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DDT

6.1 - Poison
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The Chemical Identifier fields include common identification numbers, the NFPA diamond U.S. Department of Transportation hazard labels, and a general description of the chemical. The information in CAMEO Chemicals comes from a variety of data sources.
CAS Number UN/NA Number
  • 50-29-3
DOT Hazard Label USCG CHRIS Code
  • Poison
NIOSH Pocket Guide International Chem Safety Card
DDTexternal_link
NFPA 704
data unavailable
General Description
Odorless colorless solid. Sinks in water. (USCG, 1999)

The Hazard fields include special hazard alerts air and water reactions, fire hazards, health hazards, a reactivity profile, and details about reactive groups assignments and potentially incompatible absorbents. The information in CAMEO Chemicals comes from a variety of data sources.
Reactivity Alerts
none
Air & Water Reactions
Insoluble in water.
Fire Hazard
Special Hazards of Combustion Products: Toxic and irritating gases may be generated

Behavior in Fire: Melts and burns (USCG, 1999)
Health Hazard
Very large doses are followed promptly by vomiting, due to local gastric irritation; delayed emesis or diarrhea may occur. With smaller doses, symptoms usually appear 2-3 hours after ingestion. These include tingling of lips, tongue, and face; malaise, headache, sore throat, fatigue, coarse tremors of neck, head, and eyelids; apprehension, ataxia, and confusion. Convulsions may alternate with periods of coma and partial paralysis. Vital signs are essentially normal, but in severe poisoning the pulse may be irregular and abnormally slow; ventricular fibrillation and sudden death may occur at any time during acute phase. Pulmonary edema usually indicates solvent intoxication. (USCG, 1999)
Reactivity Profile
DDT may react with iron, aluminum, aluminum and iron salts, and alkalis. It is incompatible with ferric chloride and aluminum chloride. It can also react with strong oxidizing materials. (NTP, 1992).
Belongs to the Following Reactive Group(s)
Potentially Incompatible Absorbents

No information available.

The Response Recommendation fields include isolation and evacuation distances, as well as recommendations for firefighting, non-fire response, protective clothing, and first aid. The information in CAMEO Chemicals comes from a variety of data sources.
Isolation and Evacuation
Excerpt from ERG Guide 151 [Substances - Toxic (Non-Combustible)]:

IMMEDIATE PRECAUTIONARY MEASURE: Isolate spill or leak area in all directions for at least 50 meters (150 feet) for liquids and at least 25 meters (75 feet) for solids.

SPILL: Increase the immediate precautionary measure distance, in the downwind direction, as necessary.

FIRE: If tank, rail tank car or highway tank is involved in a fire, ISOLATE for 800 meters (1/2 mile) in all directions; also, consider initial evacuation for 800 meters (1/2 mile) in all directions. (ERG, 2024)
Firefighting
Fire Extinguishing Agents: Water, foam, dry chemical, or carbon dioxide (USCG, 1999)
Non-Fire Response
Excerpt from ERG Guide 151 [Substances - Toxic (Non-Combustible)]:

Do not touch damaged containers or spilled material unless wearing appropriate protective clothing. Stop leak if you can do it without risk. Prevent entry into waterways, sewers, basements or confined areas. 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. For solids, prevent dust cloud and avoid inhalation of dust. (ERG, 2024)
Protective Clothing
Excerpt from NIOSH Pocket Guide for DDTexternal link:

Skin: PREVENT SKIN CONTACT - Wear appropriate personal protective clothing to prevent skin contact.

Eyes: PREVENT EYE CONTACT - Wear appropriate eye protection to prevent eye contact.

Wash skin:
• WHEN CONTAMINATED - The worker should immediately wash the skin when it becomes contaminated.
• DAILY - The worker should wash daily at the end of each work shift, and prior to eating, drinking, smoking, etc.

Remove: WHEN WET OR CONTAMINATED - Work clothing that becomes wet or significantly contaminated should be removed and replaced.

Change: DAILY - Workers whose clothing may have become contaminated should change into uncontaminated clothing before leaving the work premises.

Provide:
• EYEWASH - Eyewash fountains should be provided in areas where there is any possibility that workers could be exposed to the substances; this is irrespective of the recommendation involving the wearing of eye protection.
• QUICK DRENCH - Facilities for quickly drenching the body should be provided within the immediate work area for emergency use where there is a possibility of exposure. [Note: It is intended that these facilities provide a sufficient quantity or flow of water to quickly remove the substance from any body areas likely to be exposed. The actual determination of what constitutes an adequate quick drench facility depends on the specific circumstances. In certain instances, a deluge shower should be readily available, whereas in others, the availability of water from a sink or hose could be considered adequate.] (NIOSH, 2024)
DuPont Tychem® Suit Fabrics
No information available.
First Aid
EYES: First check the victim for contact lenses and remove if present. Flush victim's eyes with water or normal saline solution for 20 to 30 minutes while simultaneously calling a hospital or poison control center. Do not put any ointments, oils, or medication in the victim's eyes without specific instructions from a physician. IMMEDIATELY transport the victim after flushing eyes to a hospital even if no symptoms (such as redness or irritation) develop.

