CAS 112-92-5 Octadecanol - Materials / Alfa Chemistry

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Octadecanol

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Catalog Number

ACM112925

CAS Number

112-92-5

Product Name

Octadecanol

Category

Solubility Enhancing Reagents

Synonyms

Stearic alcohol

Description

Liquid; OtherSolid; OtherSolid, Liquid; PelletsLargeCrystals; PelletsLargeCrystals, Liquid; PelletsLargeCrystals, OtherSolid;Solid;Solid;COLOURLESS-TO-WHITE SLIGHTLY WAXY FLAKES OR LEAFLETS.

IUPAC Name

octadecan-1-ol

Molecular Weight

270.46

Molecular Formula

C18H38O

Canonical SMILES

CCCCCCCCCCCCCCCCCCO

InChI

InChI=1S/C18H38O/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19/h19H,2-18H2,1H3

InChI Key

GLDOVTGHNKAZLK-UHFFFAOYSA-N

Boiling Point

170-171 °C 2 mmHg

Melting Point

56-59 °C (lit.)

Flash Point

392 °F (200 °C) (Closed cup);170 °C

Purity

99%+

Density

0.8124 at 59 °C/4 °C;Relative density (water = 1): 0.81 (liquid)

Solubility

4.07e-09 M;1.1e-06 mg/mL at 25 °C;Soluble in alcohol, ether, benzene, acetone;Soluble in chloroform; slightly soluble in acetone, benzene;In water, 1.1X10-3 mg/L at 25 °C;1.1e-06 mg/mL at 25 °C;Solubility in water: none

Appearance

Solid

Application

Octadecanol, also known as 1-octadecanol, is a versatile saturated fatty alcohol utilized in a wide range of applications due to its functional properties. This compound, characterized by its solid, waxy texture and mild odor, serves as an integral component in the formulation of cosmetics and pharmaceutical products. Its primary role is as a surfactant and emulsifying agent, where it contributes to moisturizing and stabilizing preparations in creams and ointments. In addition to enhancing the texture and viscosity of these products, octadecanol possesses emollient properties, helping to retain moisture in skin care applications. Beyond cosmetics, it finds use in textile oils, lubricants, and antifoam agents. Due to its high purity and compatibility, it can effectively replace cetyl alcohol in many formulations. Octadecanol also plays a critical role in industrial applications, from producing alkyl amines to serving as a raw material in polymerization stabilizers. Its utility is further demonstrated in the preparation of controlled-release pharmaceuticals and as a potential transdermal penetration enhancer, reflecting its adaptability and importance in both consumer and industrial products.

Storage

Room temperature

Color/Form

Leaflets from ethanol;Unctuous white flakes or granules

Complexity

145

Covalently-Bonded Unit Count

EC Number

204-017-6;272-778-1

Exact Mass

270.292266g/mol

Formal Charge

Heavy Atom Count

ICSC Number

1610

Log P

8.22

MeSH Entry Terms

1-octadecanol;stearyl alcohol

Monoisotopic Mass

270.292266g/mol

NSC Number

5379

Odor

Faint

Other Experimental

Faint characteristic odor & bland taste /stearyl alcohol usp/;SOLUBLE IN VEGETABLE OILS /STEARYL ALCOHOL USP/;Liquid molar volume = 0.33572 cu m/kmol;Heat of fusion at melting point = 7.4057X10+7 J/kmol (for the gamma phase, no selection of the alpha phase, crystal I can be made).;MP: 59.4 to 59.8 °C; BP: 210 °C at 15 mm Hg (pure substance);Vapor pressure = 0.1 mm Hg @ 125 °C;Henry's Law constant = 8.4X10-4 atm-cu m/mol at 25 °C (est);Hydroxyl radical reaction rate constant = 2.7X10-11 cu cm/molec-sec at 25 °C (est)

Rotatable Bond Count

RTECS Number

RG2010000

UNII

2KR89I4H1Y

Vapor Pressure

2.70e-06 mmHg;2.7X10-6 mm Hg at 25 °C (est);Vapor pressure, Pa at 150 °C: 133

XLogP3

8.4

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