*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : ES8575000
CHEMICAL NAME           : Butyric acid, 4-((4-chloro-o-tolyl)oxy)-
CAS REGISTRY NUMBER     : 94-81-5
BEILSTEIN REFERENCE NO. : 2215202
REFERENCE               : 4-06-00-01996 (Beilstein Handbook Reference)
LAST UPDATED            : 199709
DATA ITEMS CITED        : 6
MOLECULAR FORMULA       : C11-H13-Cl-O3
MOLECULAR WEIGHT        : 228.69
WISWESSER LINE NOTATION : QV3OR DG B1
COMPOUND DESCRIPTOR     : Agricultural Chemical
                          Mutagen
SYNONYMS/TRADE NAMES :
   * Bexone
   * Butanoic acid, 4-(4-chloro-2-methylphenoxy)-
   * 4-(4-Chlor-2-methylphenoxy)-buttersaeure
   * gamma-(4-Chloro-2-methylphenoxy)butyric acid
   * 4-(4-Chloro-2-methylphenoxy)butyric acid
   * (4-Chloro-o-tolyloxy)butyric acid
   * 4-((4-Chloro-o-tolyl)oxy)butyric acid
   * Kyselina 4-(4-chlor-2-methylfenoxy)maselna
   * MCPB
   * gamma-MCPB
   * 2,4-MCPB
   * 4MCPB
   * MCP-butyric
   * 2-Methyl-4-chlorophenoxybutyric acid
   * gamma-2-Methyl-4-chlorophenoxybutyric acid
   * 4-(2-Methyl-4-chlorophenoxy)butyric acid
   * 4-(2-Methyl-4-chlorphenoxy)-buttersaeure
   * 2M 4KhM
   * Thitrol
   * Trifolex
   * U46 MCPB
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 680 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   WRPCA2 World Review of Pest Control.  (London, UK)  V.1-10, 1962-71.
   Discontinued.  Volume(issue)/page/year: 9,119,1970
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 800 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: -,C303,1991
 
                            ** MUTATION DATA **
 
TYPE OF TEST            : Gene conversion and mitotic recombination
TEST SYSTEM             : Yeast - Saccharomyces cerevisiae
DOSE/DURATION           : 13500 umol/L
REFERENCE :
   IARCCD IARC Scientific Publications.  (Geneva, Switzerland)  No.1-26,
   1971-78.  For publisher information, see IAPUDO.  Volume(issue)/page/year:
   10,161,1974

                    *** U.S. STANDARDS AND REGULATIONS ***
 
   EPA FIFRA 1988 PESTICIDE SUBJECT TO REGISTRATION OR RE-REGISTRATION
   FEREAC Federal Register.  (U.S. Government Printing Office, Supt. of
   Documents, Washington, DC 20402) V.1-    1936-  Volume(issue)/page/year:
   54,7740,1989

                          *** STATUS IN U.S. ***
 
   EPA GENETOX PROGRAM 1988, Negative: Host-mediated assay; D melanogaster
   Sex-linked lethal
   
   On EPA IRIS database

 
                            *** END OF RECORD ***