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ALDRIN structure
Chemical Name:
Molecular Formula:
Formula Weight:
MOL File:

ALDRIN Properties

Melting point:
Boiling point:
450.9°C (rough estimate)
1.6 g/cm3
vapor pressure 
(x 10-5 mmHg):6.35 and 12 at 20 and 25 °C, respectively (gas saturation-GC, Grayson and Fosbraey, 1982)24.9 at 25 °C (estimated-GC, Bidleman, 1984)
refractive index 
1.5840 (estimate)
Flash point:
-12 °C
storage temp. 
Henry's Law Constant
181 at 5 °C, 371 at 15 °C, 427 at 20 °C, 493 at 25 °C, 714 at 35 °C:in 3% NaCl solution: 287 at 5 °C, 566 at 15 °C, 901 at 25 °C, 1,130 at 35 °C (gas stripping-GC, Cetin et al., 2006)
Exposure limits
NIOSH REL: 0.25 mg/m3, IDLH 25 mg/m3; OSHA PEL: TWA 0.25 mg/m3; ACGIH TLV: TWA 0.25 mg/m3.
Stable. Non-flammable. Incompatible with active metals, acid oxidizing agents, acid catalysts.
CAS DataBase Reference
309-00-2(CAS DataBase Reference)
  • Risk and Safety Statements
  • Hazard and Precautionary Statements (GHS)
  • NFPA
Hazard Codes  T,N,Xn,F,Xi
Risk Statements  24/25-40-48/24/25-50/53-67-65-38-11-36-20/21/22-36/37/38-39/23/24/25-23/24/25-52/53-27-25
Safety Statements  22-36/37-45-60-61-62-36-26-16-33-7-28-29-9
RIDADR  2761
WGK Germany  3
RTECS  IO2100000
HazardClass  6.1(a)
PackingGroup  II
Toxicity LD50 in male, female rats (mg/kg): 39, 60 orally (Gaines)
Signal word: Danger
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H225 Highly Flammable liquid and vapour Flammable liquids Category 2 Danger P210,P233, P240, P241, P242, P243,P280, P303+ P361+P353, P370+P378,P403+P235, P501
H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning P264, P270, P301+P312, P330, P501
H304 May be fatal if swallowed and enters airways Aspiration hazard Category 1 Danger
H312 Harmful in contact with skin Acute toxicity,dermal Category 4 Warning P280,P302+P352, P312, P322, P363,P501
H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P
H332 Harmful if inhaled Acute toxicity,inhalation Category 4 Warning P261, P271, P304+P340, P312
H336 May cause drowsiness or dizziness Specific target organ toxicity,single exposure; Narcotic effects Category 3 Warning P261, P271, P304+P340, P312,P403+P233, P405, P501
H351 Suspected of causing cancer Carcinogenicity Category 2 Warning P201, P202, P281, P308+P313, P405,P501
H370 Causes damage to organs Specific target organ toxicity, single exposure Category 1 Danger P260, P264, P270, P307+P311, P321,P405, P501
H372 Causes damage to organs through prolonged or repeated exposure Specific target organ toxicity, repeated exposure Category 1 Danger P260, P264, P270, P314, P501
H410 Very toxic to aquatic life with long lasting effects Hazardous to the aquatic environment, long-term hazard Category 1 Warning P273, P391, P501
H412 Harmful to aquatic life with long lasting effects Hazardous to the aquatic environment, long-term hazard Category 3 P273, P501
Precautionary statements:
P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking.
P260 Do not breathe dust/fume/gas/mist/vapours/spray.
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
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.
P310 Immediately call a POISON CENTER or doctor/physician.
P311 Call a POISON CENTER or doctor/physician.
P331 Do NOT induce vomiting.
P301+P310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician.
P302+P350 IF ON SKIN: Gently wash with plenty of soap and water.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P501 Dispose of contents/container to..…

NFPA 704

Diamond Hazard Value Description
3 0
Health   3 Short exposure could cause serious temporary or moderate residual injury (e.g. liquid hydrogen, sulfuric acid, calcium hypochlorite, hexafluorosilicic acid)
Flammability   1 Materials that require considerable preheating, under all ambient temperature conditions, before ignition and combustion can occur. Includes some finely divided suspended solids that do not require heating before ignition can occur. Flash point at or above 93.3 °C (200 °F). (e.g. mineral oil, ammonia)
Instability   0 Normally stable, even under fire exposure conditions, and is not reactive with water (e.g. helium,N2)

(NFPA, 2010)

ALDRIN price More Price(7)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 36664 Aldrin solution 100μg/mL in acetonitrile, PESTANAL 309-00-2 2ml $49.7 2018-11-20 Buy
Sigma-Aldrich 08573 Aldrin certified reference material, TraceCERT 309-00-2 50mg $166 2018-11-22 Buy
Sigma-Aldrich 40220-U Aldrin solution certified reference material, 5000μg/mL in methanol 309-00-2 u $44.6 2018-11-20 Buy
Sigma-Aldrich 48962 Aldrin solution 200 μg/mL in isooctane, analytical standard 309-00-2 48962 $48.9 2018-11-23 Buy
Sigma-Aldrich 36666 Aldrin PESTANAL 309-00-2 25mg $70 2018-11-20 Buy

ALDRIN Chemical Properties,Uses,Production

Chemical Properties

off-white solid

Physical properties

Colorless to white, odorless crystals when pure; technical grades are tan to dark brown with a mild, characteristic chemical odor. The odor threshold concentration in water is 17 μg/kg (Sigworth, 1964).


