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Substance Name: Flazasulfuron [ISO]
RN: 104040-78-0
UNII: 3SB13WWV30
InChIKey: HWATZEJQIXKWQS-UHFFFAOYSA-N

Note

  • Vineyard herbicide in freshwater algae.

Classification Codes

  • Agricultural Chemical
  • Herbicide

Molecular Formula

  • C13-H12-F3-N5-O5-S

Molecular Weight

  • 407.328
 
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Names and Synonyms

Name of Substance

  • Flazasulfuron [ISO]

Synonyms

  • 1-(4,6-Dimethoxypyrimidin-2-yl)-3-(3-trifluoromethyl-2-pyridylsulfonyl)urea
  • Flazasulfuron
  • HSDB 7957
  • N-(((4,6-Dimethoxy-2-pyrimidinyl)amino)carbonyl)-3-(trifluoromethyl)-2-pyridinesulfonamide
  • OK-1166
  • Shibagen
  • Shibagen [Japanese]
  • SL-160
  • UNII-3SB13WWV30

Systematic Name

  • 2-Pyridinesulfonamide, N-(((4,6-dimethoxy-2-pyrimidinyl)amino)carbonyl)-3-(trifluoromethyl)-

Registry Numbers

CAS Registry Number

  • 104040-78-0

FDA UNII

  • 3SB13WWV30

System Generated Number

  • 0104040780

Structure Descriptors

InChI

1S/C13H12F3N5O5S/c1-25-8-6-9(26-2)19-11(18-8)20-12(22)21-27(23,24)10-7(13(14,15)16)4-3-5-17-10/h3-6H,1-2H3,(H2,18,19,20,21,22)

InChIKey

HWATZEJQIXKWQS-UHFFFAOYSA-N

Smiles

n1cccc(C(F)(F)F)c1S(=O)(=O)NC(=O)Nc1nc(OC)cc(OC)n1

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 oral > 5gm/kg (5000mg/kg)   Japan Pesticide Information. Vol. (57), Pg. 27, 1990.
quail LD50 unreported > 2gm/kg (2000mg/kg)   Japan Pesticide Information. Vol. (57), Pg. 27, 1990.
rat LD50 oral > 5gm/kg (5000mg/kg)   Japan Pesticide Information. Vol. (57), Pg. 27, 1990.
rat LD50 skin > 2gm/kg (2000mg/kg)   Japan Pesticide Information. Vol. (57), Pg. 27, 1990.

Physical Properties

Physical Property Value Units Temp (deg C) Source
Melting Point 168 deg C   EXP
pKa Dissociation Constant 4.37 (none)   EXP
Water Solubility 2100 mg/L 25 EXP
Atmospheric OH Rate Constant 2.02E-10 cm3/molecule-sec 25 EST

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