*** CHEMICAL IDENTIFICATION ***
RTECS NUMBER : TB4550000
CHEMICAL NAME : Phosphoramidocyanidic acid, dimethyl-, ethyl ester
CAS REGISTRY NUMBER : 77-81-6
BEILSTEIN REFERENCE NO. : 1769395
REFERENCE : 4-04-00-00275 (Beilstein Handbook Reference)
LAST UPDATED : 199706
DATA ITEMS CITED : 37
MOLECULAR FORMULA : C5-H11-N2-O2-P
MOLECULAR WEIGHT : 162.15
WISWESSER LINE NOTATION : NCPO&O2&N1&1
COMPOUND DESCRIPTOR : Drug
Human
SYNONYMS/TRADE NAMES :
* Dimethylamidoethoxyphosphoryl cyanide
* Dimethylaminocyanphosphorsaeureaethylester
* Dimethylphosphoramidocyanidic acid, ethyl ester
* EA 1205
* Ethyl dimethylamidocyanophosphate
* Ethyl dimethylphosphoramidocyanidate
* Ethyl N,N-dimethylphosphoramidocyanidate
* Ethylester-dimethylamid kyseliny kyanfosfonove
* GA (chemical warfare agent)
* Gelan I
* Le-100
* T-2104
* TL 1578
* Taboon A
* Tabun
* Trilon 83
*** HEALTH HAZARD DATA ***
** ACUTE TOXICITY DATA **
TYPE OF TEST : LCLo - Lowest published lethal concentration
ROUTE OF EXPOSURE : Inhalation
SPECIES OBSERVED : Human
DOSE/DURATION : 150 mg/m3
TOXIC EFFECTS :
Sense Organs and Special Senses (Eye) - miosis (pupillary constriction)
Sense Organs and Special Senses (Eye) - effect, not otherwise specified
REFERENCE :
SCJUAD Science Journal. (London, UK) V.1-7, 1965-71. For publisher
information, see NWSCAL. Volume(issue)/page/year: 3(4),33,1967
TYPE OF TEST : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE : Administration onto the skin
SPECIES OBSERVED : Human
DOSE/DURATION : 23 mg/kg
TOXIC EFFECTS :
Sense Organs and Special Senses (Eye) - miosis (pupillary constriction)
Sense Organs and Special Senses (Eye) - effect, not otherwise specified
REFERENCE :
SCJUAD Science Journal. (London, UK) V.1-7, 1965-71. For publisher
information, see NWSCAL. Volume(issue)/page/year: 3(4),33,1967
TYPE OF TEST : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE : Intravenous
SPECIES OBSERVED : Human
DOSE/DURATION : 14 ug/kg
TOXIC EFFECTS :
Sense Organs and Special Senses (Eye) - miosis (pupillary constriction)
Sense Organs and Special Senses (Eye) - effect, not otherwise specified
REFERENCE :
SCJUAD Science Journal. (London, UK) V.1-7, 1965-71. For publisher
information, see NWSCAL. Volume(issue)/page/year: 3(4),33,1967
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 3700 ug/kg
TOXIC EFFECTS :
Behavioral - coma
Lungs, Thorax, or Respiration - respiratory stimulation
Gastrointestinal - changes in structure or function of salivary glands
REFERENCE :
NTIS** National Technical Information Service. (Springfield, VA 22161)
Formerly U.S. Clearinghouse for Scientific & Technical Information.
Volume(issue)/page/year: PB158-508
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Administration onto the skin
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 18 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
NTIS** National Technical Information Service. (Springfield, VA 22161)
Formerly U.S. Clearinghouse for Scientific & Technical Information.
Volume(issue)/page/year: PB158-508
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Intraperitoneal
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 490 ug/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
PHTOEH Pharmacology and Toxicology (Copenhagen). (Munksgaard International
Pub., POB 2148, DK-1016 Copenhagen K, Denmark) V.60- 1987-
Volume(issue)/page/year: 65,181,1989
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Subcutaneous
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 162 ug/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
PHTOEH Pharmacology and Toxicology (Copenhagen). (Munksgaard International
Pub., POB 2148, DK-1016 Copenhagen K, Denmark) V.60- 1987-
Volume(issue)/page/year: 65,181,1989
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Intravenous
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 66 ug/kg
TOXIC EFFECTS :
Behavioral - coma
Lungs, Thorax, or Respiration - respiratory stimulation
Gastrointestinal - changes in structure or function of salivary glands
REFERENCE :
NTIS** National Technical Information Service. (Springfield, VA 22161)
Formerly U.S. Clearinghouse for Scientific & Technical Information.
