Dialifor

  • N-(2-Chloro-1-(diethoxyphosphinothioylthio)ethyl)phthalimide
  • S-(2-chloro-1-(1,3-dihydro-1,3-dioxo-2H-isoindol-2-yl)ethyl)O,O-diethyl phosphorodithioate
  • S-(2-Chloro-1-(1,3-dihydro-1,3-dioxy-2H-Isoindol-2-yl)ethyl)o,o-diethyl phosphorodithioate
  • S-2-chloro-1-phthalimidoethyl O,O-diethyl phosphorodithioate
  • S-(2-Chloro-1-phthalmidoethyl)-O,o-diethylphosphorothionate
  • Torak
Formula
C14H17ClNO4PS2
Structure
Description
White crystalline solid, also reported as a colorless oil, colorless.
Uses
Acaricide, insecticide.

Registry Numbers and Inventories.
CAS
10311-84-9
EC (EINECS/ELINCS)
233-689-3
EC Index Number
015-088-00-6
EC Class
Very toxic; Toxic; Dangerous for the Environment
RTECS
TD5165000
RTECS class
Agricultural Chemical and Pesticide; Reproductive Effector
UN (DOT)
2783
Merck
12,3013
Beilstein/Gmelin
1550800
EPA OPP
102501
Swiss Giftliste 1
G-4603

Properties.
Formula
C14H17ClNO4PS2
Formula mass
393.85
Melting point, °C
67-69
Vapor pressure, mmHg
6E-8
Solubility in water
Insoluble
Partition coefficient, pKow
4.69

Hazards and Protection.
Storage
Stable over 2 years in normal storage conditions. Easily hydrolyzed by strong alkali, compatible with most other pesticides.
Handling
All chemicals should be considered hazardous. Avoid direct physical contact. Use appropriate, approved safety equipment. Untrained individuals should not handle this chemical or its container. Handling should occur in a chemical fume hood.
Protection
Protective clothing, including gloves, should be worn.
Respirators
Wear positive pressure self-contained breathing apparatus (SCBA).
Small spills/leaks
(Non-Specific -- Organophosphorus Pesticide, Solid, n.o.s.) Keep unnecessary people away; isolate hazard area and deny entry. Stay upwind; keep out of low areas. Ventilate closed spaces before entering them. Remove and isolate contaminated clothing at the site. Do not touch spilled material; stop leak if you can do it without risk. Use water spray to reduce vapors. Small spills: take up with sand or other noncombustible absorbent material and place into containers for later disposal. Small dry spills: with clean shovel place material into clean, dry container and cover; move containers from spill area. Large spills: dike far ahead of spill for later disposal.
Stability
The technical product and its formulations are stable for over 2 yr under normal conditions but are hydrolyzed readily by strong alkali. Reported to be readily hydrolyzed by strong alkali.

Fire.
Fire fighting
(Non-Specific -- Organophosphorus Pesticide, Solid, n.o.s.) Stay upwind; keep out of low areas. Ventilate closed spaces before entering them. Wear positive pressure breathing apparatus and special protective clothing. Move container from fire area if you can do it without risk. Fight fire from maximum distance. Dike fire control water for later disposal; do not scatter the material.(Non-Specific -- Organophosphorus Pesticide, Solid, n.o.s.) This material may burn but does not ignite readily. Small fires: dry chemical, carbon dioxide, water spray, or foam. Large fires: water spray, fog, or foam.
Fire potential
Non-Combustible
Hazards
Releases nitrogen oxides, sulfur oxides, and phosphorus oxides when heated. Readily hydrolyzed by concentrated alkali. Avoid alkali.
Combustion products
Fire may produce irritating, corrosive and/or toxic gases.

Health.
Poison_Class
2
Exposure effects
Fever, low heart rate and abnormally low blood pressure, or rapid heart rate and elevated blood pressure may occur. Headache, dizziness, muscle spasms and profound weakness are common. Alterations of level of consciousness, anxiety, paralysis, seizures and coma may occur. Seizures may be more common in children.
   Ingestion
Vomiting, diarrhea, fecal incontinence and abdominal pain may occur.
   Inhalation
Dyspnea, rales, bronchorrhea, or tachypnea may be noted. Pulmonary edema may occur in severe cases.
   Skin
Dialifor is a mild skin irritant in rabbits.
   Eyes
Constriction of the pupil, tearing, and blurred vision are common. Prolonged dialation of the pupils may occur in severe poisonings. Opsoclonus has occurred rarely. Excessive salivation commonly occurs.

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. Remove material from skin immediately. 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
2783
Response guide
Hazard class
6.1
Packing Group
I; II; III
 
USCG CHRIS Code
DLF