SKIN: IMMEDIATELY flood affected skin with water while removing and isolating all contaminated clothing. Gently wash all affected skin areas thoroughly with soap and water. If symptoms such as redness or irritation develop, IMMEDIATELY call a physician and be prepared to transport the victim to a hospital for treatment.

INHALATION: IMMEDIATELY leave the contaminated area; take deep breaths of fresh air. IMMEDIATELY call a physician and be prepared to transport the victim to a hospital even if no symptoms (such as wheezing, coughing, shortness of breath, or burning in the mouth, throat, or chest) develop. Provide proper respiratory protection to rescuers entering an unknown atmosphere. Whenever possible, Self-Contained Breathing Apparatus (SCBA) should be used; if not available, use a level of protection greater than or equal to that advised under Protective Clothing.

INGESTION: If the victim is conscious and not convulsing, give 1 or 2 glasses of water to dilute the chemical and IMMEDIATELY call a hospital or poison control center. Generally, the induction of vomiting is NOT recommended outside of a physician's care due to the risk of aspirating the chemical into the victim's lungs. However, if the victim is conscious and not convulsing and if medical help is not readily available, consider the risk of inducing vomiting because of the high toxicity of the chemical ingested. Ipecac syrup or salt water may be used in such an emergency. IMMEDIATELY transport the victim to a hospital. If the victim is convulsing or unconscious, do not give anything by mouth, ensure that the victim's airway is open and lay the victim on his/her side with the head lower than the body. DO NOT INDUCE VOMITING. IMMEDIATELY transport the victim to a hospital.

OTHER: Since this chemical is a known or suspected carcinogen you should contact a physician for advice regarding the possible long term health effects and potential recommendation for medical monitoring. Recommendations from the physician will depend upon the specific compound, its chemical, physical and toxicity properties, the exposure level, length of exposure, and the route of exposure. (NTP, 1992)

The Physical Property fields include properties such as vapor pressure and boiling point, as well as explosive limits and toxic exposure thresholds The information in CAMEO Chemicals comes from a variety of data sources.

Note: For Vapor Density and Specific Gravity, comparing the value to 1.0 can tell you if the chemical will likely sink/rise in air or sink/float in fresh water (respectively). Short phrases have been added to those values below as an aid. However, make sure to also consider the circumstances of a release. The Vapor Density comparisons are only valid when the gas escaping is at the same temperature as the surrounding air itself. If the chemical is escaping from a container where it was pressurized or refrigerated, it may first escape and behave as a heavy gas and sink in the air (even if it has a Vapor Density value less than 1). Also, the Specific Gravity comparisons are for fresh water (density 1.0 g/mL). If your spill is in salt water (density about 1.027 g/mL), you need to adjust the point of comparison. There are some chemicals that will sink in fresh water and float in salt water.
Chemical Formula:
  • C14H9Cl5
Flash Point: 324 to 340°F (NTP, 1992)
Lower Explosive Limit (LEL): data unavailable
Upper Explosive Limit (UEL): data unavailable
Autoignition Temperature: data unavailable
Melting Point: 227 to 228°F (NTP, 1992)
Vapor Pressure: 1.5e-07 mmHg at 68°F (NTP, 1992)
Vapor Density (Relative to Air): data unavailable
Specific Gravity: 1.56 at 59°F (USCG, 1999) - Denser than water; will sink
Boiling Point: 500°F at 760 mmHg (NTP, 1992)
Molecular Weight: 354.49 (NTP, 1992)
Water Solubility: less than 1 mg/mL at 70°F (NTP, 1992)
Ionization Energy/Potential: data unavailable
IDLH: 500 mg/m3 ; A potential occupational carcinogen. (NIOSH, 2024)

AEGLs (Acute Exposure Guideline Levels)

No AEGL information available.

ERPGs (Emergency Response Planning Guidelines)

No ERPG information available.

