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HEPTENOPHOS

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HEPTENOPHOS Basic information

Product Name:
HEPTENOPHOS
Synonyms:
  • RAGADAN
  • (7-chlorobicyclo(3.2.0)hepta-3,6-dien-6-yloxy)-phosphonicacidimethyles
  • 5-(o,o-dimethylphosphoryl)-6-chlorobicyclo(3.2.0)hepta-1,5-dien
  • Hoe 02982
  • hoe2982
  • hoe2982oj
  • hostavik
  • o,o’-dimethyl-o-(6-chlorobicyclo(3.2.0)heptadiene-1,5-yl)phosphate
CAS:
23560-59-0
MF:
C9H12ClO4P
MW:
250.62
EINECS:
245-737-0
Mol File:
23560-59-0.mol
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HEPTENOPHOS Chemical Properties

Melting point:
25°C
Boiling point:
bp0.001 94-95°
Density 
d420 1.294
vapor pressure 
6.5 x 10-2 Pa (15 °C)
Flash point:
2 °C
storage temp. 
APPROX 4°C
Water Solubility 
2200 mg l-1 (20 °C)
form 
liquid
EPA Substance Registry System
Heptenophos (23560-59-0)
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Safety Information

Hazard Codes 
T,N,Xn,F
Risk Statements 
25-50/53-52/53-36-20/21/22-11
Safety Statements 
23-28-37-45-60-61-36/37-26
RIDADR 
3018
WGK Germany 
3
RTECS 
TB8545000
HazardClass 
6.1(b)
PackingGroup 
III
HS Code 
29199000
Hazardous Substances Data
23560-59-0(Hazardous Substances Data)
Toxicity
LD50 orally in rats: 96-117 mg/kg (Hewson)
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HEPTENOPHOS Usage And Synthesis

Description

Heptenophos is a light brown liquid or crystalline mass. It is soluble in water (2.2 g/L at 20 ?C) and miscible with most organic solvents, except aliphatic hydrocarbons. Log Kow = 2.32. Heptenophos is hydrolyzed in acidic and alkaline media.

Chemical Properties

Pale amber liquid; miscible in most organic solvents; soluble in xylene, acetone, and methanol.

Uses

Heptenophos is used to control sucking pests (primarily aphids) in a wide range of crops. It is also used as an ectoparasiticide to control ticks, lice, mites and fleas in farm animals and pets.

Uses

Insecticide.

Uses

Heptenophos is a pesticide used for fruits and vegetables.

Definition

A nonpersistent contact and systematic phosphate insecticide.

Hazard

Poison; moderately toxic.

Metabolic pathway

Metabolism of heptenophos in soils is by hydrolysis to 7-chloro-bicyclo[3.2.0]hept-2-en-6-one, further transformations of which involve microbially-mediated Baeyer-Villiger oxidations of the cyclobutanone moiety, ring opening of the resultant lactones, dechlorination and dehydrochlorination followed by ultimate mineralisation to CO2 and conversion to unextractable soil-bound residues. In rats, 7-chlorobicyclo[3.2.0]hept-2-en-6-one is further transformed to give the Favorskiirearranged product bicyclo[3.l.0]hex-2-en-6-exo-carboxylic acid as a urinary metabolite.

Metabolism

In rats 90% of heptenophos is excreted in the urine and 6% in the feces as water-soluble metabolites within 6 days after oral administration. In plant (lettuce), it is completely transformed to watersoluble metabolites without accumulation within 4 d. In soil, it is rapidly degraded bymicroorganisms, DT50 (20 ?C) being less than 4 h.

Degradation

Heptenophos is hydrolysed in acidic and alkaline media (PM).

Toxicity evaluation

Acute oral LD50 for rats is 96–121 mg/kg. Inhalation LC50 (4 h) for rats is 0.95 mg/L air. NOEL (2 yr) for rats is 15 mg/kg diet (0.75 mg/kg/d). ADI is 3 μg/kg b.w.

HEPTENOPHOSSupplier

J & K SCIENTIFIC LTD.
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TianJin Alta Scientific Co., Ltd.
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Alta Scientific Co., Ltd.
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