DIELDRIN
Synonym(s):1,2,3,4,10,10-Hexachloro-1,4,4a,5,6,7,8,8a-octahydro-6,7-epoxy-1,4:5,8-dimethanonaphthalene
- CAS NO.:60-57-1
- Empirical Formula: C12H8Cl6O
- Molecular Weight: 380.91
- MDL number: MFCD00135591
- EINECS: 200-484-5
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-03-14 15:18:27
What is DIELDRIN?
Description
Dieldrin is a decades-old chlorocarbon insecticide that has long been banned from use in most of the world. It was introduced in 1948 by the now-defunct J. Hyman & Co. Dieldrin is an oxidized version of the similar compound aldrin, from which it is produced. Aldrin is not an insecticide, but it converts to dieldrin in vivo. The compounds are made via the Diels–Alder reaction, from which they get their names.
Dieldrin was widely used from the 1950s to the 1970s as an alternative to DDT. It was highly effective against insect pests, but had these major drawbacks:
Although dieldrin hasn’t been used for decades in most of the world, it may still have its uses. Residents of Madagascar have frequently suffered from outbreaks of plague; the most recent came in 2014. Plague is caused by the bacterium?Yersinia pestis, which in most cases is transmitted from rats to humans via the Oriental rat flea?Xenopsylla cheopsis
The primary method of controlling plague is to kill?X. cheopsis. Madagascar fleas, however, have developed resistance to many insecticides. Recently, Adéla?de Miarinjara and Sébastien Boyer at the Pasteur Institute of Madagascar (Tananarive) studied eight flea populations on the island and found, surprisingly, that?dieldrin completely controlled all of them.
Despite this success, and considering dieldrin’s persistence and toxicity, Miarinjara and Boyer recommend exploring other ways to eradicate plague.
Description
Dieldrin is a colorless to light tan solid with amild chemical odor. The odor threshold in water is0.04 mg/L. Molecular weight=380.90; Boiling point =(decomposes); Freezing/Melting point=176.1℃; Vaporpressure=8 3 10 2 7 mmHg at 25℃. Hazard Identification(based on NFPA-704 M Rating System): Health 3,Flammability 0, Reactivity 0. Practically insoluble in water;solubility=0.02%.
Chemical properties
white or light brown powder or crystals
Chemical properties
Dieldrin is a colorless to light tan solid with a mild chemical odor. The Odor Threshold in water is 0.04 mg/L
Physical properties
White crystals to pale tan flakes with an odorless to mild chemical odor. Odor threshold concentration is 41 μg/L (quoted, Keith and Walters, 1992).
The Uses of DIELDRIN
Dieldrin was first used by cotton growers in the 1950s; it has
subsequently been used on other crops for the control of
vectorborne diseases and for mothproofing woolen goods.
Dieldrin, as well as other cyclodiene insecticides, is uniquely
suited for the control of termites. In 1974, the U.S. registration
of products containing aldrin and dieldrin was canceled.
As a result of worldwide concerns regarding the potential
human health and environmental impacts of dieldrin, its
manufacture ceased by the early 1990s.
Occupational exposures have occurred among all groups
that have been involved in the manufacture or handling of the
compound, and in the spraying of dieldrin suspensions and
emulsions. Overexposure, resulting in acute intoxication,
occurred primarily in the early days of dieldrin, aldrin,
and endrin manufacture and in spraying operations with
these compounds in Kenya, India, Iran, and other malariainfested
countries.
The Uses of DIELDRIN
Stereoisomer of Endrin. Used as an insecticide. Potential occupational carcinogen.
The Uses of DIELDRIN
Formerly as insecticide.
Definition
ChEBI: Dieldrin is an organochlorine compound resulting from the epoxidation of the double bond of aldrin. It is the active metabolite of the proinsecticde aldrin. It has a role as a xenobiotic and a carcinogenic agent. It is an organochlorine insecticide, an organochlorine compound and an epoxide. It is functionally related to an aldrin.
