Cyclopropanecarboxylicacid, 2,2-dimethyl-3-(2-methyl-1-propen-1-yl)-,(1S)-2-methyl-4-oxo-3-(2Z)-2,4-pentadien-1-yl-2-cyclopenten-1-yl ester,(1R,3R)- cas no:121-21-1

NameCyclopropanecarboxylicacid, 2,2-dimethyl-3-(2-methyl-1-propen-1-yl)-,(1S)-2-methyl-4-oxo-3-(2Z)-2,4-pentadien-1-yl-2-cyclopenten-1-yl ester,(1R,3R)-
CAS121-21-1
SynonymsCyclopropanecarboxylicacid, 2,2-dimethyl-3-(2-methyl-1-propenyl)-,(1S)-2-methyl-4-oxo-3-(2Z)-2,4-pentadienyl-2-cyclopenten-1-yl ester, (1R,3R)-(9CI); Cyclopropanecarboxylic acid, 2,2-dimethyl-3-(2-methyl-1-propenyl)-,2-methyl-4-oxo-3-(2,4-pentadienyl)-2-cyclopenten-1-yl ester, [1R-[1a[S*(Z)],3b]]-; Cyclopropanecarboxylic acid,2,2-dimethyl-3-(2-methylpropenyl)-, ester with4-hydroxy-3-methyl-2-(2,4-pentadienyl)-2-cyclopenten-1-one (8CI); Pyrethrin 1(6CI); (+)-Pyrethronyl (+)-trans-chrysanthemate; Chrysanthemummonocarboxylicacid pyrethrolone ester; Pyrethrin I
EINECS(EC#)204-455-8
Molecular FormulaC21H28 O3
Molecular Weight328.49

refractive index1.524
storage temp0-6°C

Hazardclass6.1(b)

Hazard Xn: Harmful;N: Dangerous for the environment;
Risk R20/21/22
Safety

Poison by ingestion and intravenous routes. When heated to decomposition it emits acrid smoke and irritating fumes. An insecticide.
Safety Information of Pyrethrony l (121-21-1):
Hazard Codes: Xn,N
Xn: Harmful N:Dangerous for the environment
Risk Statements: 20/21/22-50/53
20/21/22: Harmful by inhalation, in contact with skin and if swallowed 
50/53: Very Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment  
Safety Statements: 13-60-61
13: Keep away from food, drink and animal feeding stuffs 
60: This material and/or its container must be disposed of as hazardous waste 
61: Avoid release to the environment. Refer to special instructions safety data sheet  
RIDADR  2902
HazardClass: 6.1(b)
PackingGroup: III
 

1.		orl-rat LD50:260 mg/kg		PCBPBS    Pesticide Biochemistry and Physiology. 2 (1972),308.
2.		ivn-rat LDLo:5 mg/kg		BIOGAL    Biologico. 41 (10)(1975),283.