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flazasulfuron

Identification (Source:EPA,EU)

ID	1192
Name	flazasulfuron
CAS	104040-78-0
IUPAC	1-(4,6-dimethoxypyrimidin-2-yl)-3-(3-trifluoromethyl-2-pyridylsulfonyl)urea
Inchi	InChI=1S/C13H12F3N5O5S/c1-25-8-6-9(26-2)19-11(18-8)20-12(22)21-27(23,24)10-7(13(14,15)16)4-3-5-17-10/h3-6H,1-2H3,(H2,18,19,20,21,22)
CIPAC	595
EPA Code	119011
Formula	C13H12F3N5O5S
SMILES	O=C(Nc1nc(OC)cc(OC)n1)NS(=O)(=O)c2ncccc2C(F)(F)F
Status	Approved

Classification

Mode of Action	Systemic, absorbed through leaves. Inhibition of acetolactate synthase ALS.
Pesticide Type	Herbicide
Chemical Group	Sulfonylurea
Classification	sulfonylurea herbicides pyrimidinylsulfonylurea herbicides

Properties (Source:PubChem)

Molecular Weight	407.37
Physical State	White crystalline powder
AlogP	2.216
H-Bond Donor	2
H-Bond Acceptor	8
Surface Area	353.73
Polar Surface Area	140.78

Structure

Ecotoxicology (Source:PPDB,IPM)

Species	Method	Study Time	Dose Type	Value
Algae	Acute	72 hour	EC50, growth	0.014 mg l-1
Algae	Chronic	96 hour	NOEC, growth	0.005 mg l-1
Aquatic invertebrates	Chronic	21 day	NOEC	6.25 mg l-1
Aquatic invertebrates	Acute	48 hour	EC50	> 25 mg l-1
Aquatic plants	Acute	7 day	EC50, biomass	0.00004 mg l-1
Birds	Short term dietary		LC50/LD50	> 5620 mg/kg feed
Birds	Acute		LD50	> 2000 mg kg-1
Earthworms	Acute	14 day	LD50	> 15.75 mg kg-1
Fish	Chronic	21 day	NOEC	5 mg l-1
Fish	Acute	96 hour	LC50	22 mg l-1
Honeybees	Acute	48 hour	LD50	> 100 μg bee-1
Mammals	Acute oral		LD50	> 5000 mg kg-1
Mammals	Short term dietary		NOEL	11.7 mg kg-1
Mammals	Short term dietary		NOEL	200 ppm diet
Sediment dwelling organisms	Chronic	28 day	NOEC, sediment	0.1 mg kg-1
	Bio-concentration factor		CT50	Not available days

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