Flumetsulam

Flumetsulam
	Skeletal formula of flumetsulam
Names
	Preferred IUPAC name N-(2,6-difluorophenyl)-5-methyl-[1,2,4]triazolo[1,5-a]pyrimidine-2-sulfonamide
Identifiers
CAS Number	98967-40-9;
3D model (JSmol)	Interactive image;
ChEBI	CHEBI:82011;
ChEMBL	ChEMBL1389671;
ChemSpider	82857;
ECHA InfoCard	100.131.589
KEGG	C18852;
PubChem CID	91759;
UNII	X89F0S6LW8 ;
CompTox Dashboard (EPA)	DTXSID4032615 ;
	InChI InChI=1S/C12H9F2N5O2S/c1-7-5-6-19-11(15-7)16-12(17-19)22(20,21)18-10-8(13)3-2-4-9(10)14/h2-6,18H,1H3 Key: RXCPQSJAVKGONC-UHFFFAOYSA-N;
	SMILES CC1=NC2=NC(=NN2C=C1)S(=O)(=O)NC3=C(C=CC=C3F)F;
Properties
Chemical formula	C12H9F2N5O2S
Molar mass	325.29 g·mol−1
Appearance	White powder
Odor	Odorless
Melting point	250 °C (482 °F; 523 K)
Solubility in water	0.049 g/L
Solubility in ammonia	1600 g/L
Solubility in methanol	400 g/L
Vapor pressure	3.7X10-13 Pascal
Acidity (pKa)	4.6
Hazards
	Occupational safety and health (OHS/OSH):
Main hazards	Environment
	GHS labelling:
Pictograms
Signal word	Warning
Hazard statements	H332, H410
Precautionary statements	P261, P271, P273, P304+P340, P317, P391, P501
Flash point	93 °C (199 °F; 366 K)
	Lethal dose or concentration (LD, LC):
LD50 (median dose)	2 mg/kg (rabbit, skin), 5 mg/kg (rat, oral)
LC50 (median concentration)	5620 ppm (duck/quail, inhalation)
Pharmacology
	Pharmacokinetics:
Biological half-life	5-7 hours
Excretion	50-75% in urine
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Flumetsulam is an herbicide of the sulfonamide class.^[1]

Uses

Flumetsulam is a herbicide used to control broadleaf weeds in soybean, corn, and other crops. Flumetsulam is used at any point in plant development, the time depending on the formulation, at a maximum use of 80 grams per hectare.^[1]

Toxicity

Long term studies on animals have shown that flumetsulam causes extreme renal system damage and can be toxic when eaten or inhaled. It has shown to have no effect on animals that are currently pregnant or their fetus. It harms aquatic life and has long lasting effects.^[1]

References

1 2 3 4 5 "Flumetsulam". PubChem. National Center for Biotechnology Information. Retrieved May 11, 2026.
↑ "7066_TITAN_FLUMETSULAM_800_WG_HERBICIDE_(AU)" (PDF). December 17, 2021. Retrieved May 11, 2026.

[PubChem-1] 1 2 3 4 5 "Flumetsulam". PubChem. National Center for Biotechnology Information. Retrieved May 11, 2026.

[Datasheet-2] "7066_TITAN_FLUMETSULAM_800_WG_HERBICIDE_(AU)" (PDF). December 17, 2021. Retrieved May 11, 2026.

[1]

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