Heptenophos

  • 5-(O,O-Dimethylphosphoryl)-6-chlorobicyclo (3.2.0)hepta-1,5-dien
  • 7-Chlorobicyclo(3.2.0)hepta-2,6-dien-6-yl dimethyl phosphate
  • O,O-Dimethyl-O-(6-chlorobicyclo(3.2.0)heptadien-1,5-yl)phosphate
Formula
C9H12ClO4P
Structure
Description
Light brown liquid with a phosphate ester odor.
Uses
Systemic insecticide. Primarily for aphids in agricultural, horticultural and ornamental crops. For cherry fruit fly, psylla; phorid fly on mushrooms; mealy bugs, white flies, thrips in greenhouses.

Registry Numbers and Inventories.
CAS
23560-59-0
EC (EINECS/ELINCS)
245-737-0
EC Index Number
015-126-00-1
23 28 37 45
RTECS
TB8545000
RTECS class
Agricultural Chemical and Pesticide
UN (DOT)
3018
Merck
12,4699
Beilstein/Gmelin
1978448
Beilstein Reference
5-06
EPA OPP
215600
Korea ECL
Listed

Properties.
Formula
C9H12ClO4P
Formula mass
250.62
Boiling point, °C
289
Vapor pressure, mmHg
0.004 (25 C)
Density
1.28 g/mL (20 C)
Solubility in water
2.5 g/L (23 C)
Heat of vaporization
50.7 kJ/mol

Hazards and Protection.
Storage
Keep tightly closed. Store at 2-8 C
Protection
Compatible chemical-resistant gloves. Chemical safety goggles.
Respirators
Wear positive pressure self-contained breathing apparatus (SCBA).
Small spills/leaks
Do not touch damaged containers or spilled material unless wearing appropriate protective clothing. Stop leak if you can do it without risk. Cover with plastic sheet to prevent spreading. Absorb or cover with dry earth, sand or other non-combustible material and transfer to containers. DO NOT GET WATER INSIDE CONTAINERS.
Stability
Stable at normal temperatures and pressures.
Incompatibilities
Strong oxidizing agents.
Decomposition
Carbon monoxide, Carbon dioxide.

Fire.
Flash Point,°C
165
Fire fighting
Extinguish using Water spray. Carbon dioxide, dry chemical powder, or appropriate foam. Wear self-contained breathing apparatus and protective clothing to prevent contact with skin and eyes.
Fire potential
Combustible material: may burn but does not ignite readily.
Hazards
Containers may explode when heated.
Combustion products
Fire may produce irritating, corrosive and/or toxic gases.
Health
3
 
Flammability
0
 
 
Reactivity
0
 

Health.
Exposure effects
Harmful in contact with skin. Toxic if swallowed. Very toxic by inhalation.
   Ingestion
Toxic if swallowed.
   Inhalation
Highly toxic, may be fatal if inhaled, swallowed or absorbed through skin. Effects of contact or inhalation may be delayed.
   Skin
Contact with molten substance may cause severe burns to skin and eyes. Avoid any skin contact.
   Eyes
See Skin.

First aid
 
   Ingestion
Seek medical assistance.
   Inhalation
Move victim to fresh air. Apply artificial respiration if victim is not breathing. Do not use mouth-to-mouth method if victim ingested or inhaled the substance; induce artificial respiration with the aid of a pocket mask equipped with a one-way valve or other proper respiratory medical device. Administer oxygen if breathing is difficult.
   Skin
Remove and isolate contaminated clothing and shoes. Immediately flush with running water for at least 20 minutes. For minor skin contact, avoid spreading material on unaffected skin.
   Eyes
Immediately flush with running water for at least 20 minutes.

Transport.
UN number
3018
Response guide
Hazard class
6.1
Packing Group
III
 
Std. Transport #
2921674