Primisulfuron-methyl

  • Beacon
  • 3-(4,6-Bis(difluoromethoxy)pyrimidin-2-yl)-1-(2-methoxycarbonylphenylsulfonyl)urea
  • CGA-136872
  • Primisulfuron
  • Benzoic acid, 2-(((((4,6-bis(difluoromethoxy)-2-pyrimidinyl)amino)carbonyl)amino)sulfonyl)-, methyl ester
  • 3-(4,6-(Tetrafluoromethoxy)pyrimidin-2-yl)-1-((2-methoxycarbonyl)phenylsulfonyl)urea
Formula
C15H12F4N4O7S
Structure
Uses
Sulfonylurea herbicide.

Registry Numbers and Inventories.
CAS
86209-51-0
RTECS
DG4436000
RTECS class
Agricultural Chemical and Pesticide; Drug
Merck
12,7928
Beilstein/Gmelin
6673850
Beilstein Reference
6-25
EPA OPP
128973
New Zealand
Listed

Properties.
Formula
C15H12F4N4O7S
Formula mass
468.34
Melting point, °C
203.1
Solubility in water
Insoluble
pKa/pKb
3.98 (pKa)
Partition coefficient, pKow
3.05

Hazards and Protection.
Storage
Store at 2-8 C.

Fire.

Health.
Exposure effects
Protein metabolism disturbances, moderate emphysema, and weight loss with chronic exposure.
   Ingestion
Systemic toxicity is unlikely unless large amounts have been ingested. Nausea, vomiting, diarrhea, headache, confusion and electrolyte depletion can result.
   Inhalation
Causes irritation, caughing and shortness of breath.
   Skin
Causes irritation.
   Eyes
Causes irritation.

First aid
 

Transport.