MilliporeSigma
All Photos(1)

Documents

82670

Sigma-Aldrich

Pyrethrum extract

≥50% (sum of pyrethrines)

CAS Number:
EC Number:
MDL number:
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

Looking for similar products? Visit Product Comparison Guide

Compare Similar Items

View Full Comparison

Show Differences

1 of 4

This Item
PHR370613170933739
Pyrethrum extract ≥50% (sum of pyrethrines)

Sigma-Aldrich

82670

Pyrethrum extract

Pyrethrum extract certified reference material, pharmaceutical secondary standard

Supelco

PHR3706

Pyrethrum extract

Pyrrole reagent grade, 98%

Sigma-Aldrich

131709

Pyrrole

Pyrethrum extract PESTANAL®, analytical standard

Supelco

33739

Pyrethrum extract

concentration

≥50% (sum of pyrethrines)

concentration

-

concentration

-

concentration

-

refractive index

n20/D 1.48-1.50

refractive index

-

refractive index

n20/D 1.508 (lit.)

refractive index

-

storage temp.

2-8°C

storage temp.

-

storage temp.

2-8°C

storage temp.

-

Quality Level

100

Quality Level

300

Quality Level

200

Quality Level

100

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)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Documents related to the products that you have purchased in the past have been gathered in the Document Library for your convenience.

Visit the Document Library

Difficulty Finding Your Product Or Lot/Batch Number?

Product numbers are combined with Pack Sizes/Quantity when displayed on the website (example: T1503-25G). Please make sure you enter ONLY the product number in the Product Number field (Example: T1503).

Example:

T1503
Product Number
-
25G
Pack Size/Quantity

Additional examples:

705578-5MG-PW

PL860-CGA/SHF-1EA

MMYOMAG-74K-13

1000309185

enter as 1.000309185)

Having trouble? Feel free to contact Technical Service for assistance.

Lot and Batch Numbers can be found on a product's label following the words 'Lot' or 'Batch'.

Aldrich Products

  • For a lot number such as TO09019TO, enter it as 09019TO (without the first two letters 'TO').

  • For a lot number with a filling-code such as 05427ES-021, enter it as 05427ES (without the filling-code '-021').

  • For a lot number with a filling-code such as STBB0728K9, enter it as STBB0728 without the filling-code 'K9'.

Not Finding What You Are Looking For?

In some cases, a COA may not be available online. If your search was unable to find the COA you can request one.

Request COA

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

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service