DDE

  • p,p'-DDE
  • 2,2-bis(p-Chlorophenyl)-1,1-dichloroethylene
  • 1,1-bis(p-Chlorophenyl)-2,2-dichloroethylene
  • 2,2-bis(4-Chlorophenyl)-1,1-dichloroethylene
Formula
C14H8Cl4
Structure
Description
White crystalline solid or white powder.
Uses
insecticide

Registry Numbers and Inventories.
CAS
72-55-9
EC (EINECS/ELINCS)
200-784-6
RTECS
KV9450000
RTECS class
Tumorigen; Mutagen; Reproductive Effector
UN (DOT)
2762
Beilstein/Gmelin
1913355
Beilstein Reference
4-05-00-02177
Swiss Giftliste 1
G-4015
Austrailia AICS
Listed
New Zealand
Listed

Properties.
Formula
C14H8Cl4
Formula mass
318.02
Melting point, °C
88-90
Boiling point, °C
316.5
Vapor pressure, mmHg
0.00002 (25 C)
Density
1.506 g/cm3 (20 C)
Solubility in water
0.065 mg/L at 24 C
Partition coefficient, pKow
6.51

Hazards and Protection.
Storage
Keep container closed when not in use. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
Handling
Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Minimize dust generation and accumulation. Avoid contact with eyes, skin, and clothing. Do not ingest or inhale. Use with adequate ventilation.
Protection
Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin exposure.
Respirators
A respiratory protection program that meets OSHA's 29 CFR 1910.134 and ANSI Z88.2 requirements or European Standard EN 149 must be followed whenever workplace conditions warrant a respirator's use.
Small spills/leaks
Avoid runoff into storm sewers and ditches which lead to waterways. Clean up spills immediately, using the appropriate protective equipment. Sweep up, then place into a suitable container for disposal. Avoid generating dusty conditions. Provide ventilation.
Stability
Stable under normal temperatures and pressures.
Incompatibilities
Strong oxidizing agents - strong bases.
Decomposition
Hydrogen chloride, carbon monoxide, carbon dioxide.

Fire.
Fire fighting
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Water runoff can cause environmental damage. Dike and collect water used to fight fire. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. Will burn if involved in a fire. Extinguishing media: For large fires, use water spray, fog or regular foam. For small fires, use dry chemical, carbon dioxide, water spray or regular foam. Cool containers with flooding quantities of water until well after fire is out.
Fire potential
This material is probably combustible.
Hazards
Vapors may form explosive mixtures with air. Vapors may travel to source of ignition and flash back. Most vapors are heavier than air. They will spread along ground and collect in low or confined areas (sewers, basements, tanks). Vapor explosion and poison hazard indoors, outdoors or in sewers.
Combustion products
Fire will produce irritating, corrosive and/or toxic gases.
Health
1
 
Flammability
0
 
 
Reactivity
0
 

Health.
Exposure limit(s)
IDHL: NIOSH considers cadmium dust (as Cd) to be a potential occupational carcinogen.
Carcinogin
CP65
Poison_Class
4
Exposure effects
May cause cancer according to animal studies. Reproductive effects have been reported in animals. Laboratory experiments have resulted in mutagenic effects.
   Ingestion
May cause irritation of the digestive tract. May be harmful if swallowed. Ingestion of large amounts may cause liver and/or kidney damage.
   Inhalation
May cause respiratory tract irritation.
   Skin
May cause skin irritation.
   Eyes
May cause eye irritation.

First aid
 
   Ingestion
If victim is conscious and alert, give 2-4 cupfuls of milk or water. Never give anything by mouth to an unconscious person. Get medical aid immediately.
   Inhalation
Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
   Skin
Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse.
   Eyes
Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.

Transport.
UN number
2762
Response guide
Hazard class
3
Packing Group
I; II
 
USCG CHRIS Code
DDF