Volume(issue)/page/year: PB158-508
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Intramuscular
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 800 ug/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
JCINAO Journal of Clinical Investigation. (Rockefeller Univ. Press, 1230
York Ave., New York, NY 10021) V.1- 1924- Volume(issue)/page/year:
37,350,1958
TYPE OF TEST : LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE : Inhalation
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 15 mg/m3/30M
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
DEGEA3 Deutsche Gesundheitswesen. (VEB Verlag Volk und Gesundheit, Neue
Gruenstr. 18, Berlin DDR-1020, Ger. Dem. Rep.) V.1- 1946-
Volume(issue)/page/year: 15,2179,1960
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Administration onto the skin
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 1 mg/kg
TOXIC EFFECTS :
Behavioral - coma
Lungs, Thorax, or Respiration - respiratory stimulation
Gastrointestinal - changes in structure or function of salivary glands
REFERENCE :
NTIS** National Technical Information Service. (Springfield, VA 22161)
Formerly U.S. Clearinghouse for Scientific & Technical Information.
Volume(issue)/page/year: PB158-508
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Intraperitoneal
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 604 ug/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
11FYAN "Fluorine Chemistry, Volume III. Biological Effects of Organic
Fluorides," Simons, J.H., ed., New York, Academic Press, Inc., 1963
Volume(issue)/page/year: 3,69,1963
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Subcutaneous
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 250 ug/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
APJUA8 Acta Pharmaceutica Jugoslavica. (FDH, Masarykova 2, 41000 Zagreb,
Yugoslavia) V.1-41, 1951-1991. Volume(issue)/page/year: 30,151,1980
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Intravenous
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 150 ug/kg
TOXIC EFFECTS :
Behavioral - coma
Lungs, Thorax, or Respiration - respiratory stimulation
Gastrointestinal - changes in structure or function of salivary glands
REFERENCE :
NTIS** National Technical Information Service. (Springfield, VA 22161)
Formerly U.S. Clearinghouse for Scientific & Technical Information.
Volume(issue)/page/year: PB158-508
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Intramuscular
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 440 ug/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
AIPTAK Archives Internationales de Pharmacodynamie et de Therapie. (Heymans
Institute of Pharmacology, De Pintelaan 185, B-9000 Ghent, Belgium) V.4-
1898- Volume(issue)/page/year: 204,110,1973
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Mammal - dog
DOSE/DURATION : 200 ug/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
DEGEA3 Deutsche Gesundheitswesen. (VEB Verlag Volk und Gesundheit, Neue
Gruenstr. 18, Berlin DDR-1020, Ger. Dem. Rep.) V.1- 1946-
Volume(issue)/page/year: 15,2179,1960
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Administration onto the skin
SPECIES OBSERVED : Mammal - dog
DOSE/DURATION : 30 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
NTIS** National Technical Information Service. (Springfield, VA 22161)
Formerly U.S. Clearinghouse for Scientific & Technical Information.
Volume(issue)/page/year: PB158-508
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Subcutaneous
SPECIES OBSERVED : Mammal - dog
DOSE/DURATION : 284 ug/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
FAATDF Fundamental and Applied Toxicology. (Academic Press, Inc., 1 E.
First St., Duluth, MN 55802) V.1- 1981- Volume(issue)/page/year:
4,S106,1984
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Intravenous
SPECIES OBSERVED : Mammal - dog
DOSE/DURATION : 84 ug/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
JPETAB Journal of Pharmacology and Experimental Therapeutics. (Williams &
Wilkins Co., 428 E. Preston St., Baltimore, MD 21202) V.1- 1909/10-
Volume(issue)/page/year: 132,50,1961
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Administration onto the skin
SPECIES OBSERVED : Primate - monkey
DOSE/DURATION : 9300 ug/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
NTIS** National Technical Information Service. (Springfield, VA 22161)
Formerly U.S. Clearinghouse for Scientific & Technical Information.
Volume(issue)/page/year: PB158-508
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Subcutaneous
SPECIES OBSERVED : Primate - monkey
DOSE/DURATION : 70 ug/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
ARTODN Archives of Toxicology. (Springer-Verlag, Heidelberger Pl. 3, D-1000
Berlin 33, Fed. Rep. Ger.) V.32- 1974- Volume(issue)/page/year:
63,144,1989
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Intramuscular
SPECIES OBSERVED : Primate - monkey
DOSE/DURATION : 34 ug/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
ARTODN Archives of Toxicology. (Springer-Verlag, Heidelberger Pl. 3, D-1000
Berlin 33, Fed. Rep. Ger.) V.32- 1974- Volume(issue)/page/year:
63,144,1989
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Intravenous
SPECIES OBSERVED : Mammal - cat
DOSE/DURATION : 47 ug/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
NRTXDN Neurotoxicology. (Intox Press, Inc., POB 34075, Little Rock, AR
72203) V.1- 1979- Volume(issue)/page/year: 7,225,1986
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rabbit
DOSE/DURATION : 16300 ug/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
NTIS** National Technical Information Service. (Springfield, VA 22161)
Formerly U.S. Clearinghouse for Scientific & Technical Information.
