*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : UP7000000
CHEMICAL NAME           : 2H-Pyran-6-carboxylic acid,
                          3,4-dihydro-2,2-dimethyl-4-oxo-, butyl ester
CAS REGISTRY NUMBER     : 532-34-3
BEILSTEIN REFERENCE NO. : 0160461
REFERENCE               : 4-18-00-05345 (Beilstein Handbook Reference)
LAST UPDATED            : 199701
DATA ITEMS CITED        : 9
MOLECULAR FORMULA       : C12-H18-O4
MOLECULAR WEIGHT        : 226.30
WISWESSER LINE NOTATION : T6O DV BUTJ F1 F1
COMPOUND DESCRIPTOR     : Agricultural Chemical
SYNONYMS/TRADE NAMES :
   * BMOO
   * Butopyronoxyl
   * Butyl 3,4-dihydro-2,2-dimethyl-4-oxo-2H-pyran-6-carboxylate
   * n-Butyl ester of 3,4-dihydro-2,2-dimethyl-4-oxo-2H-pyran-6-carboxylic  
   acid
   * Butyl mesityl oxide
   * n-Butyl mesityl oxide oxalate
   * n-Butylmesityloxid oxalate
   * 2-Carbo-N-butoxy-6,6-dimethyl-5,6-dihydro-1,4-pyrone
   * 3,4-Dihydro-2,2-dimethyl-4-oxo-2H-pyran-6-carboxylic acid, n-butyl ester
   * Dihydropyrone
   * alpha,alpha-Dimethyl-alpha'-carbobutoxy-dihydro-gamma-pyrone
   * 2,2-Dimethyl-6-carbobutoxy-2,3-dihydro-4-pyrone
   * ENT 9
   * Indalone
 
                       *** 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           : 7400 uL/kg
TOXIC EFFECTS :
   Liver - change in gall bladder structure or function
REFERENCE :
   JPETAB Journal of Pharmacology and Experimental Therapeutics.  (Williams &
   Wilkins Co., 428 E. Preston St., Baltimore, MD 21202)  V.1-    1909/10-
   Volume(issue)/page/year: 93,26,1948
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 11600 uL/kg
TOXIC EFFECTS :
   Liver - change in gall bladder structure or function
REFERENCE :
   JPETAB Journal of Pharmacology and Experimental Therapeutics.  (Williams &
   Wilkins Co., 428 E. Preston St., Baltimore, MD 21202)  V.1-    1909/10-
   Volume(issue)/page/year: 93,26,1948
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rabbit
DOSE/DURATION           : 5400 uL/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   JPETAB Journal of Pharmacology and Experimental Therapeutics.  (Williams &
   Wilkins Co., 428 E. Preston St., Baltimore, MD 21202)  V.1-    1909/10-
   Volume(issue)/page/year: 93,26,1948
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Administration onto the skin
SPECIES OBSERVED        : Rodent - rabbit
DOSE/DURATION           : >10 mL/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   JPETAB Journal of Pharmacology and Experimental Therapeutics.  (Williams &
   Wilkins Co., 428 E. Preston St., Baltimore, MD 21202)  V.1-    1909/10-
   Volume(issue)/page/year: 93,26,1948
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - guinea pig
DOSE/DURATION           : 3200 uL/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   JPETAB Journal of Pharmacology and Experimental Therapeutics.  (Williams &
   Wilkins Co., 428 E. Preston St., Baltimore, MD 21202)  V.1-    1909/10-
   Volume(issue)/page/year: 93,26,1948
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Bird - chicken
DOSE/DURATION           : 15 mL/kg
TOXIC EFFECTS :
   Liver - change in gall bladder structure or function
REFERENCE :
   JPETAB Journal of Pharmacology and Experimental Therapeutics.  (Williams &
   Wilkins Co., 428 E. Preston St., Baltimore, MD 21202)  V.1-    1909/10-
   Volume(issue)/page/year: 93,26,1948
 
                 ** OTHER MULTIPLE DOSE TOXICITY DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Administration onto the skin
SPECIES OBSERVED        : Rodent - rabbit
DOSE/DURATION           : 180 mL/kg/13W-I
TOXIC EFFECTS :
   Skin and Appendages - dermatitis, other (after systemic exposure)
   Related to Chronic Data - death
REFERENCE :
   JPETAB Journal of Pharmacology and Experimental Therapeutics.  (Williams &
   Wilkins Co., 428 E. Preston St., Baltimore, MD 21202)  V.1-    1909/10-
   Volume(issue)/page/year: 93,26,1948

                    *** 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 TSCA Section 8(b) CHEMICAL INVENTORY

 
                            *** END OF RECORD ***