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79277-27-3

Name Thifensulfuron methyl
CAS 79277-27-3
EINECS(EC#) 616-673-4
Molecular Formula C12H13N5O6S2
MDL Number MFCD00468118
Molecular Weight 387.39
MOL File 79277-27-3.mol

Chemical Properties

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 Data

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).

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