ChemicalBook--->CAS DataBase List--->79277-27-3

79277-27-3

79277-27-3 Structure

79277-27-3 Structure
IdentificationMore
[Name]

Thifensulfuron methyl
[CAS]

79277-27-3
[Synonyms]

HARMONY
METHYL 3-[[[[(4-METHOXY-6-METHYL-1,3,5-TRIAZIN-2-YL)AMINO]CARBONYL]AMINO]-SULFONYL]-2-THIOPHENECARBOXYLATE
METHYL 3-(4-METHOXY-6-METHYL-1,3,5-TRIAZIN-2-YL-CARBAMOYLSULFAMOYL)-THIOPHEN-2-CARBOXYLATE
PINNACLE
PINNACLE (TM)
THIFENSULFURON-METHYL
2-thiophenecarboxylicacid,3-(((((4-methoxy-6-methyl-1,3,5-triazin-2-yl)amino)
dpx-m6316
methyl3-(4-methoxy-6-methyl-1,3,5-triazin-2-ylcarbamoylsulfamoyl)-2-thenoate
thiameturon-methyl
Methyl 3-[[[[(4-Methoxy-6-methyl-1,3,5-triazin-2-yl)amino]carbonyl]amino]sulfonyl]-2-thiophenecarboxylate
DPX-M6316(Du Pont)
Harmony(Du Pont)
thiameturon
THIFENSULFURON-METHYL PESTANAL 100 MG
HARMONY, 100MG, NEAT
2-Thiophenecarboxylic acid, 3-(4-methoxy-6-methyl-1,3,5-triazin-2-yl)aminocarbonylaminosulfonyl-, methyl ester
thifensulfuron-methyl (bsi,iso)
THIFENSULPHURON-METHYL
Methyl 3-(4-methoxy-6-methyl-1,3,5-triazin-2-ylcarbamoylsulfamoyl)thiophene-2-carboxylate
[EINECS(EC#)]

616-673-4
[Molecular Formula]

C12H13N5O6S2
[MDL Number]

MFCD00468118
[Molecular Weight]

387.39
[MOL File]

79277-27-3.mol
Chemical PropertiesBack Directory
[Melting point ]

176°C
[density ]

1.560±0.06 g/cm3(Predicted)
[storage temp. ]

0-6°C
[solubility ]

DMSO (Slightly, Heated), Methanol (Slightly, Heated)
[Water Solubility ]

Practically insoluble in water
[form ]

neat
[pka]

pKa at 25°: 4.0
[color ]

White to Almost white
[λmax]

280nm(Acidic aq.)(lit.)
[Merck ]

13,9387
[BRN ]

7448062
[LogP]

1.560
[CAS DataBase Reference]

79277-27-3(CAS DataBase Reference)
[EPA Substance Registry System]

79277-27-3(EPA Substance)
Safety DataBack Directory
[Hazard Codes ]

N
[Risk Statements ]

R50/53:Very Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment .
[Safety Statements ]

S60:This material and/or its container must be disposed of as hazardous waste .
S61:Avoid release to the environment. Refer to special instructions safety data sheet .
[RIDADR ]

UN3077 9/PG 3
[WGK Germany ]

2
[RTECS ]

XM8463000
[HazardClass ]

9
[PackingGroup ]

III
[HS Code ]

29350090
[Hazardous Substances Data]

79277-27-3(Hazardous Substances Data)
[Toxicity]

LC50 (96-hour) for both bluegill sun?sh and rainbow trout >100 mg/L; LC50 (48-hour) for Daphnia magna >1,000 mg/L (Humburg et al., 1989); acute oral LD50 for rats >5,000 mg/kg (Hartley and Kidd, 1987).
Raw materials And Preparation ProductsBack Directory
[Raw materials]

Methanol-->Copper(I) chloride-->Acrylonitrile-->Sulfur dioxide-->Dichloroethane-->Sulfurous Acid-->Methyl thioglycolate-->Mercaptoacetic acid-->Thifensulfuron-->2,3-Dichloropropionitrile-->2-Amino-4-methoxy-6-methyl-1,3,5-triazine
[Preparation Products]

3-Thiophenesulfonamide(7CI,9CI)-->Methyl 3-aminosulfonylthiophene-2-carboxylate
Hazard InformationBack Directory
[Uses]

Herbicide.
[Uses]

Postemergence herbicide used to control wild garlic and many broad-leaved weeds in barley and spring wheat.
[Definition]

ChEBI: A methyl ester resulting from the formal condensation of the carboxy group of thifensulfuron with methanol. It is used as a post-emergence herbicide for the control of grass and broad-leaved weeds.
[Agricultural Uses]

Herbicide: A herbicide for postemergence broadleaf weed control in crops for food such as soybeans and cotton. Not listed for use in EU countries.
[Trade name]

ALLY®; BASIS® (rimsulfuron + thifensulfuron methyl); CANVAS® (thifensulfuron methyl + tribenuron methyl + metsulfuron-methyl); DPX-M6316®; EXPRESS®; HARMONY® Extra (thifensulfuron methyl + tribenuron methyl); INM-6316®; PINNACLE®; PROSPECT®; RELIANCE® SYNCHRONY®, (chlorimuron- ethyl + thifensulfuron methyl)
[Environmental Fate]

Chemical/Physical. May hydrolyze in aqueous solutions forming methyl alcohol and 3-(((((4-methoxy-6-methyl-1,3,5-triazin-2-yl)amino)carbonyl)amino)sulfonyl)-2- thiophenecarboxylic acid.
[Metabolic pathway]

The hydrolytic degradation of thifensulfuron methyl is pH dependent and, in alkaline condition, specifically yields the corresponding free acid. Primary degradation cleaves the sulfonylurea moiety to give two typical hydrolyzed products, sulfonamide and aminotriazine analogs, derived from thifensulfuron methyl in acidic and neutral conditions. Hydrolysis of the ester linkage proceeds in mammals, plants, soils, and also chemical hydrolysis, and opening of the triazine ring occurs to yield the acetyltriuret analog identified. On the other hand, by hydrolysis, O- demethylated thifensulfuron methyl undergoes opening of the triazine ring to give the corresponding acetyltriuret analog. Under photolytic conditions, methyl 3-(4-methoxy-6-methyl-1,3,5-triazin-2- yl)aminothiophene-2-carboxylate is identified.
Spectrum DetailBack Directory
[Spectrum Detail]

Thifensulfuron methyl(79277-27-3)1HNMR
Well-known Reagent Company Product InformationBack Directory
[Sigma Aldrich]

79277-27-3(sigmaaldrich)
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