Formerly as insecticide and fumigant; manufacture and use has been discontinued in the U.S




ChEBI: An organochlorine compound resulting from the Diels-Alder reaction of hexachlorocyclopentadiene with norbornadiene. It was widely used as an insecticide before being banned in the 1970s as a persistent organic pollutant.

General Description

Aldrin, cast solid is a brown to white solid. If the large pieces are broken up or powdered, ALDRIN is toxic by inhalation and skin absorption. ALDRIN is insoluble in water and noncombustible. ALDRIN is used as an insecticide.

Air & Water Reactions

Insoluble in water.

Reactivity Profile

ALDRIN may be sensitive to prolonged exposure to light. ALDRIN is stable to heat and in the presence of inorganic and organic bases. ALDRIN is stable to hydrated metal chlorides and mild acids. ALDRIN is thermally stable up to 392° F and ALDRIN is stable between pH 4 and 8. ALDRIN reacts with concentrated acids and phenols in the presence of oxidizing agents. ALDRIN can be corrosive to metals. ALDRIN can react with acid catalysts, acid oxidizing agents and active metals.


Toxic by skin absorption. Central nervous system impairment, and liver and kidney damage. Questionable carcinogen.

Health Hazard

Poisoning by aldrin usually involves convulsions due to its effects on the central nervous system. Reproductive effects and liver effects have also been reported. It is classified as an extremely toxic chemical. Probable oral lethal dose for humans is between 7 drops and one oz. for a 150 lb. adult human. Conflicting reports of carcinogenicity of ALDRIN remain an area of controversy. Similar chemically and toxicologically to dieldrin.

Health Hazard

Highly toxic to humans and animals by allroutes of exposure; absorbed through skin aswell; toxic symptoms — headache, dizziness,nausea, vomiting, tremor, ataxia, convulsions, central nervous system depression, andrespiratory failure; also causes renal damage; oral LD50 value 30–100 mg/kg in mosttest animals metabolizes to dieldrin; oraladministration in rats and mice increased theincidence of liver and lung cancer, carcinogenicity: animal and human evidence inadequate; exposure limit 0.25 mg/m3 (skin)(ACGIH); RCRA Waste Number P004.

Fire Hazard

When heated to decomposition, ALDRIN emits toxic fumes of chlorine containing compounds. Commercial solutions may contain flammable or combustible liquids. The dry powder will not burn. Container may explode in heat of fire. Avoid concentrated mineral acids, acid catalysts, acid oxidizing agents, phenols, or active metals.

Safety Profile

Suspected carcinogen with experimental carcinogenic, neoplastigenic, and tumorigenic data. Poison by ingestion, skin contact, intravenous, and intraperitoneal routes. Human systemic effects by ingestion: excitement, tremors, and nausea or vomiting. An experimental teratogen. Other experimental reproductive effects. Continued acute exposure causes liver damage. Human mutation data reported. See also CHLORINATED HYDROCARBONS. When heated to decomposition it emits toxic fumes of Cl-.

Environmental Fate

Biological. Dieldrin is the major metabolite formed from the microbial degradation of aldrin via epoxidation (Lichtenstein and Schulz, 1959; Korte et al., 1962; Kearney and Kaufman, 1976). Microorganisms responsible for this reaction were identified as Aspergillus niger, Aspergillus flavus, Penicillium chrysogenum and Penicillium notatum (Korte et al., 1962). Dieldrin may further degrade to photodieldrin (Kearney and Kaufman, 1976). A pure culture of the marine alga namely Dunaliella sp. degraded aldrin to dieldrin andthe diol at yields of 23.2 and 5.2%, respectively (Patil et al., 1972). In four successive 7- day incubation periods, aldrin (5 and 10 mg/L) was recalcitrant to degradation in a settled domestic wastewater inoculum (Tabak et al., 1981). In a mixed microbial population under anaerobic conditions, nearly all aldrin (87%) degraded to two unidentified products in 4 days (Maule et al., 1987)
Soil. Patil and Matsumura (1970) reported 13 of 20 soil microorganisms were able to degrade aldrin to dieldrin under laboratory conditions. Harris and Lichtenstein (1961) studied the volatilization of aldrin (4 ppm) in Plainfield sand and quartz
Aldrin was found to be very persistent in an agricultural soil. Fifteen years after application of aldrin (20 lb/acre), 5.8% of the applied dosage was recovered as dieldrin and 0.2% was recovered as photodieldrin (Lichtenstein et al., 1971).
Plant. Photoaldrin and photodieldrin formed when aldrin was codeposited on bean leaves and exposed to sunlight (Ivie and Casida, 1971). Dieldrin and 1,2,3,4,7,8-hexachloro-1,4,4a,6,7,7a-hexahydro-1,4-endo-methyleneindene-5,7-dicarboxylic acid were identified in aldrin-treated soil on which potatoes were grown (Klein et al., 1973)
Surface Water. Under oceanic conditions, aldrin may undergo dihydroxylation at the chlorine free double bond to produce aldrin diol (Verschueren, 1983). When raw water obtained from the Little Miami River in Ohio containing aldrin (10 μg/L) was p

Solubility in organics

50 g/L in alcohol at 25 °C (quoted, Meites, 1963); very soluble (>600 mg/L) in acetone, benzene, xylenes (Worthing and Hance, 1991), and many chlorinated hydrocarbons such as chloroform, carbon tetrachloride, etc.

Solubility in water

50 g/L in alcohol at 25 °C (quoted, Meites, 1963); very soluble (>600 mg/L) in acetone, benzene, xylenes (Worthing and Hance, 1991), and many chlorinated hydrocarbons such as chloroform, carbon tetrachloride, etc.

ALDRIN Preparation Products And Raw materials

Raw materials

Preparation Products

ALDRIN Spectrum

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