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MSDS  : Monothiopyrophosphoric acid, tetraethyl ester
CAS  : 645-78-3
SYNONYMS  : * Ethyl thiopyrophosphate ((EtO)2OPOPS(OEt)2) * Fosarbin * Monothiono TEPP * MTST * Phosarbin * Pirofos * Pyrophos * Tetraethyl monothionopyrophosphate * Tetraethyl monothiopyrophosphate * Tetraethyl thioonopyrophosphate * Thiodiphosphoric acid, tetraethyl ester
*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER : QC3550000
CHEMICAL NAME : Monothiopyrophosphoric acid, tetraethyl ester
CAS REGISTRY NUMBER : 645-78-3
BEILSTEIN REFERENCE NO. : 1714018
REFERENCE : 4-01-00-01350 (Beilstein Handbook Reference)
LAST UPDATED : 199707
DATA ITEMS CITED : 3
MOLECULAR FORMULA : C8-H20-O6-P2-S
MOLECULAR WEIGHT : 306.28
WISWESSER LINE NOTATION : 2OPS&O2&OPO&O2&O2
SYNONYMS/TRADE NAMES :
* Ethyl thiopyrophosphate ((EtO)2OPOPS(OEt)2)
* Fosarbin
* Monothiono TEPP
* MTST
* Phosarbin
* Pirofos
* Pyrophos
* Tetraethyl monothionopyrophosphate
* Tetraethyl monothiopyrophosphate
* Tetraethyl thioonopyrophosphate
* Thiodiphosphoric acid, tetraethyl ester

*** HEALTH HAZARD DATA ***

** ACUTE TOXICITY DATA **

TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Unreported
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 500 ug/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
85JDAH "Organophosphorus Pesticides: Organic and Biological Chemistry," Eto,
M., Cleveland, OH, CRC Press, Inc., 1974 Volume(issue)/page/year:
-,265,1974

TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Subcutaneous
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 450 ug/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
FATOAO Farmakologiya i Toksikologiya (Moscow). For English translation, see
PHTXA6 and RPTOAN. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.2-
1939- Volume(issue)/page/year: 25,725,1962

TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Unreported
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 700 ug/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
PAREAQ Pharmacological Reviews. (Williams & Wilkins, 428 E. Preston St.,
Baltimore, MD 21202) V.1- 1949- Volume(issue)/page/year: 11,636,1959

*** END OF RECORD ***
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