*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : NS5775000
CHEMICAL NAME           : Isonipecotic acid, 1-methyl-4-phenyl-, ethyl ester
CAS REGISTRY NUMBER     : 57-42-1
LAST UPDATED            : 199703
DATA ITEMS CITED        : 22
MOLECULAR FORMULA       : C15-H21-N-O2
MOLECULAR WEIGHT        : 247.37
WISWESSER LINE NOTATION : T6NTJ A1 DVO2 DR
COMPOUND DESCRIPTOR     : Drug
                          Reproductive Effector
                          Human
SYNONYMS/TRADE NAMES :
   * Demerol
   * Dolantin
   * Ethyl 1-methyl-4-phenylisonipecotate
   * Ethyl 1-methyl-4-phenylpiperidine-4-carboxylate
   * Isonipecaine
   * Meperidine
   * N-Methyl-4-phenyl-4-carbethoxypiperidine
   * 1-Methyl-4-phenylisonipecotic acid, ethyl ester
   * 1-Methyl-4-phenyl-piperidin-4-carbon-saeure-aethylester
   * Methyl phenylpiperidine carbonic acid ethyl ester
   * 1-Methyl-4-phenylpiperidine-4-carboxylic acid ethyl ester
   * Nemerol
   * Pethidine
   * Pethidineter
   * Petydyna
   * Pipersal
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Unreported
SPECIES OBSERVED        : Human - man
DOSE/DURATION           : 15 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   85DCAI "Poisoning; Toxicology, Symptoms, Treatments," 2nd ed., Arena, J.M.,
   Springfield, IL, C.C. Thomas, 1970  Volume(issue)/page/year: 2,73,1970
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Unreported
SPECIES OBSERVED        : Human - man
DOSE/DURATION           : 57 mg/kg
TOXIC EFFECTS :
   Behavioral - sleep
   Behavioral - muscle weakness
REFERENCE :
   NEJMAG New England Journal of Medicine.  (Massachusetts Medical Soc., 10
   Shattuck St., Boston, MA 02115)  V.198-    1928-  Volume(issue)/page/year:
   312,509,1985
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 162 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
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: 180,155,1969
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 87 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   JAPMA8 Journal of the American Pharmaceutical Association, Scientific
   Edition.  (Washington, DC) V.29-49, 1940-60.  For publisher information, see
   JPMSAE.  Volume(issue)/page/year: 47,323,1958
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 113 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   ARZNAD Arzneimittel-Forschung. Drug Research.  (Editio Cantor Verlag,
   Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.)  V.1-    1951-
   Volume(issue)/page/year: 24,600,1974
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 22500 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: 7,196,1952
 
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Intraspinal
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 4 mg/kg
TOXIC EFFECTS :
   Behavioral - analgesia
REFERENCE :
   APTOA6 Acta Pharmacologica et Toxicologica.  (Copenhagen, Denmark)  V.1-59,
   1945-86.  For publisher information, see PHTOEH  Volume(issue)/page/year:
   56,50,1985
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 200 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
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: 135,376,1962
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 135 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   STRAAA Strahlentherapie.  (Urban & Schwarzenberg, Postfach 202440, D-8000
   Munich 2, Fed. Rep. Ger.) V.1-    1912-  Volume(issue)/page/year:
   127,245,1965
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 112 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   JAPMA8 Journal of the American Pharmaceutical Association, Scientific
   Edition.  (Washington, DC) V.29-49, 1940-60.  For publisher information, see
   JPMSAE.  Volume(issue)/page/year: 47,323,1958
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 34700 ug/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   ARZNAD Arzneimittel-Forschung. Drug Research.  (Editio Cantor Verlag,
   Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.)  V.1-    1951-
   Volume(issue)/page/year: 24,600,1974
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Parenteral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 178 mg/kg
TOXIC EFFECTS :
   Behavioral - convulsions or effect on seizure threshold
REFERENCE :
   JMCMAR Journal of Medicinal Chemistry.  (American Chemical Soc.,
   Distribution Office Dept. 223, POB POB 57136, West End Stn., Washington, DC
   20037)  V.6-    1963-  Volume(issue)/page/year: 11,889,1968
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Rodent - rabbit
DOSE/DURATION           : 40 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   JNDRAK Journal of New Drugs.  (Albany, NY)  V.1-6, 1961-66.  For publisher
   information, see JCPCBR.  Volume(issue)/page/year: 2,43,1962
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Mammal - species unspecified
DOSE/DURATION           : 130 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   USXXAM United States Patent Document.  (U.S. Patent Office, Box 9,
   Washington, DC 20231)  Volume(issue)/page/year: #4205173
 
