*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : TO7876400
CHEMICAL NAME           : Pivalic acid, ester with 2-hydroxyacetophenone
CAS REGISTRY NUMBER     : 2522-81-8
BEILSTEIN REFERENCE NO. : 1873883
REFERENCE               : 4-08-00-00368 (Beilstein Handbook Reference)
LAST UPDATED            : 199612
DATA ITEMS CITED        : 9
MOLECULAR FORMULA       : C13-H16-O3
MOLECULAR WEIGHT        : 220.29
COMPOUND DESCRIPTOR     : Reproductive Effector
SYNONYMS/TRADE NAMES :
   * Benzoylcarbinol trimethylacetate
   * Benzoylcarbinyl trimethylacetate
   * Phenacylpivalate
   * Pibecarb
   * Propanoic acid, 2,2-dimethyl-, 2-oxo-2-phenylethyl ester
 
                       *** 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           : >10 gm/kg
TOXIC EFFECTS :
   Behavioral - somnolence (general depressed activity)
   Cardiac - cardiomyopathy including infarction
   Lungs, Thorax, or Respiration - dyspnea
REFERENCE :
   KSRNAM Kiso to Rinsho.  Clinical Report.  (Yubunsha Co., Ltd., 1-5, Kanda
   Suda-Cho, Chiyoda-ku, KS Bldg., Tokyo 101, Japan)  V.1-    1960-
   Volume(issue)/page/year: 8,1895,1974
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 2600 mg/kg
TOXIC EFFECTS :
   Behavioral - somnolence (general depressed activity)
   Cardiac - change in rate
   Lungs, Thorax, or Respiration - respiratory depression
REFERENCE :
   GNRIDX Gendai no Rinsho.  (Tokyo, Japan)  V.1-10, 1967-76(?).
   Volume(issue)/page/year: 4,1,1970
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : >10 gm/kg
TOXIC EFFECTS :
   Behavioral - somnolence (general depressed activity)
   Cardiac - cardiomyopathy including infarction
   Lungs, Thorax, or Respiration - dyspnea
REFERENCE :
   KSRNAM Kiso to Rinsho.  Clinical Report.  (Yubunsha Co., Ltd., 1-5, Kanda
   Suda-Cho, Chiyoda-ku, KS Bldg., Tokyo 101, Japan)  V.1-    1960-
   Volume(issue)/page/year: 8,1895,1974
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 1900 mg/kg
TOXIC EFFECTS :
   Cardiac - cardiomyopathy including infarction
   Lungs, Thorax, or Respiration - dyspnea
REFERENCE :
   KSRNAM Kiso to Rinsho.  Clinical Report.  (Yubunsha Co., Ltd., 1-5, Kanda
   Suda-Cho, Chiyoda-ku, KS Bldg., Tokyo 101, Japan)  V.1-    1960-
   Volume(issue)/page/year: 8,1895,1974
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 1400 mg/kg
TOXIC EFFECTS :
   Cardiac - cardiomyopathy including infarction
   Lungs, Thorax, or Respiration - dyspnea
REFERENCE :
   KSRNAM Kiso to Rinsho.  Clinical Report.  (Yubunsha Co., Ltd., 1-5, Kanda
   Suda-Cho, Chiyoda-ku, KS Bldg., Tokyo 101, Japan)  V.1-    1960-
   Volume(issue)/page/year: 8,1895,1974
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 4900 mg/kg
TOXIC EFFECTS :
   Cardiac - cardiomyopathy including infarction
   Lungs, Thorax, or Respiration - dyspnea
REFERENCE :
   KSRNAM Kiso to Rinsho.  Clinical Report.  (Yubunsha Co., Ltd., 1-5, Kanda
   Suda-Cho, Chiyoda-ku, KS Bldg., Tokyo 101, Japan)  V.1-    1960-
   Volume(issue)/page/year: 8,1895,1974
 
                 ** OTHER MULTIPLE DOSE TOXICITY DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Mammal - dog
DOSE/DURATION           : 78 gm/kg/26W-I
TOXIC EFFECTS :
   Liver - changes in liver weight
   Kidney, Ureter, Bladder - changes in bladder weight
   Endocrine - changes in spleen weight
REFERENCE :
   KSRNAM Kiso to Rinsho.  Clinical Report.  (Yubunsha Co., Ltd., 1-5, Kanda
   Suda-Cho, Chiyoda-ku, KS Bldg., Tokyo 101, Japan)  V.1-    1960-
   Volume(issue)/page/year: 8,1913,1974
 
                          ** REPRODUCTIVE DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Mammal - dog
DOSE                    : 91 gm/kg
SEX/DURATION            : male 26 week(s) pre-mating
TOXIC EFFECTS :
   Reproductive - Paternal Effects - prostate, seminal vesicle, Cowper's gland,
   accessory glands
REFERENCE :
   KSRNAM Kiso to Rinsho.  Clinical Report.  (Yubunsha Co., Ltd., 1-5, Kanda
   Suda-Cho, Chiyoda-ku, KS Bldg., Tokyo 101, Japan)  V.1-    1960-
   Volume(issue)/page/year: 8,1913,1974
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Mammal - dog
DOSE                    : 91 gm/kg
SEX/DURATION            : female 26 week(s) pre-mating
TOXIC EFFECTS :
   Reproductive - Maternal Effects - uterus, cervix, vagina
REFERENCE :
   KSRNAM Kiso to Rinsho.  Clinical Report.  (Yubunsha Co., Ltd., 1-5, Kanda
   Suda-Cho, Chiyoda-ku, KS Bldg., Tokyo 101, Japan)  V.1-    1960-
   Volume(issue)/page/year: 8,1913,1974
 
                            *** END OF RECORD ***