*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : PD0456000
CHEMICAL NAME           : Methionine, DL-
CAS REGISTRY NUMBER     : 59-51-8
LAST UPDATED            : 199706
DATA ITEMS CITED        : 14
MOLECULAR FORMULA       : C5-H11-N-O2-S
MOLECULAR WEIGHT        : 149.23
WISWESSER LINE NOTATION : QV1YZ1S1
COMPOUND DESCRIPTOR     : Mutagen
                          Reproductive Effector
SYNONYMS/TRADE NAMES :
   * Acimetion
   * Banthionine
   * Cynaron
   * Dyprin
   * Lobamine
   * Meonine
   * Methilanin
   * (+-)-Methionine
   * DL-Methionine
   * Metione
   * Mertionin
   * Neston
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD - Lethal dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : >5 gm/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   YACHDS Yakuri to Chiryo.  Pharmacology and Therapeutics.  (Raifu Saiensu
   Shuppan K.K., 2-5-13, Yaesu, Chuo-ku, Tokyo 104, Japan)  V.1-    1972-
   Volume(issue)/page/year: 5,2041,1977
 
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 2 gm/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   YACHDS Yakuri to Chiryo.  Pharmacology and Therapeutics.  (Raifu Saiensu
   Shuppan K.K., 2-5-13, Yaesu, Chuo-ku, Tokyo 104, Japan)  V.1-    1972-
   Volume(issue)/page/year: 5,2041,1977
 
TYPE OF TEST            : LD - Lethal dose
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : >400 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   YACHDS Yakuri to Chiryo.  Pharmacology and Therapeutics.  (Raifu Saiensu
   Shuppan K.K., 2-5-13, Yaesu, Chuo-ku, Tokyo 104, Japan)  V.1-    1972-
   Volume(issue)/page/year: 5,2041,1977
 
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 4 gm/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   YACHDS Yakuri to Chiryo.  Pharmacology and Therapeutics.  (Raifu Saiensu
   Shuppan K.K., 2-5-13, Yaesu, Chuo-ku, Tokyo 104, Japan)  V.1-    1972-
   Volume(issue)/page/year: 5,2041,1977
 
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 1500 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   YACHDS Yakuri to Chiryo.  Pharmacology and Therapeutics.  (Raifu Saiensu
   Shuppan K.K., 2-5-13, Yaesu, Chuo-ku, Tokyo 104, Japan)  V.1-    1972-
   Volume(issue)/page/year: 5,2041,1977
 
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 300 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   YACHDS Yakuri to Chiryo.  Pharmacology and Therapeutics.  (Raifu Saiensu
   Shuppan K.K., 2-5-13, Yaesu, Chuo-ku, Tokyo 104, Japan)  V.1-    1972-
   Volume(issue)/page/year: 5,2041,1977
 
                 ** OTHER MULTIPLE DOSE TOXICITY DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 36 gm/kg/30D-C
TOXIC EFFECTS :
   Blood - pigmented or nucleated red blood cells
   Blood - changes in leukocyte (WBC) count
REFERENCE :
   JONUAI Journal of Nutrition.  (Subscription Dept., 9650 Rockville Pike,
   Bethesda, MD 20014) V.1-    1928-  Volume(issue)/page/year: 79,101,1963
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 21 gm/kg/13D-C
TOXIC EFFECTS :
   Liver - changes in liver weight
   Kidney, Ureter, Bladder - changes in bladder weight
REFERENCE :
   JONUAI Journal of Nutrition.  (Subscription Dept., 9650 Rockville Pike,
   Bethesda, MD 20014) V.1-    1928-  Volume(issue)/page/year: 106,1714,1976
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 39 gm/kg/20D-C
TOXIC EFFECTS :
   Liver - changes in liver weight
   Kidney, Ureter, Bladder - changes in bladder weight
   Endocrine - changes in spleen weight
REFERENCE :
   JONUAI Journal of Nutrition.  (Subscription Dept., 9650 Rockville Pike,
   Bethesda, MD 20014) V.1-    1928-  Volume(issue)/page/year: 106,1714,1976
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Bird - turkey
DOSE/DURATION           : 33600 mg/kg/4W-C
TOXIC EFFECTS :
   Nutritional and Gross Metabolic - weight loss or decreased weight gain
REFERENCE :
   POSCAL Poultry Science.  (Poultry Science Assoc., Inc., 309 W. Clark St.,
   Champaign, IL 61820) V.1-    1921-  Volume(issue)/page/year: 57,699,1978
 
                          ** REPRODUCTIVE DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE                    : 40 gm/kg
SEX/DURATION            : female 1-20 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Fertility - other measures of fertility
   Reproductive - Effects on Embryo or Fetus - extra-embryonic structures
   (e.g., placenta, umbilical cord)
   Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death,
   e.g., stunted fetus)
REFERENCE :
   JRPFA4 Journal of Reproduction and Fertility.  (Biochemical Soc. Book Depot,
   POB 32, Commerce Way, Colchester, Essex CO2 8HP, UK)  V.1-    1960-
   Volume(issue)/page/year: 33,109,1973

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

NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA :
   NOES - National Occupational Exposure Survey (1983)
     NOES Hazard Code - X3271
       No. of Facilities: 1272 (estimated)
       No. of Industries: 5
       No. of Occupations: 27
       No. of Employees: 16781 (estimated)
       No. of Female Employees: 4397 (estimated)

                          *** STATUS IN U.S. ***
 
   EPA GENETOX PROGRAM 1988, Inconclusive: E coli polA without S9
   
   EPA TSCA Section 8(b) CHEMICAL INVENTORY

 
                            *** END OF RECORD ***