Chemical Identification
Common Name
Difenacoum
中文通用名
鼠得克
IUPAC
3-[(1RS,3RS;1RS,3SR)-3-biphenyl-4-yl-1,2,3,4-tetrahydro-1-naphthyl]-4-hydroxycoumarin
CAS
3-[3-(1,1′-biphenyl)-4-yl-1,2,3,4-tetrahydro-1-naphthalenyl]-4-hydroxy-2H-1-benzopyran-2-one
CAS No.
56073-07-5
Molecular Formula
C31H24O3
Molecular Structure
Category
Activity
Rodenticide
Premix
Ready-to-use cereal based bait in pellets, whole and broken grains, waterproof wax blocks, loose, or bait packs. Premix Parters: methomyl.
Physical Properties
Molecular weight:444.5. Physical form:Colourless, odourless crystals; ( tech., buff/beige powder). Composition:Tech. material is >90% pure. Melting point:215-217 °C; Vapour pressure:0.16 mPa (45 °C); Partition coefficient(n-octanol and water):logP >7 ( calc., unionised); Solubility:In water 31×10-3 ( pH 5.2), 2.5 ( pH 7.3), 84 ( pH 9.3) (all in mg/l, 20 °C). Slightly soluble in alcohols. In acetone, chloroform >50, ethyl acetate 2, benzene 0.6 (a; Stability:Stable to light, and to temperatures up to 100 °C. Soluble in benzene and chloroform. Moderately soluble in acetone and ethanol. Practically insoluble in petroleum ether.
Toxicology
Oral:Acute oral LD50 for male rats 1.8 mg/kg, female rats 2.45 mg/kg, male mice 0.8 mg/kg, rabbits 2.0 mg/kg, female guinea pigs 50 mg/kg, dogs >50 mg/kg, cats >100 mg/kg, pigs >50 mg/kg. Sub-acute oral LD50 (5 d) for male rats 0 Percutaneous:Acute percutaneous LD50 for male rats 27.4, female rats 17.2, rabbits 1000 mg/kg. Non-irritating to skin and eyes (rabbits). Not a
Environmental Profile
Ecotoxicology: 
Birds:Acute oral LD50 for chickens >50 mg/kg.Daphnia: LC50 (48 h) 0.52 mg/l.Fish: LC50 (96 h) for rainbow trout 0.10 mg/l. 
Environmental fate: 
Soil: DT50 (average) 290 d (range 146-439 d). Unlikely to leach; no leaching in 30 cm lab. columns.
WATER SOLUBILITY: Practically insoluble.
Transport Information
Signal Word:DANGER; Hazard Class:Ia (Extremely hazardous)

Porduct NewsMore

ECHA to approve eight rodenticides as candidates for substitution

Brodifacoum Bromadiolone Chlorophacinone Coumatetralyl Difenacoum Difethialone Flocoumafen Warfarin

Related CompaniesMore

Siyang Rodenticide Factory

Country:  China

Bromadiolone Technical Grade Material Brodifacoum Technical Grade Material C22H19BrO C22H20O

DPC GROUP CORPORATION LIMITED

Country:  China

Brodifacoum Bromadiolone Difenacoum Chloralose Transfluthrin Tetramethrin Meperfluthrin Bioallethrin Dimefluthrin Prallethrin

Stanley Alliance Info-tech Limited

Country:  Global

Pentagon Chemicals Ltd

Country:  United Kingdom