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Methyl Undecylenate

Production Process:

Methyl ricinoleate is pyrolyzed at high temperature, yielding heptaldehyde, methyl undecylenate and a small amount of fatty acids. Pure heptaldehyde and methyl undecylenate are isolated by fractional distillation.

 CH3-(CH2)5-CH (HO)-CH2-CH=CH-(CH2)7-COOCH3 (Methyl Ricinoleate) Heat n-Heptaldehyde (CH3 (CH2)5CHO) + Methyl Undecylenate (CH2=CH (CH2)8COOCH3)


Applications
This ester of undecylenic acid finds application in cosmetics,pharmaceuticals,and anti-odour formulations.

Chemical, Physical Properties & Specifications

CAS Number

5760-50-9

Formula

C12H22O2                    

Molar Refractivity

59.47 0.3 cm3

Parachor

521.5 4.0 cm3

Index of Refraction

1.444 0.02

Surface Tension

29.5 3.0 dyne/cm

Density

0.886 0.06 g/cm3

Polarizability

23.57 0.5 10-24cm3

Molecular Weight

198.3018800

Odor Type

Earthy

Odor Strength

Medium

Odor Description at 100.00%

Earthy Fungal Rose Fatty Floral

Substantivity

24  Hour(s)

Appearance

Colorless to pale yellow clear liquid

Assay

98.00 100.00 %

Specific Gravity

0.87900 0.88900 @ 25.00 C

Optical Rotation

-2.00 to +2.00

Melting Point

-28.00 - -27.00 C. @ 760.00 mm Hg

Boiling Point

247.00 248.00 C. @ 760.00 mm Hg

Boiling Point

159.00 160.00 C. @ 50.00 mm Hg

Acid Value

1.00 max.  KOH/g

Shelf Life

24.00 month(s) or longer if stored properly

Flash Point ( oF. )

> 200.00 F.  TCC (> 93.33 C.)