Chemical Identification
Common Name
Bensultap
中文通用名
杀虫磺
IUPAC
S,S'-2-dimethylaminotrimethylene di(benzenethiosulfonate)
CAS
S,S'-[2-(dimethylamino)-1,3-propanediyl] di(benzenesulfothioate)
CAS No.
17606-31-4
Molecular Formula
C17H21NO4S4
Molecular Structure
Physical Properties
Molecular weight:431.6; Physical form:Pale yellow crystalline powder with slight characteristic odour. Melting point:83-84 °C (decomposes at c. 150 °C); Vapour pressure:0.21 (22 °C); Partition coefficient(n-octanol and water):logP = 2.28 (25 °C); Solubility:In water 0.7-0.8 / (30 °C). In methanol 25, xylene 77, ethanol 13, hexane 0.17 (all in g/, 25 °C). In acetone, acetonitrile, N,N-dimethylformamide, chloroform >1000 (all in g/?/SYM>150 °C under dispersed light and at <5 (room temperature), but hydrolysed in neutral or alkaline solution.;
Toxicology
Oral:Acute oral 50 for male rats 1105, female rats 1120, male mice 516, female mice 484 /. Percutaneous:Acute percutaneous 50 for rabbits >2000 /kg. Slight eye irritant; non-irritating to skin (rabbits). Inhalation:50 (4 h) for rats >0.47 /l air. Phytotoxicity:May be phytotoxic to certain varieties of apple, peach
Environmental Profile
Ecotoxicology: 
Bees:Low toxicity to honeybees. 50 (topical, 48 h) 25.9 mg/bee.Birds:Acute oral 50 for bobwhite quail 311 /kg. Dietary 50 for bobwhite quail 1784, mallard ducks 3112 / diet.Daphnia:50 (6 h) 40 (as EC)/l.Fish:50 (48 h) for carp 15, guppy 17, goldfish 11, rainbow trout 0.76 /l. 50 (72 h) for carp 8.2, guppy 16, goldfish 7.4, rainbow trout 0.76 /l. 

Environmental fate: 
Soil:50 in soil varies from 3-35 d, depending on soil type. Soil 50 c. 7 d (upland conditions in laboratory).
Transport Information
Signal Word:CAUTION; 
Hazard Class:III(Slightly hazardous)

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