*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : TC5250000
CHEMICAL NAME           : Phosphoric acid, dimethyl p-nitrophenyl ester
CAS REGISTRY NUMBER     : 950-35-6
BEILSTEIN REFERENCE NO. : 1884904
REFERENCE               : 4-06-00-01327 (Beilstein Handbook Reference)
LAST UPDATED            : 199612
DATA ITEMS CITED        : 12
MOLECULAR FORMULA       : C8-H10-N-O6-P
MOLECULAR WEIGHT        : 247.16
WISWESSER LINE NOTATION : WNR DOPO&O1&O1
COMPOUND DESCRIPTOR     : Agricultural Chemical
                          Drug
SYNONYMS/TRADE NAMES :
   * BAY 11678
   * Desmethylnitrophos
   * O,O-Dimetyl-O-p-nitrofenylfosfat
   * Dimethyl-p-nitrofenylester kyseliny fosforecne
   * Dimethyl-p-nitrophenyl phosphate
   * Dimethyl-4-nitrophenyl phosphate
   * Dimethyl paraoxon
   * Methyl-E-600
   * Methyl paraoxon
   * Paraoxon-methyl
   * Phosphoric acid, dimethyl-4-nitrophenyl 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           : 3270 ug/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   28ZPAK "Sbornik Vysledku Toxixologickeho Vysetreni Latek A Pripravku,"
   Marhold, J.V., Institut Pro Vychovu Vedoucicn Pracovniku Chemickeho Prumyclu
   Praha, Czechoslovakia, 1972  Volume(issue)/page/year: -,206,1972
 
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 500 ug/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   BJPCAL British Journal of Pharmacology and Chemotherapy.  (London, UK)
   V.1-33, 1946-68.  For publisher information, see BJPCBM.
   Volume(issue)/page/year: 8,334,1953
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 457 ug/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   BJIMAG British Journal of Industrial Medicine.  (British Medical Journal,
   Box 560B, Kennebunkport, ME 04046)  V.1-    1944-  Volume(issue)/page/year:
   22,317,1965
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intramuscular
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 1690 ug/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   BJIMAG British Journal of Industrial Medicine.  (British Medical Journal,
   Box 560B, Kennebunkport, ME 04046)  V.1-    1944-  Volume(issue)/page/year:
   22,317,1965
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 2100 ug/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   PCBPBS Pesticide Biochemistry and Physiology.  (Academic Press, Inc., 1 E.
   First St., Duluth, MN 55802)  V.1-    1971-  Volume(issue)/page/year:
   8,302,1978
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 500 ug/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   PCBPBS Pesticide Biochemistry and Physiology.  (Academic Press, Inc., 1 E.
   First St., Duluth, MN 55802)  V.1-    1971-  Volume(issue)/page/year:
   8,302,1978
 
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 1400 ug/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   AEPPAE Naunyn-Schmiedeberg's Archiv fuer Experimentelle Pathologie und
   Pharmakologie.  (Berlin, Ger.) V.110-253, 1925-66.  For publisher
   information, see NSAPCC.  Volume(issue)/page/year: 211,264,1950
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 550 ug/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   THERAP Therapie.  (Doin, Editeurs, 8, Place de l'Odeon, F-75006 Paris,
   France)  V.1-    1946-  Volume(issue)/page/year: 20,743,1965
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intracerebral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 5 ug/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   PCBPBS Pesticide Biochemistry and Physiology.  (Academic Press, Inc., 1 E.
   First St., Duluth, MN 55802)  V.1-    1971-  Volume(issue)/page/year:
   8,302,1978
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Unreported
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 21 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   BWHOA6 Bulletin of the World Health Organization.  (WHO, Pub. Center USA, 49
   Sheridan Ave., Albany, NY 12210)  Volume(issue)/page/year: 44,31,1971
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - guinea pig
DOSE/DURATION           : 83 mg/kg
TOXIC EFFECTS :
   Biochemical - Enzyme inhibition, induction, or change in blood or tissue
   levels - reactivates cholinesterase
   Lungs, Thorax, or Respiration - dyspnea
   Behavioral - convulsions or effect on seizure threshold
REFERENCE :
   ABCHA6 Agricultural and Biological Chemistry.  (Maruzen Co. Ltd., POB 5050,
   Tokyo International, Tokyo 100-31, Japan)  V.25-    1961-
   Volume(issue)/page/year: 27,669,1963
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Rodent - guinea pig
DOSE/DURATION           : 2200 ug/kg
TOXIC EFFECTS :
   Biochemical - Enzyme inhibition, induction, or change in blood or tissue
   levels - reactivates cholinesterase
   Lungs, Thorax, or Respiration - dyspnea
   Behavioral - convulsions or effect on seizure threshold
REFERENCE :
   ABCHA6 Agricultural and Biological Chemistry.  (Maruzen Co. Ltd., POB 5050,
   Tokyo International, Tokyo 100-31, Japan)  V.25-    1961-
   Volume(issue)/page/year: 27,669,1963
 
                            *** END OF RECORD ***