PACs (Protective Action Criteria)

Chemical PAC-1 PAC-2 PAC-3
DDT; (Dichlorodiphenyltrichloroethane) (50-29-3) 3 mg/m3 34 mg/m3 210 mg/m3
(DOE, 2024)

The Regulatory Information fields include information from the U.S. Environmental Protection Agency's Title III Consolidated List of Lists, the U.S. Cybersecurity and Infrastructure Security Agency's Chemical Facility Anti-Terrorism Standards, and the U.S. Occupational Safety and Health Administration's Process Safety Management of Highly Hazardous Chemicals Standard List (see more about these data sources).

EPA Consolidated List of Lists

Regulatory Name CAS Number/
313 Category Code
EPCRA 302
EHS TPQ
EPCRA 304
EHS RQ
CERCLA RQ EPCRA 313
TRI
RCRA
Code
CAA 112(r)
RMP TQ
DDT 50-29-3 1 pound U061

(EPA List of Lists, 2024)

CISA Chemical Facility Anti-Terrorism Standards (CFATS)

No regulatory information available.

OSHA Process Safety Management (PSM) Standard List

No regulatory information available.

This section provides a listing of alternate names for this chemical, including trade names and synonyms.
  • AAVERO-EXTRA
  • AGRITAN
  • ALPHA,ALPHA-BIS(P-CHLOROPHENYL)-BETA,BETA,BETA-TRICHLORETHANE
  • ANOFEX
  • ARKOTINE
  • AZOTOX
  • AZOTOX M 33
  • BENZOCHLORYL
  • 1,1-BIS(4-CHLOROPHENYL)-2,2,2-TRICHLOROETHANE
  • 2,2-BIS(P-CHLOROPHENYL)-1,1,1-TRICHLOROETHANE
  • 1,1-BIS(P-CHLOROPHENYL)-2,2,2-TRICHLOROETHANE
  • BOSAN SUPRA
  • BOVIDERMOL
  • CHLOROPHENOTHANE
  • CHLOROPHENOTOXUM
  • CHLORPHENOTHAN
  • CHLORPHENOTOXUM
  • CITOX
  • CLOFENOTAN
  • CLOFENOTANE
  • DDT
  • DDT AND METABOLITES
  • 4,4'-DDT
  • DEDELO
  • DEOVAL
  • DETOX
  • DETOXAN
  • DIBOVAN
  • DIBOVIN
  • DICHLORODIPHENYLTRICHLOROETHANE
  • DICHLORODIPHENYLTRICHLOROETHANE (DDT)
  • 4,4'-DICHLORODIPHENYLTRICHLOROETHANE
  • DICOPHANE
  • DIDIGAM
  • DIDIMAC
  • DIPHENYLTRICHLOROETHANE
  • DODAT
  • DYKOL
  • ENT 1,506
  • ENT-1506
  • ESTONATE
  • ETHANE, 1,1,1-TRICHLORO-2,2-BIS(4-CHLOROPHENYL)-
  • ETHANE, 1,1,1-TRICHLORO-2,2-BIS(P-CHLOROPHENYL)-
  • GENITOX
  • GESAFID
  • GESAPON
  • GESAREX
  • GESAROL
  • GUESAPON
  • GUESAROL
  • GYRON
  • HAVERO-EXTRA
  • HILDIT
  • IVORAN
  • IXODEX
  • KOPSOL
  • MICRO DDT 75
  • MUTOXAN
  • MUTOXIN
  • NCI-C00464
  • NEOCID
  • NEOCIDOL
  • NEOCIDOL (SOLID)
  • OMS 16
  • P,P'-DDT
  • P,P'-DICHLORODIPHENYLTRICHLOROETHANE
  • P,P'-DICHLORODIPHENYLTRICHLOROMETHYLMETHANE
  • PARACHLOROCIDUM
  • PEB1
  • PENTACHLORIN
  • PENTECH
  • PENTICIDUM
  • PPZEIDAN
  • R50
  • RUKSEAM
  • SANTOBANE
  • TAFIDEX
  • TECH DDT
  • 2,2,2-TRICHLORO-1,1-BIS(4-CHLOROPHENYL)ETHANE
  • 1,1,1-TRICHLORO-2,2-BIS(P-CHLOROPHENYL) ETHANE
  • 1,1,1-TRICHLORO-2,2-BIS(P-CHLOROPHENYL)ETHANE
  • 1,1,1-TRICHLORO-2,2-DI(4-CHLOROPHENYL)ETHANE
  • 1,1,1-TRICHLORO-2,2-DI(P-CHLOROPHENYL)ETHANE
  • TRICHLOROBIS(4'-CHLOROPHENYL)ETHANE
  • TRICHLOROBIS(4-CHLOROPHENYL)ETHANE
  • 1,1'-(2,2,2-TRICHLOROETHYLIDENE)BIS(4-CHLOROBENZENE)
  • ZEIDANE
  • ZERDANE

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