*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : UY5789900
CHEMICAL NAME           : 2-Pyrrolidinone, methyl-
CAS REGISTRY NUMBER     : 51013-18-4
LAST UPDATED            : 199706
DATA ITEMS CITED        : 9
MOLECULAR FORMULA       : C5-H9-N-O
MOLECULAR WEIGHT        : 99.15
SYNONYMS/TRADE NAMES :
   * Methyl-2-pyrrolidinone
   * Methylpyrrolidone
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 3 gm/kg
TOXIC EFFECTS :
   Behavioral - somnolence (general depressed activity)
   Liver - fatty liver degeneration
   Blood - changes in spleen
REFERENCE :
   TPKVAL Toksikologiya Novykh Promyshlennykh Khimicheskikh Veshchestv.
   Toxicology of New Industrial Chemical Substances.  For English translation,
   see TNICS*.  (Izdatel'stvo Meditsina, Moscow, USSR)  No.1-    1961-
   Volume(issue)/page/year: 7,27,1965
 
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 3 gm/kg
TOXIC EFFECTS :
   Behavioral - somnolence (general depressed activity)
   Liver - other changes
   Blood - changes in spleen
REFERENCE :
   TPKVAL Toksikologiya Novykh Promyshlennykh Khimicheskikh Veshchestv.
   Toxicology of New Industrial Chemical Substances.  For English translation,
   see TNICS*.  (Izdatel'stvo Meditsina, Moscow, USSR)  No.1-    1961-
   Volume(issue)/page/year: 7,27,1965
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 2310 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   YKIGAK Yokohama Igaku.  Yokohama Medicine.  (Yokohama-Shiritsu Daigaku
   Igakkai, 2-33 Urafune-cho, Minami-ku, Yokohama 232, Japan)  V.1-    1948-
   Volume(issue)/page/year: 31,327,1980
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rabbit
DOSE/DURATION           : 3500 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: 35(6),84,1970
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - guinea pig
DOSE/DURATION           : 4400 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: 35(6),84,1970
 
                 ** OTHER MULTIPLE DOSE TOXICITY DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 71890 mg/kg/7W-I
TOXIC EFFECTS :
   Liver - other changes
   Blood - changes in serum composition (e.g. TP, bilirubin, cholesterol)
   Blood - other changes
REFERENCE :
   GISAAA Gigiena i Sanitariya.  For English translation, see HYSAAV.  (V/O
   Mezhdunarodnaya Kniga, 113095 Moscow, USSR)  V.1-    1936-
   Volume(issue)/page/year: 35(6),84,1970
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 455 mg/kg/26W-I
TOXIC EFFECTS :
   Liver - other changes
   Blood - changes in other cell count (unspecified)
REFERENCE :
   GISAAA Gigiena i Sanitariya.  For English translation, see HYSAAV.  (V/O
   Mezhdunarodnaya Kniga, 113095 Moscow, USSR)  V.1-    1936-
   Volume(issue)/page/year: 35(6),84,1970
 
TYPE OF TEST            : TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 150 mg/m3/4H/22W-I
TOXIC EFFECTS :
   Brain and Coverings - recordings from specific areas of CNS
REFERENCE :
   TPKVAL Toksikologiya Novykh Promyshlennykh Khimicheskikh Veshchestv.
   Toxicology of New Industrial Chemical Substances.  For English translation,
   see TNICS*.  (Izdatel'stvo Meditsina, Moscow, USSR)  No.1-    1961-
   Volume(issue)/page/year: 7,27,1965
 
TYPE OF TEST            : TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 200 mg/m3/2H/30D-I
TOXIC EFFECTS :
   Brain and Coverings - recordings from specific areas of CNS
   Nutritional and Gross Metabolic - weight loss or decreased weight gain
REFERENCE :
   TPKVAL Toksikologiya Novykh Promyshlennykh Khimicheskikh Veshchestv.
   Toxicology of New Industrial Chemical Substances.  For English translation,
   see TNICS*.  (Izdatel'stvo Meditsina, Moscow, USSR)  No.1-    1961-
   Volume(issue)/page/year: 7,27,1965
 
                            *** END OF RECORD ***