vx.

Names

[ CAS No. ]:
50782-69-9

[ Name ]:
vx.

[Synonym ]:
VX Vapar
O-ETHYL-S-2-DIISOPROPYLAMINOETHYLMETHYLPHOSPHONOTHIOLATE
AGENTVX
ETHYLS-2-DIISOPROPYLAMINOETHYLMETHYLPHOSPHONOTHIOLATE
ETHYLS-2-DIISOPROPYLAMINOETHYLMETHYLPHOSPHOROTHIOLATE
V-agent

Chemical & Physical Properties

[ Boiling Point ]:
298ºC

[ Melting Point ]:
Below -51ºC

[ Molecular Formula ]:
C11H26NO2PS

[ Molecular Weight ]:
267.36800

[ Exact Mass ]:
267.14200

[ PSA ]:
64.65000

[ LogP ]:
3.69780

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
TB1090000
CHEMICAL NAME :
Phosphonothioic acid, methyl-, S-(2-(diisopropylamino)ethyl) O-ethyl ester
CAS REGISTRY NUMBER :
50782-69-9
LAST UPDATED :
199801
DATA ITEMS CITED :
16
MOLECULAR FORMULA :
C11-H26-N-O2-P-S
MOLECULAR WEIGHT :
267.41
WISWESSER LINE NOTATION :
2OPO&1&S2NY1&1&Y1&1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Human - man
DOSE/DURATION :
4 ug/kg
TOXIC EFFECTS :
Gastrointestinal - hypermotility, diarrhea Gastrointestinal - nausea or vomiting
REFERENCE :
TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 27,241,1974
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Human
DOSE/DURATION :
86 ug/kg
TOXIC EFFECTS :
Peripheral Nerve and Sensation - spastic paralysis with or without sensory change Lungs, Thorax, or Respiration - bronchiolar constriction Gastrointestinal - other changes
REFERENCE :
WHOTAC World Health Organization, Technical Report Series. (WHO, 1211 Geneva, 27, Switzerland) No.1- 1950- Volume(issue)/page/year: -,24,1970
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Human
DOSE/DURATION :
30 ug/kg
TOXIC EFFECTS :
Behavioral - headache Gastrointestinal - nausea or vomiting Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - true cholinesterase
REFERENCE :
85IVAW "Possible Long-Term Health Effects of Short-Term Exposure to Chemical Agents," National Research Council, 3 vols., Washington, DC, National Academy Press, 1982-85 Volume(issue)/page/year: 1,E1,1982
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Human - man
DOSE/DURATION :
1500 ng/kg
TOXIC EFFECTS :
Behavioral - hallucinations, distorted perceptions Vascular - BP elevation not characterized in autonomic section Gastrointestinal - nausea or vomiting
REFERENCE :
TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 27,241,1974
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Intramuscular
SPECIES OBSERVED :
Human
DOSE/DURATION :
3200 ng/kg
TOXIC EFFECTS :
Sense Organs and Special Senses (Eye) - visual field changes Behavioral - sleep Gastrointestinal - nausea or vomiting
REFERENCE :
85IVAW "Possible Long-Term Health Effects of Short-Term Exposure to Chemical Agents," National Research Council, 3 vols., Washington, DC, National Academy Press, 1982-85 Volume(issue)/page/year: 1,E1,1982
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
12 ug/kg
TOXIC EFFECTS :
Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - true cholinesterase
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: 262,231,1983
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
50 ug/kg
TOXIC EFFECTS :
Peripheral Nerve and Sensation - spastic paralysis with or without sensory change Lungs, Thorax, or Respiration - bronchiolar constriction Gastrointestinal - other changes
REFERENCE :
WHOTAC World Health Organization, Technical Report Series. (WHO, 1211 Geneva, 27, Switzerland) No.1- 1950- Volume(issue)/page/year: -,39,1970
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
22 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 :
Mammal - cat
DOSE/DURATION :
5 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 :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
250 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: AD839-329
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
66 ug/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
ABMHAM Archives Belges de Medecine Sociale, Hygiene, Medecine du Trevail et Medecine Legale. (Quartier Esplanade no.6, 1010 Brussels, Belgium) V.4- 1946- Volume(issue)/page/year: (Suppl),226,1984
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
14 ug/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
ABMHAM Archives Belges de Medecine Sociale, Hygiene, Medecine du Trevail et Medecine Legale. (Quartier Esplanade no.6, 1010 Brussels, Belgium) V.4- 1946- Volume(issue)/page/year: (Suppl),226,1984
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Rodent - guinea pig
DOSE/DURATION :
8400 ng/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 :
Intramuscular
SPECIES OBSERVED :
Bird - chicken
DOSE/DURATION :
30 ug/kg
TOXIC EFFECTS :
Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - other esterases
REFERENCE :
JTEHD6 Journal of Toxicology and Environmental Health. (Hemisphere Pub., 1025 Vermont Ave., NW, Washington, DC 20005) V.1- 1975/76- Volume(issue)/page/year: 23,103,1988 ** REPRODUCTIVE DATA **
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Subcutaneous
DOSE :
75 ug/kg
SEX/DURATION :
female 6-20 day(s) after conception
TOXIC EFFECTS :
Reproductive - Fertility - post-implantation mortality (e.g. dead and/or resorbed implants per total number of implants) Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death, e.g., stunted fetus) Reproductive - Effects on Newborn - behavioral
REFERENCE :
TJADAB Teratology, The International Journal of Abnormal Development. (Alan R. Liss, Inc., 41 E. 11th St., New York, NY 10003) V.1- 1968- Volume(issue)/page/year: 36,25A,1987

Safety Information

[ RIDADR ]:
UN 2810

[ Packaging Group ]:
I

[ Hazard Class ]:
6.1(a)


Related Compounds

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  • 4-((2-(3-(4-chlorophenyl)-1,2,4-oxadiazol-5-yl)-1H-pyrrol-1-yl)methyl)benzonitrile
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  • 2-Methoxy-6-(pyrazol-1-yl)-benzonitrile
  • 1H-3-Benzazepin-7-ol, 8-chloro-2,3,4,5-tetrahydro-5-(3-iodophenyl)-3-methyl-, (S)-
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  • 2-(4-methoxyphenyl)-1-(5H-pyrrolo[3,4-d]pyrimidin-6(7H)-yl)ethanone
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