Skip to main content

Stearyl alcohol

ADVERTISEMENT
Identification
Molecular formula
C20H40O3
CAS number
9004-99-3
IUPAC name
2-hydroxyethyl octadecanoate
State
State

At room temperature, 2-hydroxyethyl octadecanoate is typically a semi-solid or highly viscous liquid. When pure, it tends to crystallize easily, especially in cooler conditions.

Melting point (Celsius)
30.00
Melting point (Kelvin)
303.15
Boiling point (Celsius)
370.00
Boiling point (Kelvin)
643.15
General information
Molecular weight
314.53g/mol
Molar mass
314.5330g/mol
Density
0.9479g/cm3
Appearence

2-Hydroxyethyl octadecanoate is an oily, sticky substance. It is a colorless to pale yellow liquid at room temperature. It may exhibit slight turbidity if impurities or water are present and has a faint, waxy odor.

Comment on solubility

Solubility of 2-hydroxyethyl octadecanoate

2-hydroxyethyl octadecanoate, a fatty acid ester, exhibits interesting solubility characteristics depending on its environment. This compound, which belongs to the class of compounds known as esters, typically demonstrates the following solubility behavior:

  • Solvent Interaction: 2-hydroxyethyl octadecanoate tends to be soluble in organic solvents such as ethanol, acetone, and dichloromethane.
  • Water Solubility: Due to the large hydrocarbon tail (the octadecanoate portion), the solubility in water is generally low, making it poorly soluble in aqueous solutions.
  • Temperature Dependence: The solubility can be affected by temperature; increasing the temperature may enhance solubility in organic solvents.

In conclusion, while 2-hydroxyethyl octadecanoate can dissolve readily in certain organic solvents, it struggles with water solubility largely due to the long hydrophobic carbon chain. This duality in solubility not only highlights the interactions within different environments but also emphasizes the significance of the molecular structure in determining solubility behavior. As stated in chemical solubility principles, "like dissolves like," reinforcing the idea that polar substances dissolve in polar solvents while non-polar substances favor non-polar solvents.

Interesting facts

Interesting Facts about 2-Hydroxyethyl Octadecanoate

2-Hydroxyethyl Octadecanoate, commonly referred to as a derivative of fatty acids, presents fascinating insights into its chemical and practical applications.

Chemical Structure and Composition

  • This compound is formed by the esterification of octadecanoic acid (also known as stearic acid) with 2-hydroxyethyl alcohol.
  • The hydroxy group in its structure provides unique properties that differ from simple esters.
  • It exemplifies the interplay between hydrophilic and hydrophobic components, making it an interesting molecule in surfactant chemistry.

Applications in Industry

2-Hydroxyethyl Octadecanoate finds various important applications:

  • Cosmetics and Personal Care: It is utilized as an emollient and skin-conditioning agent, contributing to the smooth texture and moisturizing properties of creams and lotions.
  • Pharmaceuticals: This compound can act as a solvent and stabilizing agent in drug formulations, enhancing the delivery of active ingredients.
  • Food Industry: Its properties make it suitable for use as a food additive, providing texture and stability to products.

Surfactant Properties

The unique structure of 2-Hydroxyethyl Octadecanoate grants it surfactant properties, enabling it to:

  • Reduce surface tension, making it effective in emulsifying and dispersing agents.
  • Stabilize emulsions, promoting the consistency and shelf-life of products.

Environmental Considerations

As with many chemical compounds, attention to environmental impact is crucial. 2-Hydroxyethyl Octadecanoate offers advantages here:

  • Biodegradable characteristics contribute to reduced environmental persistence.
  • Derived from natural sources (fatty acids), it is considered a more sustainable option compared to synthetic alternatives.

In conclusion, 2-Hydroxyethyl Octadecanoate is not just a simple fatty acid derivative; its multifaceted applications across different industries and potential for sustainable practices make it a compound of significant interest within the field of chemistry.