                 ** OTHER MULTIPLE DOSE TOXICITY DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 660 mg/kg/11D-I
TOXIC EFFECTS :
   Related to Chronic Data - death
REFERENCE :
   BJPCAL British Journal of Pharmacology and Chemotherapy.  (London, UK)
   V.1-33, 1946-68.  For publisher information, see BJPCBM.
   Volume(issue)/page/year: 11,27,1956
 
                          ** REPRODUCTIVE DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Intramuscular
SPECIES OBSERVED        : Human - woman
DOSE                    : 2 mg/kg
SEX/DURATION            : female 39 week(s) after conception
TOXIC EFFECTS :
   Reproductive - Effects on Newborn - other neonatal measures or effects
REFERENCE :
   AJOGAH American Journal of Obstetrics and Gynecology.  (C.V. Mosby Co.,
   11830 Westline Industrial Dr., St. Louis, MO 63146)  V.1-    1920-
   Volume(issue)/page/year: 64,1368,1952
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - rat
DOSE                    : 1540 ug/kg
SEX/DURATION            : lactating female 1-7 day(s) post-birth
TOXIC EFFECTS :
   Reproductive - Effects on Newborn - behavioral
   Reproductive - Effects on Newborn - physical
REFERENCE :
   NRTXDN Neurotoxicology.  (Intox Press, Inc., POB 34075, Little Rock, AR
   72203)  V.1-    1979-  Volume(issue)/page/year: 7,349,1986
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - rat
DOSE                    : 3080 ug/kg
SEX/DURATION            : lactating female 1-7 day(s) post-birth
TOXIC EFFECTS :
   Reproductive - Effects on Newborn - viability index (e.g., # alive at day 4
   per # born alive)
   Reproductive - Effects on Newborn - growth statistics (e.g.%, reduced weight
   gain)
REFERENCE :
   NRTXDN Neurotoxicology.  (Intox Press, Inc., POB 34075, Little Rock, AR
   72203)  V.1-    1979-  Volume(issue)/page/year: 7,349,1986

                              *** REVIEWS ***
 
   TOXICOLOGY REVIEW
   CLCHAU Clinical Chemistry (Winston-Salem, NC).  (American Assoc. for
   Clinical Chemistry, 1725 K St., NW, Washington, DC 20006)  V.1-    1955-
   Volume(issue)/page/year: 19,361,1973

   TOXICOLOGY REVIEW
   FNSCA6 Forensic Science.  (Lausanne, Switzerland)  V.1-11, 1972-78. For pub
   lisher information, see FSINDR.  Volume(issue)/page/year: 2,67,1973

   TOXICOLOGY REVIEW
   IJMDAI Israel Journal of Medical Sciences.  (POB 1435, Jerusalem 91013,
   Israel)  V.1-    1965-  Volume(issue)/page/year: 12,1141,1976

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

NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA :
   NOES - National Occupational Exposure Survey (1983)
     NOES Hazard Code - X4739
       No. of Facilities: 7 (estimated)
       No. of Industries: 1
       No. of Occupations: 1
       No. of Employees: 202 (estimated)
       No. of Female Employees: 70 (estimated)

 
                            *** END OF RECORD ***