
pKa Dissociation Constant 4.61 (none)   EXP
log P (octanol-water) 3.7 (none)   EXP
Water Solubility 150 mg/L 25 EXP
Vapor Pressure 1.28E-05 mm Hg 25 EXP
Henry's Law Constant 8.81E-09 atm-m3/mole 25 EST
Atmospheric OH Rate Constant 3.25E-12 cm3/molecule-sec 25 EST

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