Agrochemical D-Phenothrin

Specifications

1) Cas No.:26002-80-2
2) Appearance:Pale yellow to yellow-brown clear liquid
3)Payment: L/C T/T D/P
4) Best price

 

D-Phenothrin

 

CAS #: 26002-80-2

 

Categories:  Insecticides

 

Description:

 

NOMENCLATURE
Common name: phenothrin; phénothrine
IUPAC name: (for phenothrin): 3-phenoxybenzyl (1RS,3RS;1RS,3SR)-2,2-dimethyl-3-(2-methylprop-1-enyl)cyclopropanecarboxylate (see Composition)
Alt: 3-phenoxybenzyl (?-cis-trans-chrysanthemate
Roth: 3-phenoxybenzyl (1RS)-cis-trans-2,2-dimethyl-3-(2-methylprop-1-enyl)cyclopropanecarboxylate
Chemical Abstracts name: (3-phenoxyphenyl)methyl 2,2-dimethyl-3-(2-methyl-1-propenyl)cyclopropanecarboxylate 
Other names: d-phenothrin for (1R)-rich grade
CAS RN: [26002-80-2] (1RS)-cis-trans- isomers; [51186-88-0] (1R)-cis- isomer; [26046-85-5] (1R)-trans- isomer
EEC no.: 247-404-5

 

PHYSICAL CHEMISTRY
Composition: The common name phenothrin refers to a mixture of (1RS)-cis-trans- isomers. d-Phenothrin contains 93% (1R)- isomers, 75% trans- isomer.

Mol. wt.: 350.5;

M.f.: C₂₃H₂₆O₃;

Form: Pale yellow to yellow-brown clear liquid, with a faint characteristic odour.

B.p.: >290C/760 mmHg.

V.p.: 1.9x10^-2 mPa (21.4C).

KOW: logP = 6.01 (20C).

Henry: >6.75x10^-1 Pa m³ mol^-1 (calc.).

S.g./density: 1.06 (20C).

Solubility: In water <9.7 ug/l (25C). In methanol >5.0, hexane >4.96 g/ml (25C). Stability: Stable under normal storage conditions. Hydrolysed by alkalis.

F.p.: 107C (Pensky-Martens closed test).

 

APPLICATIONS
Mode of action: Non-systemic insecticide with contact and stomach action. Gives rapid knockdown.
Uses: Used to control injurious and nuisance insects of public health (Acari, Cimex lectularius, Culicidae, Muscidae, Siphonaptera and Pediculus humanus). Also used to protect stored grain.
Formulation types: Aerosol; EC; OL.
Compatibility: Incompatible with alkaline materials.

 

MAMMALIAN TOXICOLOGY
Oral: Acute oral LD₅₀ for rats >5000 mg/kg.
Skin and eye: Acute percutaneous LD₅₀ for rats >2000 mg/kg.
Inhalation: LC₅₀ (4 h) for rats >2100 mg/m3.
ADI: 0.07 mg/kg b.w. (for d-phenothrin)
Toxicity class: WHO (a.i.) III (Table 5); EPA (formulation) IV

ECOTOXICOLOGY
Birds: Acute oral LD₅₀ for bobwhite quail >2500 mg/kg.
Fish: LC₅₀ (96 h) for rainbow trout 2.7, bluegill sunfish 16 ug/l.
Daphnia: EC₅₀ (48 h) 0.0043 mg/l.
Bees: Toxic to bees.

 

ENVIRONMENTAL FATE
Soil/Environment: Undergoes degradation by photo-oxidation