121-20-0

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121-20-0 Structure

Identification	Back Directory
[Name] 3-(but-2-enyl)-2-methyl-4-oxocyclopent-2-enyl2,2-dimethyl-3-(3-methoxy-2-methyl-3-oxoprop-1-enyl)cyclopropanecarboxylate
[CAS] 121-20-0
[Synonyms] Cinerin Ⅱ 3-(but-2-enyl)-2-methyl-4-oxocyclopent-2-enyl2,2-dimethyl-3-(3-methoxy-2-methyl-3-oxoprop-1-enyl)cyclopropanecarboxylate 3-(but-2-enyl)-2-methyl-4-oxocyclopent-2-enyl2,2-dimethyl-3-(3-methoxy-2-methyl-3-oxoprop-1-enyl)cyclopropanecarboxylate cinerin II 3-(but-2-enyl)-2-methyl-4-oxocyclopent-2-enyl 2,2-dimethyl-3-(3-methoxy-2-methyl-3-oxoprop-1-enyl)cyclopropanecarboxylate (1R,3R)-3-[(E)-3-Methoxy-2-methyl-3-oxo-1-propenyl]-2,2-dimethylcyclopropanecarboxylic acid (S)-3-[(Z)-2-butenyl]-2-methyl-4-oxo-2-cyclopenten-1-yl Cyclopropanecarboxylic acid, 3-(1E)-3-methoxy-2-methyl-3-oxo-1-propenyl-2,2-dimethyl-, (1S)-3-(2Z)-2-butenyl-2-methyl-4-oxo-2-cyclopenten-1-yl ester, (1R,3R)- (1R,3R)-3-[(1E)-3-Methoxy-2-Methyl-3-oxo-1-propen-1-yl]-2,2-diMethylcyclopropanecarboxylic Acid (1S)-3-(2Z)-2-Buten-1-yl-2-Methyl-4-oxo-2-cyclopenten-1-yl Ester Cyclopropanecarboxylic acid, 3-[(1E)-3-methoxy-2-methyl-3-oxo-1-propen-1-yl]-2,2-dimethyl-, (1S)-3-(2Z)-2-buten-1-yl-2-methyl-4-oxo-2-cyclopenten-1-yl ester, (1R,3R)-
[EINECS(EC#)] 204-454-2
[Molecular Formula] C21H28O5
[MOL File] 121-20-0.mol
[Molecular Weight] 360.44

Chemical Properties	Back Directory
[alpha ] D16 +16° (isooctane)
[Boiling point ] bp0.001 182-184°
[refractive index ] nD20 1.5183
[EPA Substance Registry System] Cinerin II (121-20-0)

Safety Data	Back Directory
[Hazard Codes ] Xn,N
[Risk Statements ] 22-50/53
[Safety Statements ] 60-61
[RIDADR ] 2902
[HazardClass ] 6.1(b)
[PackingGroup ] III
[Hazardous Substances Data] 121-20-0(Hazardous Substances Data)

Hazard Information	Back Directory
[Uses] An active insecticidal constituent of pyrethrum flowers. Oxidizes rapidly and becomes inactive in presence of air.
[Uses] Insecticide.
[Definition] ChEBI: Cinerin II is a member of pyrethrins and a methyl ester.

121-20-0 suppliers list

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Company Name:	Portail Substances Chimiques
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Website:	www.substances.ineris.fr

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