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Substance Name: Metazachlor [BSI:ISO]
RN: 67129-08-2
UNII: TPY2K437O4
InChIKey: STEPQTYSZVCJPV-UHFFFAOYSA-N

Note

  • Alpha-chloroacetamide herbicide.

Classification Codes

  • Agricultural Chemical
  • Herbicide

Molecular Formula

  • C14-H16-Cl-N3-O

Molecular Weight

  • 277.753
 
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Names and Synonyms

Name of Substance

  • Metazachlor
  • Metazachlor [BSI:ISO]

Synonyms

  • 2-Chloro-N-(2,6-dimethylphenyl)-N-(1H-pyrazol-1-ylmethyl)-acetamide
  • 2-Chloro-N-(pyrazol-1-ylmethyl)acet-2',6'-xylidide
  • 5-23-04-00126 (Beilstein Handbook Reference)
  • BAS 479H
  • BRN 0621550
  • Butisan S
  • EINECS 266-583-0
  • Metazachlor
  • Metazachlore
  • Metazachlore [ISO-French]
  • Sultan
  • UNII-TPY2K437O4

Systematic Names

  • 2-Chloro-N-(2,6-dimethylphenyl)-N-(1H-pyrazol-1-ylmethyl)acetamide
  • Acetamide, 2-chloro-N-(2,6-dimethylphenyl)-N-(1H-pyrazol-1-ylmethyl)-

Registry Numbers

CAS Registry Number

  • 67129-08-2

FDA UNII

  • TPY2K437O4

Other Registry Numbers

  • 74433-79-7
  • 77847-86-0

System Generated Number

  • 0067129082

Structure Descriptors

InChI

1S/C14H16ClN3O/c1-11-5-3-6-12(2)14(11)18(13(19)9-15)10-17-8-4-7-16-17/h3-8H,9-10H2,1-2H3

InChIKey

STEPQTYSZVCJPV-UHFFFAOYSA-N

Smiles

N(c1c(cccc1C)C)(Cn1cccn1)C(CCl)=O

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
rat LD50 oral 1gm/kg (1000mg/kg)   Farm Chemicals Handbook. Vol. -, Pg. C54, 1991.
rat LD50 skin > 6810mg/kg (6810mg/kg)   Pesticide Manual. Vol. 9, Pg. 560, 1991.

Physical Properties

Physical Property Value Units Temp (deg C) Source
Melting Point 85 deg C   EXP
log P (octanol-water) 2.13 (none)   EXP
Water Solubility 430 mg/L 20 EXP
Henry's Law Constant 5.67E-10 atm-m3/mole 20 EXP
Atmospheric OH Rate Constant 5.90E-11 cm3/molecule-sec 25 EST

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