General Description
DIELDRIN is a light-tan flaked solid. DIELDRIN is insoluble in water. DIELDRIN is toxic by inhalation, skin absorption and ingestion. DIELDRIN can penetrate intact skin. DIELDRIN is used as an insecticide.
Air & Water Reactions
Insoluble in water.
Reactivity Profile
DIELDRIN is sensitive to mineral acids, acid catalysts, acid oxidizing agents and active metals. DIELDRIN reacts with phenols. DIELDRIN is also slightly corrosive to metals. DIELDRIN may react vigorously with strong oxidizers such as chlorine and permanganates and strong acids such as sulfuric or nitric.
Health Hazard
Inhalation, ingestion, or skin contact causes irritability, convulsions and/or coma, nausea, vomiting, headache, fainting, tremors. Contact with eyes causes irritation.
Health Hazard
Highly toxic; toxic symptoms similar to theseof aldrin; affects central nervous system,liver, kidneys, and skin; causes headache,dizziness, nausea, vomiting, tremor, ataxia,clonic and tonic convulsions, and respiratoryfailure; oral LD50 value (mice): 38 mg/kg;causes liver cancers in animals; inadequateevidence in humans; RCRA Waste Number P037.
Exposure to many organochlorine pesticides has been linked to an increasedrisk of Parkinson’s disease. In this context,dieldrin has been the most implicated ofall. Dieldrin has been found, during postmortem, in the brain tissues of humanswith Parkinson’s disease, indicating that itpromotes dopaminergic degeneration. Various neurotoxic studies following exposure todieldrin have been conducted in both cellcultures and animal models. Such studiesindicated that dieldrin-induced neurotoxicity via mechanisms associated with dopaminergic degeneration including oxidative stress,mitochondrial dysfunction, protein aggregation, and apoptosis. Such effects cancause neuronal cell death and neurodegenerative diseases including Parkinson’s disease.Kanthasamy et al. (2005) have revieweddieldrin-induced neurotoxicity..
Fire Hazard
Special Hazards of Combustion Products: Toxic and irritating hydrogen chloride fumes may form in fire.
Agricultural Uses
Insecticide: Manufacture in the United States prohibited since 1974. In 1987, EPA banned all uses. Banned for use in EU (also for export) All uses of dieldrin (and Aldrin) were canceled in 1974, except for subsurface ground insertion for termite control, dipping of non-food roots and tops, and moth-proofing by manufacturing processes in a closed system (EPA 1974). In 1987, these final three uses were voluntarily canceled by the sole manufacturer. Currently there are more than 25 global suppliers
Trade name
ALVIT®; BELCO®[C]; COMPOUND 497®; D-31®; DIELDREX®; DIELDRITE®; ILLOXOL®; KILLGERM DETHLAC INSECTICIDAL LAQUER®; OCTALOX®; OXRALOX®; PANORAM®; PANORAM D-31®; PRENTOX®[C]; QUINTOX®; ROYAL BRAND®[C]; SD 3417®
Safety Profile
A human poison by ingestion and possibly other routes. Poison experimentally by inhalation, ingestion, skin contact, intravenous, and intraperitoneal routes. Experimental teratogenic and reproductive data. Absorbed readily through the skin and by other routes. It is a central nervous system stimulant. Questionable carcinogen with experimental carcinogenic, neoplastigenic, and tumorigenic data. Human mutation data reported. An insecticide. Dieldrin is considerably more toxic than DDT by ingestion and skin contact. Dieldrin or its derivatives may accumulate in the body from chronic low dosages. When heated to decomposition it emits toxic fumes of Cl-. See also ALDRIN.
