Triazine-ring herbicides

[Atrazine] CAS[1912-24-9]
= 2-Chloro-4-ethylamino-6-isopropylamino-1,3,5-triazine
= 2-Chloro-4-ethylamino-6-isopropylamino-1,3,5-triazixine
= 2-Chloro-4-(ethylamino)-6-(iso-propylamino)-s-triazine (ref. ID; 4554)
Trade name; Atrazine (J, I, A, B): Aatrex, Gesaprim, Primatol-A, Vectol
Chemical formula; C8H14ClN5
Purpose for use; Triazine-ring herbicide.
Atrazine is one of the most used pesticides in the world, but banned from agriculture in Germany since 1992. Atrazine moreover is suspected to cause endocrine disruption. (ref. ID; 6707)
Toxicity; LD50 (oral): rat 3080 mg/kg, mouse 1750 mg/kg.
Test organisms;
Green algae (formerly including protozoa): Chlamydomonas reinhaditii (ref. ID; 1319, 4553, 4565)
Protozoa: Acanthamoeba castellanii (ref. ID; 946)
Protozoa: Euglena gracilis (ref. ID; 4554, 4560, 4562)
Protozoa: Tetrahymena pyriformis (ref. ID; 1319, 3554)
Oligochaeta: Enchytraeus albidus (ref. ID; 6754)
Oligochaeta: Lumbriculus variegatus (ref. ID; 6707)
Oligochaeta: Midden formed by Lumbricus terrestris (ref. ID; 6894)
Aquatic microcosm (ref. ID; 3588, 6752, 6828)

[Primextra: Atrazine-metolachlor liquid formulation]
Trade name; Primextra
Test organisms;
Oligochaeta: Lumbricus terrestris (ref. ID; 4498)


[Prometryn] CAS[7287-19-6]
= 2,4-Bis(isopropylamino)-6-methylthio-1,3,5-triazixine
Trade name; prometryn (J, I, A, B): Caparol, Gesagard, Primatol-Q, prometryne
Chemical formula; C10H19N5S
Purpose for use; Herbicide. A selective systemic methylthiotriazine herbicide. (ref. ID; 6701)
Toxicity; LD50 (oral): rat 3150-3750 mg/kg.
Test organisms;
Aquatic microcosm (ref. ID; 6701)

[Simazine] CAS[122-34-9]
= 2-Chloro-4,6-bis(ethylamino)-1,3,5-triazixine
Trade name; simazine (J, I, A, B): CAT, Gesatop, Primatol-S, Princep
Chemical formula; C7H12ClN5 (R = C2H5)
Purpose for use; Herbicide.
Toxicity; LD50 (oral) rat > 5000 mg/kg.
Test organisms;
Protozoa: Acanthamoeba castellanii (ref. ID; 946)


[Simetryn] CAS[1014-70-6]
= 2,4-Bis(ethylamino)-6-methylthio-1,3,5-triazixine
Trade name; simetryn (J, I, B): Gy-bon, simetryne
Chemical formula; C8H15N2S
Purpose for use; Herbicide.
Toxicity; LD50 (oral): rat 750 mg/kg, mouse 535 mg/kg.