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Sigma-Aldrich

Pyrethrum extract

≥50% (sum of pyrethrines)

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About This Item

CAS Number:
EC Number:
MDL number:
UNSPSC Code:
12352103
PubChem Substance ID:
NACRES:
NA.22

form

liquid

concentration

≥50% (sum of pyrethrines)

refractive index

n20/D 1.48-1.50

storage temp.

2-8°C

SMILES string

C\C(C)=C\C1[C@@H](C(=O)O[C@H]2CC(=O)C(C\C=C\C=C)=C2C)C1(C)C.COC(=O)\C(C)=C\C3[C@@H](C(=O)OC4CC(=O)C(C\C=C\C=C)=C4C)C3(C)C

InChI

1S/C22H28O5.C21H28O3/c1-7-8-9-10-15-14(3)18(12-17(15)23)27-21(25)19-16(22(19,4)5)11-13(2)20(24)26-6;1-7-8-9-10-15-14(4)18(12-17(15)22)24-20(23)19-16(11-13(2)3)21(19,5)6/h7-9,11,16,18-19H,1,10,12H2,2-6H3;7-9,11,16,18-19H,1,10,12H2,2-6H3/b9-8+,13-11+;9-8+/t16?,18?,19-;16?,18-,19-/m00/s1

InChI key

VXSIXFKKSNGRRO-YWUDCVDHSA-N

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Analysis Note

~25% pyrethrine I and pyrethrine II

Pictograms

Skull and crossbonesEnvironment

Signal Word

Danger

Hazard Statements

Hazard Classifications

Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Acute Tox. 4 Dermal - Aquatic Acute 1 - Aquatic Chronic 1

Storage Class Code

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

WGK

WGK 3

Flash Point(F)

167.0 °F - closed cup

Flash Point(C)

75 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

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Haiyang Xu et al.
The New phytologist, 223(2), 751-765 (2019-03-29)
In the natural pesticides known as pyrethrins, which are esters produced in flowers of Tanacetum cinerariifolium (Asteraceae), the monoterpenoid acyl moiety is pyrethric acid or chrysanthemic acid. We show here that pyrethric acid is produced from chrysanthemol in six steps

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