Bendiocarb

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Chemical Identification | General Product Information | Physical & Safety Data

Chemical Identification

Common Name

Bendiocarb

中文通用名

噁虫威

IUPAC

2,3-isopropylidenedioxyphenyl methylcarbamate; 2,2-dimethyl-1,3-benzodioxol-4-yl methylcarbamate

CAS

2,2-dimethyl-1,3-benzodioxol-4-yl methylcarbamate

CAS No.

22781-23-3

Molecular Formula

C₁₁H₁₃NO₄

Molecular Structure

General Product Information

Category

Insecticides > Carbamate insecticides

Activity

Insecticide

Physical & Safety Data

Physical Properties

Molecular weight:223.2; Physical form:Colourless, odourless, crystalline solid. Density:0.69 (20 °C); Melting point:124.6-128.7 °C; Vapour pressure:4.6 (25 °C) (gas saturation with detection); Partition coefficient(n-octanol and water):logP = 1.72 ( 6.55); pKa:8.8, v. weak acid; Solubility:In water 0.28 g/l ( 7, 20 °C). In dichloromethane 200-300, chloroform, dioxane 200, acetone 150-200, methanol 75-100, ethyl acetate 60-75, benzene, ethanol 40, o-xylene 10, p-xylene 11.7, n-hexane 0.225, keros; Stability:Hydrolysed rapidly in alkaline media, and more slowly in neutral and acidic media. 50 (tested under guidelines) (25 °C) 4 d ( 7), the products being 2,3-isopropylidenedioxyphenol, methyla;

Toxicology

Oral:Acute oral 50 for rats 40-156, mice 45, guinea pigs 35, rabbits 35-40 /. Percutaneous:Acute percutaneous 50 for rats 566-800 /kg. Non-irritating to skin and eyes. Inhalation:50 (4 h) for rats 0.55 /l air. Phytotoxicity:Non-phytotoxic when used as directed. Not to be used on coleus. ADI:(

Environmental Profile

Ecotoxicology:
Bees:Toxic to bees. Oral 50 for honeybees 0.1 mg/bee.Birds:Acute oral 50 for mallard ducks 3.1, bobwhite quail 19, domestic hens 137 /.Daphnia:50 (24 h) 0.33 /l; (48 h) 0.16 /l.Fish:50 (96 h) sheepshead minnow 0.86, bluegill sunfish 1.65, rainbow trout 1.55 /l.

Environmental fate:
Animals:In rats and a range of other mammals, rapidly absorbed following oral administration or inhalation, but not following skin contact. Rapidly detoxified and eliminated almost completely within 24 hours as the sulfate and glucuronide conjugate of the principSoil:Bendiocarb is rapidly degraded in soil, via hydrolysis of the methyl carbamate and heterocyclic rings, followed by oxidation to polar and soil-bound residues, together with considerable mineralisation of the phenyl ring to CO₂. The rate of degr

Transport Information

Signal Word:WARNING; Hazard Class:II(Moderately hazardous)