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Substance Name: Mefenacet [BSI:ISO]
RN: 73250-68-7
UNII: QI0QTA02DG
InChIKey: XIGAUIHYSDTJHW-UHFFFAOYSA-N

Classification Codes

  • Agricultural Chemical
  • Herbicide
  • Reproductive Effect

Molecular Formula

  • C16-H14-N2-O2-S

Molecular Weight

  • 298.365
 
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Names and Synonyms

Name of Substance

  • Mefenacet
  • Mefenacet [BSI:ISO]

Synonyms

  • 2-(1,3-Benzothiazol-2-yloxy)-N-methylacetanilide
  • 2-(2-Benzothiazolyloxy)-N-methyl-N-phenylacetamide
  • 2-Benzothiazol-2-yloxy-N-methylacetanilide
  • BRN 1143987
  • EINECS 277-328-8
  • FOE 1976
  • Mefenacet
  • NTN 801
  • UNII-QI0QTA02DG

Systematic Names

  • 2-(Benzothiazol-2-yloxy)-N-methyl-N-phenylacetamide
  • Acetamide, 2-(2-benzothiazolyloxy)-N-methyl-N-phenyl-

Registry Numbers

CAS Registry Number

  • 73250-68-7

FDA UNII

  • QI0QTA02DG

System Generated Number

  • 0073250687

Structure Descriptors

InChI

1S/C16H14N2O2S/c1-18(12-7-3-2-4-8-12)15(19)11-20-16-17-13-9-5-6-10-14(13)21-16/h2-10H,11H2,1H3

InChIKey

XIGAUIHYSDTJHW-UHFFFAOYSA-N

Smiles

s1c2ccccc2nc1OCC(=O)N(C)c1ccccc1

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 intraperitoneal > 1gm/kg (1000mg/kg)   Nippon Noyaku Gakkaishi. Journal of the Pesticide Science Society of Japan. Vol. 13, Pg. 633, 1988.
mouse LD50 oral > 5gm/kg (5000mg/kg)   Pesticide Manual. Vol. 9, Pg. 544, 1991.
mouse LD50 subcutaneous > 1gm/kg (1000mg/kg)   Nippon Noyaku Gakkaishi. Journal of the Pesticide Science Society of Japan. Vol. 13, Pg. 633, 1988.
rat LC50 inhalation > 94500ug/m3 (94.5mg/m3)   Nippon Noyaku Gakkaishi. Journal of the Pesticide Science Society of Japan. Vol. 13, Pg. 633, 1988.
rat LD50 intraperitoneal > 1gm/kg (1000mg/kg)   Nippon Noyaku Gakkaishi. Journal of the Pesticide Science Society of Japan. Vol. 13, Pg. 633, 1988.
rat LD50 oral > 5gm/kg (5000mg/kg)   Pesticide Manual. Vol. 9, Pg. 544, 1991.
rat LD50 skin > 5gm/kg (5000mg/kg)   Pesticide Manual. Vol. 9, Pg. 544, 1991.
rat LD50 subcutaneous > 1gm/kg (1000mg/kg)   Nippon Noyaku Gakkaishi. Journal of the Pesticide Science Society of Japan. Vol. 13, Pg. 633, 1988.

Physical Properties

Physical Property Value Units Temp (deg C) Source
Melting Point 134.8 deg C   EXP
log P (octanol-water) 3.23 (none)   EXP
Water Solubility 4 mg/L 20 EXP
Vapor Pressure 4.80E-09 mm Hg 25 EXP
Henry's Law Constant 4.71E-10 atm-m3/mole 25 EST
Atmospheric OH Rate Constant 9.44E-11 cm3/molecule-sec 25 EST

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