ethion

Names

[ CAS No. ]:
563-12-2

[ Name ]:
ethion

[Synonym ]:
Etilon
MFCD00036232
Phosphorodithioic Acid S,S'-Methylene O,O,O',O'-Tetraethyl Ester
dithiophosphoric acid S,S'-methanediyl ester tetra-O-ethyl ester
Itopaz
Bis(dithiophosphate) de O,O,O',O'-tétraéthyle et de S,S'-méthylène
Kwit
Ethodan
O,O,O’,O’-tetraethyl S,S’-methylene bis(phosphorodithioate)
ethion
O,O,O',O'-Tetraethyl S,S'-Methylenediphosphorodithioate
bis-diethoxythiophosphorylsulfanyl-methane
Ethanox
O,O,O',O'-Tetraethyl S,S'-methylene bis(phosphorodithioate)
O,O,O,O-tetraethyl-S,S-methylenebisdithiophosphate
S,S’-methylene bis(O,O-diethyl phosphorodithioate)
O,O,O',O'-Tetraethyl-S,S'-methylenbis(dithiophosphat)
ETHIOL
Phosphorodithioic acid, O,O,O',O'-tetraethyl S,S'-methylene ester
rp8167
O,O,O',O'-tetraethyl S,S'-methanediyl bis(phosphorodithioate)
EINECS 209-242-3
Bis[S-(diethoxyphosphinothioyl)mercapto]methane
Ethopaz
O,O,O',O'-tetraethyl S,S'-methylene bis(dithiophosphate)

Chemical & Physical Properties

[ Density]:
1.3±0.1 g/cm3

[ Boiling Point ]:
401.2±55.0 °C at 760 mmHg

[ Melting Point ]:
3ºC

[ Molecular Formula ]:
C₉H₂₂O₄P₂S₄

[ Molecular Weight ]:
384.476

[ Flash Point ]:
196.5±31.5 °C

[ Exact Mass ]:
383.987610

[ PSA ]:
171.32000

[ LogP ]:
5.07

[ Vapour Pressure ]:
0.0±0.9 mmHg at 25°C

[ Index of Refraction ]:
1.558

MSDS

Click to get detail MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :: TE4550000

CHEMICAL NAME :: Phosphorodithioic acid, S,S'-methylene O,O,O',O'-tetraethyl ester

CAS REGISTRY NUMBER :: 563-12-2

BEILSTEIN REFERENCE NO. :: 1804530

LAST UPDATED :: 199712

DATA ITEMS CITED :: 35

MOLECULAR FORMULA :: C9-H22-O4-P2-S4

MOLECULAR WEIGHT :: 384.49

WISWESSER LINE NOTATION :: 2OPS&O2&S1SPS&O2&O2

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Human - infant

DOSE/DURATION :: 15700 ug/kg

TOXIC EFFECTS :: Peripheral Nerve and Sensation - flaccid paralysis without anesthesia (usually neuromuscular blockage) Behavioral - changes in motor activity (specific assay) Nutritional and Gross Metabolic - body temperature increase

REFERENCE :: TXMDAX Texas Medicine. (Texas Medical Assoc., 1801 N. Lamar Blvd., Austin, TX 78701) V.60- 1964- Volume(issue)/page/year: 63,71,1967

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Human

DOSE/DURATION :: 100 ug/kg

TOXIC EFFECTS :: Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - true cholinesterase

REFERENCE :: TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 22,286,1972

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 13 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: PHJOAV Pharmaceutical Journal. (Pharmaceutical Soc. of Great Britain, 1 Lambeth High St., London, SE1 7JN, UK) V.131- 1933- Volume(issue)/page/year: 185,361,1960

TYPE OF TEST :: LC50 - Lethal concentration, 50 percent kill

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 864 mg/m3

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: FMCHA2 Farm Chemicals Handbook. (Meister Pub., 37841 Euclid Ave., Willoughy, OH 44094) Volume(issue)/page/year: -,C128,1991

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 62 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 14,515,1969

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 26 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: PSEBAA Proceedings of the Society for Experimental Biology and Medicine. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1903/04- Volume(issue)/page/year: 129,699,1968

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Unreported

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 55 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: 30ZDA9 "Chemistry of Pesticides," Melnikov, N.N., New York, Springer-Verlag New York, Inc., 1971 Volume(issue)/page/year: -,367,1971

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 40 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: 85DPAN "Wirksubstanzen der Pflanzenschutz und Schadlingsbekampfungsmittel," Perkow, W., Berlin, Verlag Paul Parey, 1971-1976 Volume(issue)/page/year: -,-,1971/1976