Potential Exposure
Aldrin belongs to the group of cyclodiene insecticides. They are a subgroup of the chlorinated cyclic hydrocarbon insecticides which include DDT, BHC, etc. They were manufactured in the United States by Shell Chemical Co. until the United States Environmental Protection Agency prohibited their manufacture in 1974 under the Federal Insecticide, Fungicide, and Rodenticide Act. The primary use of the chemicals in the past was for control of corn pests, although they were also used by the citrus industry. Dieldrin’s persistence in the environment is due to its extremely low volatility (i.e., a vapor pressure of 1.78 3 1027 mmHg @ 20°C), and low solubility in water (186 μg/L @ 25°C29°C). In addition, dieldrin is extremely apolar, resulting in a high affinity for fat which accounts for its retention in animal fats, plant waxes; andother such organic matter in the environment. The fat solubility of dieldrin results in the progressive accumulation in the food chain which may result in a concentration in an organism which would exceed the lethal limit for a consumer.
First aid
If this chemical gets into the eyes, remove anycontact lenses at once and irrigate immediately for at least15 min, occasionally lifting upper and lower lids. Seek medical attention immediately. If this chemical contacts theskin, remove contaminated clothing and wash immediatelywith soap and water. Seek medical attention immediately. Ifthis chemical has been inhaled, remove from exposure,begin rescue breathing (using universal precautions, including resuscitation mask) if breathing has stopped and CPR ifheart action has stopped. Transfer promptly to a medicalfacility. When this chemical has been swallowed, get medical attention. Give large quantities of water and inducevomiting. Do not make an unconscious person vomit.Medical observation is recommended for 12 h afteroverexposure.
Carcinogenicity
Accumulating evidence suggests that
dieldrin is “not a likely human carcinogen”
and that it acts as a species-specific hepatocarcinogen
in mice through nongenotoxic
mechanisms.
The 2003 ACGIH threshold limit valuetime-
weighted average (TLV-TWA) for dieldrin
is 0.25mg/m3 with a notation for skin
absorption.
Environmental Fate
Biological. Identified metabolites of dieldrin from solution cultures containing Pseudomonas sp. in soils include aldrin and dihydroxydihydroaldrin. Other unidentified byproducts included a ketone, an aldehyde and an acid (Matsumura et al., 1968; Kearney and Kaufman, 1976). A pure culture of the marine alga, namely Dunaliella sp., degraded dieldrin to photodieldrin and an unknown metabolite at yields of 8.5 and 3.2%, respectively.
Photodieldrin and the diol were also identified as metabolites in field-collected samples of marine water, sediments and associated biological materials (Patil et al., 1972). At least 10 different types of bacteria comprising a mixed anaerobic population
Chacko et al. (1966) reported that cultures of six actinomycetes (Norcardia sp., Streptomyces albus, Streptomyces antibioticus, Streptomyces auerofaciens, Streptomyces cinnamoneus, Streptomyces viridochromogenes) and 8 fungi had no effect on the degradati
The percentage of dieldrin remaining in a Congaree sandy loam soil after 7 years was 50% (Nash and Woolson, 1967). Soil. Dieldrin is very persistent in soil under both aerobic and anaerobic conditions (Castro and Yoshida, 1971; Sanborn and Yu, 1973). Reported half-lives in soil ranged from 175 days to 3 years (Howard et al., 1991).75 days to 3 years (Howard et al., 1991). Groundwater. According to the U.S. EPA (1986) dieldrin has a high potential to leach to groundwater.
Photolytic. Photolysis of an aqueous solution by sunlight for 3 months resulted in a 70% yield of photodieldrin (Henderson and Crosby, 1968). A solid ?lm of dieldrin exposed to sunlight for 2 months resulted in a 25% yield of photodieldrin (Benso
storage
Color Code—Blue: Health Hazard/Poison: Storein a secure poison location. Prior to working with dieldrinyou should be trained on its proper handling and storage.Dieldrin must be stored to avoid contact with oxidizers(such as perchlorates, peroxides, permanganates, chloratesand nitrates); strong acids (such as hydrochloric, sulfuric,and nitric); chemically active metals (such as potassium,sodium, magnesium, and zinc) since violent reactions occur.A regulated, marked area should be established where thischemical is handled, used, or stored in compliance withOSHA Standard 1910.1045.
Shipping
UN2761 Organochlorine pesticides, solid, toxic, Hazard Class: 6.1; Labels: 6.1-Poisonous materials.
