ChemicalBook--->CAS DataBase List--->104653-34-1

104653-34-1

104653-34-1 Structure

104653-34-1 Structure
IdentificationBack Directory
[Name]

DIFETHIALONE
[CAS]

104653-34-1
[Synonyms]

LM2219
Baraki
RODILON
Hsdb 7119
GENERATION
Difethiarol
DIFETHIALONE
Difethialone-13C6
Difethialone [iso]
ro-1-naphthalenyl)-4-hydroxy-
Difethialone (Mixture of Diastereomers)
Difethialone-d4 (Mixture of Diastereomers)
2h-1-benzothiopyran-2-one,3-(3-(4’-bromo(1,1’-biphenyl)-4-yl)-1,2,3,4-tetrahyd
3-[3-[4-(4-bromophenyl)phenyl]-1,2,3,4-tetrahydronaphthalen-1-yl]-2-hydroxythiochromen-4-one
2H-1-Benzothiopyran-2-one, 3-3-(4-bromo1,1-biphenyl-4-yl)-1,2,3,4-tetrahydro-1-naphthalenyl-4-hydroxy-
3-(3-(4'-Bromo(1,1'-biphenyl)-4-yl)-1,2,3,4-tetrahydro-1-naphthalenyl)-4-hydroxy-2H-1-benzothiapyran-2-one
3-[3-(4'-BroMo[1,1'-biphenyl]-4-yl)-1,2,3,4-tetrahydro-1-naphthalenyl]-4-hydroxy-2H-1-benzothiopyran-2-one
2H-1-Benzothiapyran-2-one, 3-(3-(4'-bromo(1,1'-biphenyl)-4-yl)-1,2,3,4-tetrahydro-1-naphthalenyl)-4-hydroxy-
[Molecular Formula]

C31H23BrO2S
[MDL Number]

MFCD01663605
[MOL File]

104653-34-1.mol
[Molecular Weight]

539.48
Chemical PropertiesBack Directory
[Melting point ]

203-227°
[Boiling point ]

658.3±55.0 °C(Predicted)
[density ]

1.3614 g/cm3(Temp: 25 °C)
[solubility ]

Chloroform: slightly soluble; Methanol: slightly soluble
[form ]

A solid
[pka]

4.50±1.00(Predicted)
[EPA Substance Registry System]

Difethialone (104653-34-1)
Safety DataBack Directory
[RIDADR ]

UN2588 (Pesticide, solid, poi- sonous, n.o.s.); UN2902 (Pesticide, liquid, poisonous, n.o.s.)
[HS Code ]

29349990
[Hazardous Substances Data]

104653-34-1(Hazardous Substances Data)
[Toxicity]

LD50 orally in male, female rats, mice (mg/kg): 0.62, 0.42, 0.52, 0.43 (non-resistant); 0.27, 0.39, 0.46, 0.52 (warfarin resistant); LD50 in hare: 0.75 mg/kg; LC50 in mallard duck, bobwhite quail (ppm): 1.94, 0.56; LD50 at 48 hrs in daphnia magna, bluegill sunfish, rainbow trout (mg/l): 4.4, 110, 67 (Lechevin)
Hazard InformationBack Directory
[Description]

Difethialone[104653-34-1], 3-[(1RS,3RS; 1RS,3SR)-3- (4 -bromobiphenyl-4-yl)-1,2,3,4-tetrahydro-1-naphthyl]- 4-hydroxy-1-benzothiin-2-one, C31H23BrO2S, MW 539.5, mp 233–236 ?C, is a slightly yellowish powder which is practically insoluble in water, moderately soluble in ethanol, methanol, hexane, acetone, readily soluble in chloroform, dimethylformamide [9, p. 393].
[Uses]

Difethialone is an anticoagulant rodenticide widely used to control rodent infestations.
[Uses]

Pesticide.
[Definition]

ChEBI:Difethialone is a member of benzenes, a member of naphthalenes and a ring assembly.
[Preparation]

Difethialone is made by condensation of 4-hydroxy-2H- 1-benzothiapyran-2-one with 3-(4 -bromo-4-biphenyl)-1,2, 3,4-tetrahydro-1-naphthol in acetic acid containing concentrated sulfuric acid (62).
[Agricultural Uses]

Rodenticide, Pesticide: Introduced in 1986, this second-generation anticoagulant rodenticide (member of the hydroxy-4-benzothiopyranone family) is used to control mice and rats, including those resistant to first-generation anticoagulants. Not approved for use in most EU countries. Approved for use in the U.S.
[Trade name]

LM-2219®; PROTECTA RAT BAIT STATION®; VETERAN PELLET®; VETERAN WAX BLOCK®
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