2-methyl-4-oxo-3-(penta-2,4-dienyl)cyclopent-2-enyl [1R-[1alpha[S*(Z)],3beta]]-chrysanthemate

Modify Date: 2024-01-09 15:36:07

2-methyl-4-oxo-3-(penta-2,4-dienyl)cyclopent-2-enyl [1R-[1alpha[S*(Z)],3beta]]-chrysanthemate Structure
2-methyl-4-oxo-3-(penta-2,4-dienyl)cyclopent-2-enyl [1R-[1alpha[S*(Z)],3beta]]-chrysanthemate structure
Common Name 2-methyl-4-oxo-3-(penta-2,4-dienyl)cyclopent-2-enyl [1R-[1alpha[S*(Z)],3beta]]-chrysanthemate
CAS Number 121-21-1 Molecular Weight 328.445
Density 1.0±0.1 g/cm3 Boiling Point 424.3±45.0 °C at 760 mmHg
Molecular Formula C21H28O3 Melting Point N/A
MSDS N/A Flash Point 182.2±28.8 °C

 Names

Name pyrethrin I
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.0±0.1 g/cm3
Boiling Point 424.3±45.0 °C at 760 mmHg
Molecular Formula C21H28O3
Molecular Weight 328.445
Flash Point 182.2±28.8 °C
Exact Mass 328.203857
PSA 43.37000
LogP 5.49
Vapour Pressure 0.0±1.0 mmHg at 25°C
Index of Refraction 1.525

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
GZ1725000
CHEMICAL NAME :
Cyclopropanecarboxylic acid, 2,2-dimethyl-3-(2-methylpropenyl)-, ester with 4-hydroxy- 3-methyl-2-(2,4-pentadienyl)-2-cyclopenten-1-one
CAS REGISTRY NUMBER :
121-21-1
BEILSTEIN REFERENCE NO. :
2004306
LAST UPDATED :
199612
DATA ITEMS CITED :
8
MOLECULAR FORMULA :
C21-H28-O3
MOLECULAR WEIGHT :
328.49
WISWESSER LINE NOTATION :
L5V BUTJ B2U2U1 C1 DOV- BL3TJ A1 A1 C1UY1&1

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 :
260 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 :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
5 mg/kg
TOXIC EFFECTS :
Behavioral - convulsions or effect on seizure threshold Behavioral - ataxia Lungs, Thorax, or Respiration - acute pulmonary edema
REFERENCE :
BIOGAL Biologico. (Instituto Biologica, Av. Cons. Rodriques Alves, 1252, CEP 04014, Sao Paulo, Brazil) V.1- 1935- Volume(issue)/page/year: 41,283,1975
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Unreported
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
960 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
30ZDA9 "Chemistry of Pesticides," Melnikov, N.N., New York, Springer-Verlag New York, Inc., 1971 Volume(issue)/page/year: -,131,1971 *** 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 *** 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 - 83466 No. of Facilities: 152 (estimated) No. of Industries: 3 No. of Occupations: 3 No. of Employees: 493 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 83466 No. of Facilities: 81 (estimated) No. of Industries: 2 No. of Occupations: 2 No. of Employees: 340 (estimated)

 Safety Information

Hazard Codes Xn: Harmful;N: Dangerous for the environment;
Risk Phrases R20/21/22
Safety Phrases S13;S60;S61
RIDADR UN 2902
Packaging Group III
Hazard Class 6.1(b)
HS Code 2918300011

 Customs

HS Code 2918300011

 Synonyms

EINECS 204-455-8
(1S)-2-methyl-4-oxo-3-[(2Z)-penta-2,4-dien-1-yl]cyclopent-2-en-1-yl (1R,3R)-2,2-dimethyl-3-(2-methylprop-1-en-1-yl)cyclopropane-1-carboxylate
Dehydroleucodin
Lidbeckialactone
PYRETHRIN 1
dehydroleucodine
(1S)-2-methyl-4-oxo-3-(2Z)-2,4-pentadien-1-yl-2-cyclopenten-1-yl (1R,3R)-2,2-dimethyl-3-(2-methyl-1-propen-1-yl)cyclopropanecarboxylate
(Z)-(S)-2-methyl-4-oxo-3-(penta-2,4-dienyl)cyclopent-2-enyl (+)-trans-chrysanthemate
(Z)-(S)-2-methyl-4-oxo-3-(penta-2,4-dienyl)cyclopent-2-enyl (1R)-trans-2,2-dimethyl-3-(2-methylprop-1-enyl)cyclopropanecarboxylate
(Z)-(S)-2-methyl-4-oxo-3-(penta-2,4-dienyl)cyclopent-2-enyl (1R,3R)-2,2-dimethyl-3-(2-methylprop-1-enyl)cyclopropanecarboxylate
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