Synonyms
Ethylene glycol monostearate
2-Hydroxyethyl stearate
111-60-4
Glycol stearate
9004-99-3
2-Hydroxyethyl octadecanoate
Cremophor A
Glycol monostearate
Monthybase
Parastarin
Monthyle
Sedetol
Ivorit
PEG-8 Stearate
Prodhybase ethyl
Prodhybas N
Cerasynt M
Clearate G
Cerasynt MN
Cithrol PS
Clindrol SEG
OCTADECANOIC ACID, 2-HYDROXYETHYL ESTER
Lipo EGMS
Cithrol 10MS
PEG-40 stearate
Lactine
Cerasynt 660
Myrj
Tego-stearate
Akyporox S 100
Prodhybase P
PEG stearate
Emerest 2350
Emerest 2640
Empilan 2848
Lamacit CA
Soromin-SG
Emanon 3113
Myrj 45
Stearoks 6
Stearoxa-6
Nikkol MYS
Ethylene glycol stearate
Pegosperse S 9
Stearox 6
Emcol H 35-A
Arosurf 1855E40
Stenol 8
Prodhybase 4000
Stearoks 920
Nikkol MYS 4
Nonion S 2
Nonion S 4
Nissan Nonion S-2
Stearox 920
Lipal 15S
Nonex 28
Nonex 29
Nonex 36
Nonex 53
Nonex 54
Nonex 63
PEG-150 stearate
Lipo-Peg 4-S
Nikkol MYS 40
Nikkol MYS 45
Nikkol MYS-25
Nonion S 15
Trydet SA 40
Empilan CP-100
Empilan CQ-100
Nissan Nonion S 15
Myrj 52S
Kessco X-211
Emunon 3115
Ethofat 60/15
Ethofat 60/20
Ethofat 60/25
Myrj 51
Myrj 53
Perphinol 45/100
Lipal 400-S
STEARIC ACID, 2-HYDROXYETHYL ESTER
Tegin G
Ionet MS-1000
Emery 15393
Glycol stearate SE
USAF KE-11
Ethylene glycol, monostearate
MYRJ 49
MYRJ 52
PEG 100MS
PEG 600MS
Myrj 59
Stearic acid, monoester with ethylene glycol
Ethylene glycol monostearate SE
Glycol monostearate SE
Macrogol ester (INN)
S 151
Myrj 52 (TN)
86418-55-5
DTXSID5026881
NSC31811
0324G66D0E
NCGC00188435-01
Trydet SA series
PEG-10 Stearate
Slovasol MKS 16
Usaf ke-9
Emulphor VT-650
Usaf ke-12
Usaf ke-14
Poly(oxy-1,2-ethanediyl), a-(1-oxooctadecyl)-w-hydroxy-
Magi 45
Emanon 3199
Stabilisant delta-118
PMS No. 1
PMS No. 2
LX 3
MYS 40
MYS 45
PEG 1000MS
PEG 42
UNII-6YLY96TQL6
X-489-R
Macrogol ester
S 541
Schercemol EGMS
Alkamuls SEG
Ablunol EGMS
S 1004
S 1012
S 1054
S 1116
Alkamuls EGMS/C
PEG40 stearate
EINECS 203-886-9
Pegosperse 50 MS
MFCD00051465
Glycols, monostearate
BRN 1794033
Cerasynt M (Salt/Mix)
ethyleneglycol monostearate
Cerasynt MN (Salt/Mix)
Peg 2000 ms
Stabilisant .delta.-118
6YLY96TQL6
Ethilenic glycol monostearate
SCHEMBL10412
GLYCOL STEARATE [II]
Crill 20,22,23
DTXCID006881
GLYCOL STEARATE [VANDF]
CHEMBL2355383
UNII-0324G66D0E
CHEBI:32027
CHEBI:167626
17-Hydroxy-3,6,9,12,15-pentaoxaheptadec-1-yl octadecanoate
Crill 20,21,22, 23
Tox21_113036
NSC-31811
AKOS015843173
octadecanoic acid 2-hydroxyethyl ester
HY-W329372
BS-48654
CAS-111-60-4
DA-66550
DA-76983
FG172031
DB-251527
CS-0440899
ETHYLENE GLYCOL MONOSTEARATE [WHO-DD]
NS00007971
D01542
F71203
F71256
L001305
Q5572621