ChemicalBook--->CAS DataBase List--->121-21-1

121-21-1

121-21-1 Structure

121-21-1 Structure
IdentificationBack Directory
[Name]

PYRETHRIN 1
[CAS]

121-21-1
[Synonyms]

piretrina1
pyrethrini
pyrethrinei
PYRETHRIN 1
Pyrethrin Ⅰ
pyrethrins I
piretrina1(portuguese)
pyrethrins(pyrethrini)
openyl)cyclopropanecarboxylate
Pyrethrin I, 100 μg /μL in cyclohexane
(+)-pyrethronyl(+)-trans-chrysanthemate
-3-(2,4-pentadienyl)-2-cycloenten-1-ylester
chrysanthemummonocarboxylicacidpyrethroloneester
pyrethrolone,chrysanthemummonocarboxylicacidester
oxy-3-methyl-2-(2,4-pentadienyl)-2-cyclopenten-1-one
pyrethrins-(cinerini,cinerinii,pyrethrini,pyrethrinii)
ydroxy-3-methyl-2-(2,4-pentadienyl)-2-cyclopenten-1-one
2-methyl-4-oxo-3-(penta-2,4-dienyl)cyclopent-2-enylchrysanthemate
2,2-dimethyl-3-(2-methylpropenyl)-cyclopropaneacrylicaciesterwith4-hydr
2,2-dimethyl-3-(2-methylpropenyl)-cyclopropanecarboxylicaciesterwith4-h
2-dimethyl-3-(2-methyl-1-propenyl)-2-methyl-4-cyclopropanecarboxylicaci
4-pentadienyl)-2-cyclopenten-1-ylester,(1r-(1alpha(s*(z)),3beta))-oxo-3-(
oxo-3-(2,4-pentadienyl)-2-cyclopenten-1-ylester,[1theta-[1alpha[s(z)],3bet
2,2-dimethyl-3-(2-methyl-1-propenyl)cyclopropanecarboxylicacid2-methyl-4-oxo
2-methyl-4-oxo-3-(2,4-pentadienyl)-2-cyclopenten-2,2-dimethyl-3-(2-methyl-1-pr
2-Methyl-4-oxo-3-(penta-2,4-dienyl)cyclopent-2-enyl-[1R[a [S*(Z)], 3b ]]-chrysanthemat
2-methyl-4-oxo-3-(penta-2,4-dienyl)cyclopent-2-enyl [1R-[1alpha[S*(Z)],3beta]]-chrysanthemate
2-methyl-4-oxo-3-(penta-2,4-dienyl)cyclopent-2-enyl [1R-[1α[S*(Z)],3β]]-chrysanthemate pyrethrin I
(1R,3R)-2,2-Dimethyl-3-(2-methyl-1-propenyl)cyclopropanecarboxylic acid (S)-2-methyl-4-oxo-3-[(Z)-2,4-pentadienyl]-2-cyclopenten-1-yl
(1R,3R)-2,2-Dimethyl-3-(2-methyl-1-propenyl)cyclopropane-1-carboxylic acid (S)-2-methyl-3-[(Z)-2,4-pentadienyl]-4-oxo-2-cyclopentene-1-yl ester
Cyclopropanecarboxylic acid, 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)-
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)-
[EINECS(EC#)]

204-455-8
[Molecular Formula]

C21H28O3
[MDL Number]

MFCD00870483
[MOL File]

121-21-1.mol
[Molecular Weight]

328.45
Chemical PropertiesBack Directory
[alpha ]

D20 -14° (isooctane)
[Boiling point ]

bp0.0005 146-150°
[density ]

1.5192
[refractive index ]

nD20 1.5242
[storage temp. ]

0-6°C
[solubility ]

Chloroform (Slightly), Ethyl Acetate (Slightly)
[form ]

Oil
[color ]

Colourless to Pale Yellow
[Stability:]

Light Sensitive, Temperature Sensitive
[EPA Substance Registry System]

Pyrethrin I (121-21-1)
Safety DataBack Directory
[Hazard Codes ]

Xn,N
[Risk Statements ]

20/21/22-50/53
[Safety Statements ]

13-60-61
[RIDADR ]

2902
[HazardClass ]

6.1(b)
[PackingGroup ]

III
[HS Code ]

29183000
[Hazardous Substances Data]

121-21-1(Hazardous Substances Data)
[Toxicity]

rat,LD50,oral,260mg/kg (260mg/kg),BEHAVIORAL: TREMORBEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD,Pesticide Biochemistry and Physiology. Vol. 2, Pg. 308, 1972.
Hazard InformationBack Directory
[Uses]

Pyrethrin 1 is a pesticide residue that has been found in baby food.
[Definition]

ChEBI: Pyrethrin I is a member of pyrethrins. It is functionally related to a (Z,S)-pyrethrolone.
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