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16958-85-3

Basic Information
CAS No.: 16958-85-3
Name: 2-ETHYLHEXYL PALMITATE
Article Data: 9
Molecular Structure:
Molecular Structure of 16958-85-3 (2-ETHYLHEXYL PALMITATE)
Formula: C24H48 O2
Molecular Weight: 368.644
Synonyms: Palmiticacid, octyl ester (6CI,8CI); Estol 1543; Neoderm OP; Octyl palmitate; PelemolOP
EINECS: 241-028-5
Density: 0.86 g/cm3
Boiling Point: 414.2 °C at 760 mmHg
Flash Point: 209.9 °C
PSA: 26.30000
LogP: 8.22730
Synthetic route
111-87-5

octanol

57-10-3

1-hexadecylcarboxylic acid

16958-85-3

octyl palmitate

Conditions
ConditionsYield
With choline chloride; zinc(II) chloride at 110℃; for 6h;99%
With nitrogen doped reduced graphene oxide at 149.84℃; for 6h;87%
With hydrogenchloride
111-83-1

1-bromo-octane

3508-01-8

silver palmitate

16958-85-3

octyl palmitate

Conditions
ConditionsYield
at 130 - 140℃;
111-87-5

octanol

112-67-4

n-hexadecanoyl chloride

16958-85-3

octyl palmitate

Conditions
ConditionsYield
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Chemistry

Molecular Structure of 2-Ethylhexyl palmitate (CAS NO.16958-85-3):

Molecular Formula:C24H48O2
Molecular Weight: 368.64
IUPAC Name: Octyl hexadecanoate
Synonyms: Hexadecanoic acid, octyl ester ; Octyl hexadecanoate ; Octyl palmitate ; Palmitic acid octyl ester
CAS NO: 16958-85-3
EINECS: 241-028-5
Mol File: 16958-85-3.mol
Index of Refraction: 1.449
Surface Tension: 31.1 dyne/cm
Density: 0.86 g/cm3
Flash Point: 209.9 °C
Enthalpy of Vaporization: 66.71 kJ/mol
Boiling Point: 414.2 °C at 760 mmHg
Vapour Pressure: 4.52E-07 mmHg at 25°C
Structure Descriptors of 2-Ethylhexyl palmitate (CAS NO.16958-85-3):
SMILES: O=C(OCCCCCCCC)CCCCCCCCCCCCCCC
InChI: InChI=1/C24H48O2/c1-3-5-7-9-11-12-13-14-15-16-17-18-20-22-24(25)26-23-21-19-10-8-6-4-2/h3-23H2,1-2H3
InChIKey: OQILCOQZDHPEAZ-UHFFFAOYAN
Std. InChI: InChI=1S/C24H48O2/c1-3-5-7-9-11-12-13-14-15-16-17-18-20-22-24(25)26-23-21-19-10-8-6-4-2/h3-23H2,1-2H3
Std. InChIKey: OQILCOQZDHPEAZ-UHFFFAOYSA-N

Uses

 2-Ethylhexyl palmitate (CAS NO.16958-85-3) is used in cosmetic formulations as a solvent, carrying agent, pigment wetting agent, fragrance fixative and emollient. Its dry-slip skinfeel is similar to some silicone derivatives.

Production

  Palmitic acid and 2-Ethylhexanol are reacted in the presence of an acid catalyst to make 2-Ethylhexyl palmitate (CAS NO.16958-85-3). It also can be synthesized by using aminosulfonic acid as catalyst under the condition of reduced pres- sure. Instead of aminosulfonic acid, the enzyme can also be used as a catalyst such as the lipase from Candida sp. 99–125. After it is immobilized on surfactant modified cotton membrane, it can be used to prepare the 2-Ethylhexyl palmitate .

Specification

  2-Ethylhexyl palmitate is a clear, colorless liquid at room temperature with a slightly fatty odor.