Volume(issue)/page/year: PB158-508
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Administration onto the skin
SPECIES OBSERVED : Rodent - rabbit
DOSE/DURATION : 2500 ug/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
NTIS** National Technical Information Service. (Springfield, VA 22161)
Formerly U.S. Clearinghouse for Scientific & Technical Information.
Volume(issue)/page/year: PB158-508
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Subcutaneous
SPECIES OBSERVED : Rodent - rabbit
DOSE/DURATION : 375 ug/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
CJPPA3 Canadian Journal of Physiology and Pharmacology. (National Research
Council of Canada, Publication Sales and Distribution, Ottawa ON K1A OR6,
Canada) V.42- 1964- Volume(issue)/page/year: 46,109,1968
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Intravenous
SPECIES OBSERVED : Rodent - rabbit
DOSE/DURATION : 63 ug/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
NTIS** National Technical Information Service. (Springfield, VA 22161)
Formerly U.S. Clearinghouse for Scientific & Technical Information.
Volume(issue)/page/year: PB158-508
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Administration onto the skin
SPECIES OBSERVED : Rodent - guinea pig
DOSE/DURATION : 35 mg/kg
TOXIC EFFECTS :
Behavioral - coma
Lungs, Thorax, or Respiration - respiratory stimulation
Gastrointestinal - changes in structure or function of salivary glands
REFERENCE :
NTIS** National Technical Information Service. (Springfield, VA 22161)
Formerly U.S. Clearinghouse for Scientific & Technical Information.
Volume(issue)/page/year: PB158-508
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Subcutaneous
SPECIES OBSERVED : Rodent - guinea pig
DOSE/DURATION : 120 ug/kg
TOXIC EFFECTS :
Behavioral - convulsions or effect on seizure threshold
Behavioral - muscle weakness
REFERENCE :
TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E.
First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year:
40,109,1977
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Subcutaneous
SPECIES OBSERVED : Rodent - hamster
DOSE/DURATION : 245 ug/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
CJPPA3 Canadian Journal of Physiology and Pharmacology. (National Research
Council of Canada, Publication Sales and Distribution, Ottawa ON K1A OR6,
Canada) V.42- 1964- Volume(issue)/page/year: 44,745,1966
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Subcutaneous
SPECIES OBSERVED : Bird - chicken
DOSE/DURATION : 98911 ug/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
ARTODN Archives of Toxicology. (Springer-Verlag, Heidelberger Pl. 3, D-1000
Berlin 33, Fed. Rep. Ger.) V.32- 1974- Volume(issue)/page/year:
52,71,1983
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Intramuscular
SPECIES OBSERVED : Bird - chicken
DOSE/DURATION : 118 ug/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
TXCYAC Toxicology. (Elsevier Scientific Pub. Ireland, Ltd., POB 85,
Limerick, Ireland) V.1- 1973- Volume(issue)/page/year: 72,117,1992
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Administration onto the skin
SPECIES OBSERVED : Mammal - domestic
DOSE/DURATION : 1100 ug/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
NTIS** National Technical Information Service. (Springfield, VA 22161)
Formerly U.S. Clearinghouse for Scientific & Technical Information.
Volume(issue)/page/year: PB158-508
** OTHER MULTIPLE DOSE TOXICITY DATA **
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Subcutaneous
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 8500 ug/kg/85D-I
TOXIC EFFECTS :
Brain and Coverings - other degenerative changes
Biochemical - Enzyme inhibition, induction, or change in blood or tissue
levels - true cholinesterase
Related to Chronic Data - death
REFERENCE :
APTOA6 Acta Pharmacologica et Toxicologica. (Copenhagen, Denmark) V.1-59,
1945-86. For publisher information, see PHTOEH Volume(issue)/page/year:
57,234,1985
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Intramuscular
SPECIES OBSERVED : Bird - chicken
DOSE/DURATION : 4950 ug/kg/90D-I
TOXIC EFFECTS :
Nutritional and Gross Metabolic - weight loss or decreased weight gain
Biochemical - Enzyme inhibition, induction, or change in blood or tissue
levels - true cholinesterase
Biochemical - Enzyme inhibition, induction, or change in blood or tissue
levels - other transferases
REFERENCE :
TXCYAC Toxicology. (Elsevier Scientific Pub. Ireland, Ltd., POB 85,
Limerick, Ireland) V.1- 1973- Volume(issue)/page/year: 72,117,1992
*** REVIEWS ***
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:
46,1,1973
*** STATUS IN U.S. ***
EPA TSCA Section 8(b) CHEMICAL INVENTORY
*** END OF RECORD ***