ALFOL 18 Alcohol is high purity, petrochemical-based 1-octadecanol. ALFOL 18 Alcohol is a white solid with a slight sweet odor. ALFOL 18 Alcohol is classified as readily biodegradable in standard ready biodegradability tests. ALFOL 18 Alcohol can be esterified, ethoxylated, propoxylated, sulfated, oxidized, etc. ALFOL 18 Alcohol are physically and chemically equivalent to corresponding oleochemical-based Alcohols derived from such sources as coconut oil or palm oil. For documents specific to a region, please contact Sasol using the 'Request Document' button.

Chemical Name: Stearyl Alcohol

CAS Number: 112-92-5

Functions: Intermediate, Pour Point Depressant, Wetting Agent

Chemical Family: Alcohols

Synonyms: 1-Hydroxyoctadecane, 1-Octadecanol, Alcohol Stearylicus, Alfol 18, Atalco S, Octadecan-1-ol, Octadecanol, Octadecanol NF, Octadecyl Alcohol, Stearal, Stearic Alcohol, Stearol

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Identification & Functionality

Chemical Family
Chemical Name
Base Chemicals Functions
CASE Ingredients Functions
Fluids & Lubricants Functions
Industrial Additives Functions
CAS No.
112-92-5
EC No.
204-017-6

Applications & Uses

Applicable Processes
Industrial Additives End Use

Properties

Physical Form
Odor
Slight Sweet
Insoluble in
Water
Typical Properties
ValueUnitsTest Method / Conditions
Molecular Weight (Average)270g/mol
Total Alcohol Contentmin. 98wt. %
Homolog Distribution - C16OH & lowermax. 3wt. %
Homolog Distribution - C18OHmin. 95wt. %
Homolog Distribution - C20OH & highermax. 3wt. %
Density at 70°C0.806g/mL
Viscosity at 70°C (158°F)8.7cSt
Vapor Pressure at 20°C (68°F)max. 0.01mmHg
Flammability Upper explosion limitapprox. 5.0 (V)%
Flammability Lower explosion limitapprox. 0.4 (V)%
Partition Coefficient (n-octanol/water)log Pow: 7.19
Water Contentmax. 0.1 wt. %DIN 51777
Colormax. 40EN ISO 6271-2
Acid Numbermax. 0.5mgKOH/g
Iodine Numbermax. 1g/100g600-39
Vapor Density5 – 9
Saponification Numbermax. 1.5mg KOH/g
Melting Point55 – 60 (131–140)°C (°F)
Hydroxyl Number200 – 220mg KOH/g
Flash Point196 (385)°C (°F)ASTM D 93
Carbonyl Contentmax. 700ppm
Boiling Point350 – 354 (662 – 669)°C (°F)
Auto-ignition Temperature249 - 269 (480 - 516)°C (°F)

Regulatory & Compliance

Certifications & Compliance

Technical Details & Test Data

Viscosity versus Temperature Profile

ALFOL pure cut alcohol viscosity vs temperature

Sasol ALFOL 18 Viscosity versus Temperature Profile - 1

ALFOL blended alcohol viscosity vs temperature

Sasol ALFOL 18 Viscosity versus Temperature Profile - 2​​​​​​​

Density versus Temperature Profile

ALFOL pure cut alcohol density vs temperature

Sasol ALFOL 18 Density versus Temperature Profile - 1

ALFOL blended alcohol density vs temperature

Sasol ALFOL 18 Density versus Temperature Profile - 2​​​​​​​

Storage & Handling

Storage and Handling

Safe handling advice

Ensure all equipment is electrically grounded before beginning transfer operations.

Storage/Transport pressure

Ambient

Load/Unload temperature

60 - 77 °C (140 - 170 °F)