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 35 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: PSEBAA Proceedings of the Society for Experimental Biology and Medicine. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1903/04- Volume(issue)/page/year: 129,699,1968

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - guinea pig

DOSE/DURATION :: 40 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: 85DPAN "Wirksubstanzen der Pflanzenschutz und Schadlingsbekampfungsmittel," Perkow, W., Berlin, Verlag Paul Parey, 1971-1976 Volume(issue)/page/year: -,-,1971/1976

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - guinea pig

DOSE/DURATION :: 915 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: 85DPAN "Wirksubstanzen der Pflanzenschutz und Schadlingsbekampfungsmittel," Perkow, W., Berlin, Verlag Paul Parey, 1971-1976 Volume(issue)/page/year: -,-,1971/1976

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Bird - wild bird species

DOSE/DURATION :: 45 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 21,315,1972 ** OTHER MULTIPLE DOSE TOXICITY DATA **

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Mammal - dog

DOSE/DURATION :: 675 mg/kg/90D-C

TOXIC EFFECTS :: Blood - other changes Nutritional and Gross Metabolic - weight loss or decreased weight gain Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - true cholinesterase

REFERENCE :: TOXID9 Toxicologist. (Soc. of Toxicology, Inc., 475 Wolf Ledge Parkway, Akron, OH 44311) V.1- 1981- Volume(issue)/page/year: 8,173,1988

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Mammal - dog

DOSE/DURATION :: 182 mg/kg/1Y-C

REFERENCE :: TOXID9 Toxicologist. (Soc. of Toxicology, Inc., 475 Wolf Ledge Parkway, Akron, OH 44311) V.1- 1981- Volume(issue)/page/year: 8,173,1988 *** REVIEWS *** ACGIH TLV-TWA 0.4 mg/m3 (skin) DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year: TLV/BEI,1997 TOXICOLOGY REVIEW AQMOAC Air Quality Monographs. (Washington, DC) No.69-1 - No.75-25, 1969-75(?). Discontinued. Volume(issue)/page/year: #73-19,1973 TOXICOLOGY REVIEW DTTIAF Deutsche Tieraerztliche Wochenschrift. (Hanover, Fed. Rep. Ger.) V.1-77, 1893-1970. Volume(issue)/page/year: 80,485,1973 TOXICOLOGY REVIEW RREVAH Residue Reviews. (Springer-Verlag New York, Inc., Service Center, 44 Hartz Way, Secaucus, NJ 07094) V.1- 1962- Volume(issue)/page/year: 63,1,1976 *** U.S. STANDARDS AND REGULATIONS *** EPA FIFRA 1988 PESTICIDE SUBJECT TO REGISTRATION OR RE-REGISTRATION FEREAC Federal Register. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) V.1- 1936- Volume(issue)/page/year: 54,7740,1989 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-AUSTRALIA:TWA 0.4 mg/m3;Skin JAN 1993 OEL-BELGIUM:TWA 0.4 mg/m3;Skin JAN 1993 OEL-FRANCE:TWA 0.4 mg/m3;Skin JAN 1993 OEL-THE NETHERLANDS:TWA 0.4 mg/m3;Skin JAN 1993 OEL-SWITZERLAND:TWA 0.4 mg/m3 JAN 1993 OEL IN BULGARIA, COLOMBIA, JORDAN, KOREA check ACGIH TLV OEL IN NEW ZEALAND, SINGAPORE, VIETNAM check ACGIH TLV *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH RECOMMENDED EXPOSURE LEVEL (REL) : NIOSH REL TO ETHION-air:10H TWA 0.4 mg/m3 (Sk) REFERENCE : NIOSH* National Institute for Occupational Safety and Health, U.S. Dept. of Health, Education, and Welfare, Reports and Memoranda. Volume(issue)/page/year: DHHS #92-100,1992 NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 84542 No. of Facilities: 12 (estimated) No. of Industries: 1 No. of Occupations: 1 No. of Employees: 72 (estimated)

Safety Information

[ Symbol ]:

GHS06, GHS09

[ Signal Word ]:
Danger

[ Hazard Statements ]:
H301-H312-H410

[ Precautionary Statements ]:
P273-P280-P301 + P310 + P330-P302 + P352 + P312-P391-P501

[ Personal Protective Equipment ]:
Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter

[ Hazard Codes ]:
T;N

[ Risk Phrases ]:
R21;R25;R50/53

[ Safety Phrases ]:
25-36/37-45-60-61-23

[ RIDADR ]:
3018

[ WGK Germany ]:
1

[ RTECS ]:
TE4550000

[ Packaging Group ]:
II

[ Hazard Class ]:
6.1(a)

Precursor & DownStream

Precursor

DownStream

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