*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : FC8050000
CHEMICAL NAME           : Carbamic acid, methyl-, m-tolyl ester
CAS REGISTRY NUMBER     : 1129-41-5
BEILSTEIN REFERENCE NO. : 2045865
REFERENCE               : 4-06-00-02050 (Beilstein Handbook Reference)
LAST UPDATED            : 199701
DATA ITEMS CITED        : 15
MOLECULAR FORMULA       : C9-H11-N-O2
MOLECULAR WEIGHT        : 165.21
WISWESSER LINE NOTATION : 1MVOR C1
COMPOUND DESCRIPTOR     : Agricultural Chemical
                          Mutagen
                          Human
SYNONYMS/TRADE NAMES :
   * Carbamic acid, methyl-, 3-methylphenyl ester
   * Carbamic acid, methyl-, 3-tolyl ester
   * m-Cresyl methylcarbamate
   * Dicresyl N-methylcarbamate
   * DRC 3341
   * Kumiai
   * Metacrate
   * Metholcarb
   * Methylcarbamic acid m-tolyl ester
   * m-Methylphenyl methylcarbamate
   * 3-Methylphenyl N-methylcarbamate
   * Metolcarb
   * MTMC
   * S 1065
   * m-Tolylester kyseliny methylkarbaminove
   * m-Tolyl N-methylcarbamate
   * 3-Tolyl-N-methylcarbamate
   * Tsumacide
   * Tsumaunka
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Human
DOSE/DURATION           : 3400 ug/m3/2D-I
TOXIC EFFECTS :
   Biochemical - Enzyme inhibition, induction, or change in blood or tissue
   levels - true cholinesterase
REFERENCE :
   GISAAA Gigiena i Sanitariya.  For English translation, see HYSAAV.  (V/O
   Mezhdunarodnaya Kniga, 113095 Moscow, USSR)  V.1-    1936-
   Volume(issue)/page/year: 38(8),99,1973
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 268 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   FMCHA2 Farm Chemicals Handbook.  (Meister Pub., 37841 Euclid Ave.,
   Willoughy, OH 44094)  Volume(issue)/page/year: -,C212,1991
 
TYPE OF TEST            : LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 475 mg/m3
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   FMCHA2 Farm Chemicals Handbook.  (Meister Pub., 37841 Euclid Ave.,
   Willoughy, OH 44094)  Volume(issue)/page/year: -,C212,1991
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Administration onto the skin
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 896 mg/kg
TOXIC EFFECTS :
   Sense Organs and Special Senses (Eye) - lacrimation
   Behavioral - excitement
   Gastrointestinal - changes in structure or function of salivary glands
REFERENCE :
   GISAAA Gigiena i Sanitariya.  For English translation, see HYSAAV.  (V/O
   Mezhdunarodnaya Kniga, 113095 Moscow, USSR)  V.1-    1936-
   Volume(issue)/page/year: 38(8),99,1973
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Unreported
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 430 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: 49(10),23,1984
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 109 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   FMCHA2 Farm Chemicals Handbook.  (Meister Pub., 37841 Euclid Ave.,
   Willoughy, OH 44094)  Volume(issue)/page/year: -,C212,1991
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Administration onto the skin
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 2 gm/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   YKYUA6 Yakkyoku.  Pharmacy.  (Nanzando, 4-1-11, Yushima, Bunkyo-ku, Tokyo,
   Japan)  V.1-    1950-  Volume(issue)/page/year: 38,391,1987
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Unreported
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 270 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: 49(10),23,1984
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Administration onto the skin
SPECIES OBSERVED        : Rodent - rabbit
DOSE/DURATION           : 6 gm/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   YKYUA6 Yakkyoku.  Pharmacy.  (Nanzando, 4-1-11, Yushima, Bunkyo-ku, Tokyo,
   Japan)  V.1-    1950-  Volume(issue)/page/year: 38,391,1987
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Bird - wild bird species
DOSE/DURATION           : 100 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   TXAPA9 Toxicology and Applied Pharmacology.  (Academic Press, Inc., 1 E.
   First St., Duluth, MN 55802) V.1-    1959-  Volume(issue)/page/year:
   21,315,1972
 
                            ** MUTATION DATA **
 
TYPE OF TEST            : Cytogenetic analysis
TEST SYSTEM             : Rodent - hamster Fibroblast
DOSE/DURATION           : 125 mg/L/48H
REFERENCE :
   MUREAV Mutation Research.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1964-  Volume(issue)/page/year: 48,337,1977
 
TYPE OF TEST            : Cytogenetic analysis
TEST SYSTEM             : Rodent - hamster Lung
DOSE/DURATION           : 47 mg/L
REFERENCE :
   GMCRDC Gann Monograph on Cancer Research.  (Plenum Pub. Corp., 233 Spring
   St., New York, NY 10013) No. 11-    1971-  Volume(issue)/page/year:
   27,95,1981

                    *** OCCUPATIONAL EXPOSURE LIMITS ***
 
   OEL-RUSSIA:STEL 0.5 mg/m3 JAN 1993

                          *** STATUS IN U.S. ***
 
   EPA GENETOX PROGRAM 1988, Negative: B subtilis rec assay; TRP reversion
   
   EPA TSCA Section 8(b) CHEMICAL INVENTORY

 
                            *** END OF RECORD ***