pyrethrosin

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oxireno[8,9]cyclodeca[1,2-b]furan-8(2H)-one, 6-(acetyloxy)-1a,3,6,6a,7,9a,10,10a-octahydro-4,10a-dimethyl-7-methylene-, (1aR,4E,6R,6aR,9aS,10aR)-

CAS: 28272-18-6 C17 H22 O5 MW: 306.35834000
All Ingredients Aromatic Ingredients CAS Numbers Found in Nature

Identification

Namepyrethrosin
CAS Number28272-18-6
FDA UNIIZ13OX0769A
Molecular FormulaC17 H22 O5
Molecular Weight306.35834000
Nikkaji NumberJ17.292H

Regulatory

Physical Properties

Assay 95.00 to 100.00
Food Chemicals Codex Listed No
Boiling Point 449.90 °C. @ 760.00 mm Hg (est)
Flash Point 390.00 °F. TCC ( 198.80 °C. ) (est)
logP (o/w) 1.940 (est)
Soluble in water, 158.3 mg/L @ 25 °C (est)

No sensory data available

Safety Information

Oral/Parenteral ToxicityNot determined
Dermal ToxicityNot determined
Inhalation ToxicityNot determined

GHS Classification

['GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)', 'GHS Label elements, including precautionary statements']

Safety in Use

Categorynatural substances and extractives
Recommendation for pyrethrosin usage levels up tonot for fragrance use.
Recommendation for pyrethrosin flavor usage levels up tonot for flavor use.

No supplier data available

Potential Uses

None Found

Natural Occurrence

found in nature

Synonyms

(1aR-(1aR*,4E,6R*,6aR*,9aS*,10aR*))-6-( acetyl oxy)-1a,3,6,6a,7,9a,10,10a-octahydro-4,10a-dimethyl-7-methylene oxireno(8,9)cyclodeca(1,2-b)furan-8(2H)-one chrysanthin (1aR,4E,6R,6aR,9aS,10aR)-4,10a- dimethyl-7-methylene-8-oxo-1a,2,3,6,6a,7,8,9a,10,10a-decahydrooxireno[8,9]cyclodeca[1,2-b]furan-6-yl acetate (1aR,4E,6R,6aR,9aS,10aR)-4,10a- dimethyl-7-methylidene-8-oxo-1a,2,3,6,6a,7,8,9a,10,10a-decahydrooxireno[8,9]cyclodeca[1,2-b]furan-6-yl acetate 1,10- epoxy-6,8-dihydroxygermacra-4,11(13)-dien-12-oic acid 12,8-lactone acetate oxireno[8,9]cyclodeca[1,2-b]furan-8(2H)-one, 6-(acetyloxy)-1a,3,6,6a,7,9a,10,10a-octahydro-4,10a-dimethyl-7-methylene-, (1aR,4E,6R,6aR,9aS,10aR)- PubMed: Pyrethrins and pyrethrosin content in commercial allergen extracts. PubMed: Chrysanthemum allergy. Pt. II: Experimental studies on the causative agents. PubMed: Allergic contact dermatitis from pyrethrum (Chrysanthemum spp.). The roles of pyrethrosin, a sesquiterpene lactone, and of pyrethrin II. PubMed: Pyrethrins and pyrethrosin content in commercial allergen extracts. PubMed: Microbial transformation of pyrethrosin.