*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : TH1100000
CHEMICAL NAME           : Phosphorous acid, tri-p-cresyl ester
CAS REGISTRY NUMBER     : 620-42-8
BEILSTEIN REFERENCE NO. : 0620298
REFERENCE               : 4-06-00-02128 (Beilstein Handbook Reference)
LAST UPDATED            : 199709
DATA ITEMS CITED        : 3
MOLECULAR FORMULA       : C21-H21-O3-P
MOLECULAR WEIGHT        : 352.39
WISWESSER LINE NOTATION : QR D1OPO1R DQ&O1R DQ
SYNONYMS/TRADE NAMES :
   * Phosphorous acid, tris(4-methylphenyl) ester
   * p-Tolyl phosphite ((C7H7O)3P)
   * Tri-p-cresyl phosphite
   * Tris(p-methylphenyl) phosphite
   * Tris(p-tolyl) phosphite
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 3 gm/kg
TOXIC EFFECTS :
   Peripheral Nerve and Sensation - flaccid paralysis without anesthesia
   (usually neuromuscular blockage)
   Behavioral - tremor
   Behavioral - muscle weakness
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: 49,78,1933
 
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Mammal - cat
DOSE/DURATION           : 200 mg/kg
TOXIC EFFECTS :
   Behavioral - ataxia
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: 49,78,1933

                          *** STATUS IN U.S. ***
 
   EPA TSCA Section 8(b) CHEMICAL INVENTORY

 
                            *** END OF RECORD ***