Toxicity evaluation
Consistent with its intended use on insects in soil, dieldrin is
not very water soluble. However, dieldrin readily binds to
sediment, but rarely leaches into deeper soil layers and
groundwater. It takes decades to break down in the environment, and past agricultural uses of dieldrin have
resulted in persisting soil residues and uptake in a wide range of
crops.
The half-life of dieldrin in temperate soils is approximately
5 years, while it degrades faster (up to 90% in 1 month) from
tropical soils.
Dieldrin may be volatilized from sediment and redistributed
by air currents, contaminating areas far from their sources.
Nationally, levels of dieldrin have declined since agricultural
uses were discontinued.
Dieldrin readily bioaccumulates in terrestrial and aquatic
organisms. Biomagnification factors ranging from 2.2 (in
rainbow trout) to 16 (in herring gulls) have been reported for
dieldrin. Bioconcentration factors for dieldrin in various
aquatic organisms range from 400 to 68 000, indicating that
dieldrin shows moderate to significant bioaccumulation in
various aquatic species.
Incompatibilities
Incompatible with strong acids: concentrated mineral acids; acid catalysts; phenols, strong oxidizers, active metals; like sodium, potassium, magnesium, and zinc. Keep away from copper, iron, and their salts.
Waste Disposal
Incineration (816C, 0.5 second minimum for primary combustion; 1760C, 1.0 second for secondary combustion) with adequate scrubbing and ash disposal facilities. In accordance with 40CFR165, follow recommendations for the disposal of pesticides and pesticide containers. Must be disposed properly by following package label directions or by contacting your local or federal environmental control agency, or by contacting your regional EPA office. Consult with environmental regulatory agencies for guidance on acceptable disposal practices. Generators of waste containing this contaminant (≧100 kg/mo) must conform with EPA regulations governing storage, transportation, treatment, and waste disposal
Properties of DIELDRIN
Melting point: | 143-144 °C(lit.) |
Boiling point: | 496.11°C (rough estimate) |
Density | 1.75 g/cm3 |
vapor density | 13.2 (vs air) |
vapor pressure | 30.7 and 58.5 at 20 and 25 °C, respectively (gas saturation-GC, Grayson and Fosbraey, 1982) |
refractive index | 1.5550 (estimate) |
Flash point: | 2 °C |
storage temp. | APPROX 4°C
|
solubility | Soluble in ethanol and benzene (Weast, 1986) |
form | neat |
Water Solubility | 195ug/L(25 ºC) |
Merck | 3103 |
BRN | 91396 |
Henry's Law Constant | 27.6 at 5 °C, 63.2 at 15 °C, 82.9 at 20 °C, 97.7 at 25 °C, 217 at 35 °C:in 3% NaCl solution: 66.1
at 5 °C, 158 at 15 °C, 395 at 25 °C, 507 at 35 °C (gas stripping-GC, Cetin et al., 2006) |
Exposure limits | NIOSH REL: TWA 0.25 mg/m3, IDLH 50 mg/m3; OSHA PEL: TWA 0.25 mg/m3; ACGIH TLV: TWA 0.25 mg/m3. |
Stability: | Stable. Breakdown product of aldrin in the environment. Incompatible with acids, active metals and strong oxidizing agents. |
IARC | 2A (Vol. 5, Sup 7, 117) 2019 |
EPA Substance Registry System | Dieldrin (60-57-1) |
Safety information for DIELDRIN
Signal word | Danger |
Pictogram(s) |
Skull and Crossbones Acute Toxicity GHS06 Health Hazard GHS08 Environment GHS09 |
GHS Hazard Statements |
H351:Carcinogenicity H372:Specific target organ toxicity, repeated exposure H410:Hazardous to the aquatic environment, long-term hazard |
Precautionary Statement Codes |
P202:Do not handle until all safety precautions have been read and understood. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P273:Avoid release to the environment. P280:Wear protective gloves/protective clothing/eye protection/face protection. P301+P310:IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. |
Computed Descriptors for DIELDRIN
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