Chloroxuron is an organic compound with the chemical formula C15H15ClN2O2 used as an herbicide. It is classified as an extremely hazardous substance in the United States as defined in Section 302 of the U.S. Emergency Planning and Community Right-to-Know Act (42 U.S.C. 11002), and is subject to strict reporting requirements by facilities which produce, store, or use it in significant quantities.[1]

Chloroxuron
Names
Preferred IUPAC name
N′-[4-(4-Chlorophenoxy)phenyl]-N,N-dimethylurea
Other names
3-[4-(4-Chlorophenoxy)phenyl]-1,1-dimethylurea
Identifiers
3D model (JSmol)
ChEBI
ChemSpider
ECHA InfoCard 100.016.222 Edit this at Wikidata
EC Number
  • 217-843-7
KEGG
UNII
UN number 3077, 2767
  • InChI=1/C15H15ClN2O2/c1-18(2)15(19)17-12-5-9-14(10-6-12)20-13-7-3-11(16)4-8-13/h3-10H,1-2H3,(H,17,19)
    Key: IVUXTESCPZUGJC-UHFFFAOYAN
  • Clc2ccc(Oc1ccc(NC(=O)N(C)C)cc1)cc2
Properties
C15H15ClN2O2
Molar mass 290.75 g·mol−1
Appearance Solid
Density 1.27 g/cm3
Melting point 151 °C (304 °F; 424 K)
Hazards
GHS labelling:
GHS07: Exclamation markGHS09: Environmental hazard
Warning
H332, H400
P261, P271, P273, P304+P312, P304+P340, P312, P391, P501
Flash point 231.6 °C (448.9 °F; 504.8 K)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

References

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  1. ^ 40 C.F.R.: Appendix A to Part 355—The List of Extremely Hazardous Substances and Their Threshold Planning Quantities (PDF) (July 1, 2008 ed.), Government Printing Office, archived from the original (PDF) on February 25, 2012, retrieved October 29, 2011