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Safety Information

W324721

Sigma-Aldrich

Undecylenic acid

≥96%, FG

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Synonym(s):
10-Undecenoic acid
Linear Formula:
CH2=CH(CH2)8COOH
CAS Number:
112-38-9
Molecular Weight:
184.28
FEMA Number:
3247
Colour Index Number:
42650
Beilstein:
1762631
EC Number:
203-965-8
Council of Europe no.:
689
MDL number:
MFCD00004442
PubChem Substance ID:
329830583
Flavis number:
8.039
NACRES:
NA.21

biological source

synthetic

Quality Level

400

grade

FG
Halal
Kosher

reg. compliance

EU Regulation 1334/2008 & 178/2002

Assay

≥96%

refractive index

n20/D 1.449 (lit.)

bp

137 °C/2 mmHg (lit.)

mp

23-25 °C (lit.)

density

0.912 g/mL at 25 °C (lit.)

application(s)

flavors and fragrances

Documentation

see Safety & Documentation for available documents

food allergen

no known allergens

Organoleptic

woody; sweet

SMILES string

OC(=O)CCCCCCCCC=C

InChI

1S/C11H20O2/c1-2-3-4-5-6-7-8-9-10-11(12)13/h2H,1,3-10H2,(H,12,13)

InChI key

FRPZMMHWLSIFAZ-UHFFFAOYSA-N

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General description

Undecylenic acid is also referred to as 10-undecenoic acid. It exhibits anti-bacterial activity against various pathogenic fungi in the pH range of 4.5 to 6.0. It has fungicidal properties.

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H315 - H319 - H412

Hazard Classifications

Aquatic Chronic 3 - Eye Irrit. 2 - Skin Irrit. 2

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

300.2 °F

Flash Point(C)

149 °C

Regulatory Information

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Effect of pH on the antifungal activity of undecylenic acid and its calcium salt.
Prince HN.
Journal of Bacteriology, 78(6), 788-788 (1959)
Rosario Pignatello et al.
Materials (Basel, Switzerland), 12(6) (2019-03-17)
A biodegradable poly(3-R-hydroxyalkanoate) synthesized by Pseudomonas mediterranea was investigated as a biomaterial to obtain colloidal drug delivery systems. Using a nanoprecipitation method, nanoparticles with a mean size of 155 nm and a negative surface charge were formed. They can be
Yusuke Yamamoto et al.
The Journal of toxicological sciences, 44(9), 585-600 (2019-09-03)
Amino acid derivative reactivity assay (ADRA) has previously been developed as an alternative method to direct peptide reactivity assay (DPRA) to evaluate key event 1 in skin sensitization mechanisms. However, when using alternative methods for skin sensitization, integrated approaches to

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