*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : TD1780000
CHEMICAL NAME           : Phosphorochloridothioic acid, O,O-diethyl ester
CAS REGISTRY NUMBER     : 2524-04-1
BEILSTEIN REFERENCE NO. : 0471434
REFERENCE               : 4-01-00-01352 (Beilstein Handbook Reference)
LAST UPDATED            : 199710
DATA ITEMS CITED        : 13
MOLECULAR FORMULA       : C4-H10-Cl-O2-P-S
MOLECULAR WEIGHT        : 188.62
WISWESSER LINE NOTATION : 2OPS&GO2
SYNONYMS/TRADE NAMES :
   * O,O-Diethylphosphorochloridothioate
   * Diethylchlorthiofosfat
   * Diethylchlorothiophosphate
   * Phosphonothioic acid, chloro-, O,O-diethyl ester
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 1340 mg/kg
TOXIC EFFECTS :
   Sense Organs and Special Senses (Eye) - lacrimation
   Gastrointestinal - changes in structure or function of salivary glands
   Blood - hemorrhage
REFERENCE :
   HYSAAV Hygiene and Sanitation (USSR).  English translation of GISAAA.
   (Springfield, VA)  1964-71. Discontinued.  Volume(issue)/page/year:
   33(10-12),334,1968
 
TYPE OF TEST            : LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 20 ppm/4H
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   85JCAE "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J.,
   Prague, Czechoslovakia, Avicenum, 1986  Volume(issue)/page/year: -,1172,1986
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 800 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   85GMAT "Toxicometric Parameters of Industrial Toxic Chemicals Under Single
   Exposure," Izmerov, N.F., et al., Moscow, Centre of International Projects,
   GKNT, 1982  Volume(issue)/page/year: -,51,1982
 
TYPE OF TEST            : LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 725 mg/m3/2H
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   85GMAT "Toxicometric Parameters of Industrial Toxic Chemicals Under Single
   Exposure," Izmerov, N.F., et al., Moscow, Centre of International Projects,
   GKNT, 1982  Volume(issue)/page/year: -,51,1982
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Unreported
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 750 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   GISAAA Gigiena i Sanitariya.  For English translation, see HYSAAV.  (V/O
   Mezhdunarodnaya Kniga, 113095 Moscow, USSR)  V.1-    1936-
   Volume(issue)/page/year: 56(5),6,1991
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rabbit
DOSE/DURATION           : 900 mg/kg
TOXIC EFFECTS :
   Sense Organs and Special Senses (Eye) - lacrimation
   Gastrointestinal - changes in structure or function of salivary glands
   Blood - hemorrhage
REFERENCE :
   HYSAAV Hygiene and Sanitation (USSR).  English translation of GISAAA.
   (Springfield, VA)  1964-71. Discontinued.  Volume(issue)/page/year:
   33(10-12),334,1968
 
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Administration onto the skin
SPECIES OBSERVED        : Rodent - rabbit
DOSE/DURATION           : 250 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   34ZIAG "Toxicology of Drugs and Chemicals," Deichmann, W.B., New York,
   Academic Press, Inc., 1969  Volume(issue)/page/year: -,393,1969
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - guinea pig
DOSE/DURATION           : 810 mg/kg
TOXIC EFFECTS :
   Sense Organs and Special Senses (Eye) - lacrimation
   Gastrointestinal - changes in structure or function of salivary glands
   Blood - hemorrhage
REFERENCE :
   HYSAAV Hygiene and Sanitation (USSR).  English translation of GISAAA.
   (Springfield, VA)  1964-71. Discontinued.  Volume(issue)/page/year:
   33(10-12),334,1968
 
                 ** OTHER MULTIPLE DOSE TOXICITY DATA **
 
TYPE OF TEST            : TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 1 mg/m3/24H/17W-C
TOXIC EFFECTS :
   Brain and Coverings - recordings from specific areas of CNS
   Blood - changes in serum composition (e.g. TP, bilirubin, cholesterol)
   Biochemical - Enzyme inhibition, induction, or change in blood or tissue
   levels - true cholinesterase
REFERENCE :
   GISAAA Gigiena i Sanitariya.  For English translation, see HYSAAV.  (V/O
   Mezhdunarodnaya Kniga, 113095 Moscow, USSR)  V.1-    1936-
   Volume(issue)/page/year: 56(5),6,1991

                    *** OCCUPATIONAL EXPOSURE LIMITS ***
 
   OEL-RUSSIA:STEL 1 mg/m3 JAN 1993

         *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA ***

NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA :
   NOES - National Occupational Exposure Survey (1983)
     NOES Hazard Code - X4068
       No. of Facilities: 30 (estimated)
       No. of Industries: 2
       No. of Occupations: 4
       No. of Employees: 1088 (estimated)
       No. of Female Employees: 187 (estimated)

                          *** STATUS IN U.S. ***
 
   EPA TSCA Section 8(b) CHEMICAL INVENTORY
   
   EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JUNE 1998

 
                            *** END OF RECORD ***