*** 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 ***