Cyclopropaneacrylic acid,
3-carboxy-alpha,2,2-trimethyl-, 1-methyl ester, ester
with 4-
hydroxy-3-methyl-2-(2,4-pentadienyl)-2-cyclopenten-1-
one
CAS  
:
121-29-9
SYNONYMS  
:
* Chrysanthemumdicarboxylic acid monomethyl ester pyrethrolone ester
* ENT 7,543
* Pyrethrin
* Pyrethrin II
* Pyrethrolone, chrysanthemum dicarboxlic acid methyl ester ester
* Pyrethrolone ester of chrsanthemumdicarboxylic acid monomethyl ester
* (+)-Pyrethronyl (+)-pyrethrate
* Pyretrin II
*** CHEMICAL IDENTIFICATION ***
RTECS NUMBER : GZ0700000
CHEMICAL NAME : Cyclopropaneacrylic acid,
3-carboxy-alpha,2,2-trimethyl-, 1-methyl ester, ester
with 4-
hydroxy-3-methyl-2-(2,4-pentadienyl)-2-cyclopenten-1-
one
CAS REGISTRY NUMBER : 121-29-9
LAST UPDATED : 199701
DATA ITEMS CITED : 9
MOLECULAR FORMULA : C22-H28-O5
MOLECULAR WEIGHT : 372.50
WISWESSER LINE NOTATION : L5V BUTJ B2U2U1 C1 DOV- BL3TJ A1 A1 C1UY1&VO1
COMPOUND DESCRIPTOR : Agricultural Chemical
Human
Natural Product
SYNONYMS/TRADE NAMES :
* Chrysanthemumdicarboxylic acid monomethyl ester pyrethrolone ester
* ENT 7,543
* Pyrethrin
* Pyrethrin II
* Pyrethrolone, chrysanthemum dicarboxlic acid methyl ester ester
* Pyrethrolone ester of chrsanthemumdicarboxylic acid monomethyl ester
* (+)-Pyrethronyl (+)-pyrethrate
* Pyretrin II
*** HEALTH HAZARD DATA ***
** ACUTE TOXICITY DATA **
TYPE OF TEST : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE : Unreported
SPECIES OBSERVED : Human - man
DOSE/DURATION : 1029 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
85DCAI "Poisoning; Toxicology, Symptoms, Treatments," 2nd ed., Arena, J.M.,
Springfield, IL, C.C. Thomas, 1970 Volume(issue)/page/year: 2,73,1970
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 200 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
ARSIM* Agricultural Research Service, USDA Information Memorandum.
(Beltsville, MD 20705) Volume(issue)/page/year: 20,17,1966
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Intravenous
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 1 mg/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity)
Behavioral - tremor
Behavioral - convulsions or effect on seizure threshold
REFERENCE :
PCBPBS Pesticide Biochemistry and Physiology. (Academic Press, Inc., 1 E.
First St., Duluth, MN 55802) V.1- 1971- Volume(issue)/page/year:
2,308,1972
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 130 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
ABCHA6 Agricultural and Biological Chemistry. (Maruzen Co. Ltd., POB 5050,
Tokyo International, Tokyo 100-31, Japan) V.25- 1961-
Volume(issue)/page/year: 37,2681,1973
*** OCCUPATIONAL EXPOSURE LIMITS ***
OEL-FINLAND:TWA 5 mg/m3;STEL 10 mg/m3 JAN 1993
OEL-UNITED KINGDOM:TWA 5 mg/m3;STEL 10 mg/m3 JAN 1993
*** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA ***
NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA :
NOHS - National Occupational Hazard Survey (1974)
NOHS Hazard Code - 83467
No. of Facilities: 6 (estimated)
No. of Industries: 1
No. of Occupations: 1
No. of Employees: 17 (estimated)
NOES - National Occupational Exposure Survey (1983)
NOES Hazard Code - 83467
No. of Facilities: 241 (estimated)
No. of Industries: 6
No. of Occupations: 8
No. of Employees: 5966 (estimated)
No. of Female Employees: 390 (estimated)
*** STATUS IN U.S. ***
EPA TSCA Section 8(b) CHEMICAL INVENTORY
*** END OF RECORD ***
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