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Allidochlor

Allidochlor
Names
IUPAC name
N,N-Diallyl-2-chloroacetamide
Preferred IUPAC name
2-Chloro-N,N-di(prop-2-en-1-yl)acetamide
Other names
2-Chloro-N,N-di-2-propenylacetamide
Identifiers
3D model (JSmol)
ChEBI
ChEMBL
ChemSpider
ECHA InfoCard 100.002.065 Edit this at Wikidata
EC Number
  • 202-270-7
KEGG
UNII
UN number 2996 (RANDOX)
  • InChI=1S/C8H12ClNO/c1-3-5-10(6-4-2)8(11)7-9/h3-4H,1-2,5-7H2
    Key: MDBGGTQNNUOQRC-UHFFFAOYSA-N
  • C=CCN(CC=C)C(=O)CCl
Properties
C8H12ClNO
Molar mass 173.64 g·mol−1
Appearance Oily amber coloured liquid[1]
Density 1088 kg/m3[1][2]
Melting point 25 °C (77 °F; 298 K)[1]
Boiling point 74 °C (165 °F; 347 K)[1]
197 g/L[1]
Vapor pressure 1250 mPa[1]
Hazards
GHS labelling:[3][2]
GHS07: Exclamation markGHS09: Environmental hazard
Warning
H302, H311, H315, H319, H411
P264, P270, P273, P280, P301+P312+P330, P302+P352+P312, P337+P313, P361+P364, P391, P501
Flash point 186 °C (367 °F; 459 K)[1]
Lethal dose or concentration (LD, LC):
700 mg/kg (rat, oral) 360 mg/kg (rat, dermal)[2]
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Allidochlor is a herbicide introduced in 1958. It is an obsolete amide herbicide,[4][1] used preëmergently and postemergently.[5]

Allidochlor's HRAC Group is Group 15, Group K3, Group K. (Numeric, Global, Australian)[1]

Application

Allidochlor has been used in Canada, where it was applied at high rates (7 kg/Ha) with much spraywater (500 L/Ha). At the time, 1984, allidochlor was registered for use on onions only in Canada, with leek usage not granted for lack of residue data.[5]

Environmental behaviour

Allidochlor is highly volatile and likely to bioconcentrate.[6] Residue in leeks, treated with up to 3 applications of 7 kg/Ha of allidochlor, was under 100 ppb.[5]

Formulations

Formulations of allidochlor have been marketed as Randox, Randox T, Actox Granular, Vega-Rand and Cdaa 20 G, usually supplied as emulsifiable concentrate.[1]

References

  1. ^ a b c d e f g h i j Lewis, Kathleen A.; Tzilivakis, John; Warner, Douglas J.; Green, Andrew (18 May 2016). "An international database for pesticide risk assessments and management". Human and Ecological Risk Assessment: An International Journal. 22 (4): 1050–1064. Bibcode:2016HERA...22.1050L. doi:10.1080/10807039.2015.1133242. hdl:2299/17565. Retrieved 15 August 2025.
  2. ^ a b c "Pestanal Safety Data Sheet Version 8.4". 17 May 2024. Retrieved 15 August 2025.
  3. ^ "Substance Information - ECHA". echa.europa.eu. Retrieved 15 August 2025.
  4. ^ "Kegg Compound: C19043". www.genome.jp. Retrieved 15 August 2025.
  5. ^ a b c Cessna, Allan (January 1984). "Determination of allidochlor residues in pre- and/or postemergence-treated leeks". Journal of Agricultural and Food Chemistry. 32 (1): 171–173. Bibcode:1984JAFC...32..171C. doi:10.1021/jf00121a040.
  6. ^ Hertfordshire, University of. "Allidochlor (Ref: CP 6343)". sitem.herts.ac.uk.
  • Allidochlor in the Pesticide Properties DataBase (PPDB)

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