Alcohols & Glycols
REACH
1-Undecanol
CAS Number
112-42-5
EC Number
203-970-5
FEMA Number
FEMA 3097
What is 1-Undecanol?
1-Undecanol (CAS 112-42-5), also known by its FEMA 3097 designation, is a medium-chain fatty alcohol used in flavor, fragrance, and surfactant applications.
Where is 1-Undecanol used?
- Flavor systems: waxy, citrus-like aromatic character
- Food and beverage flavoring at trace levels
- Citrus, dairy, and fruit flavor compositions: fresh, fatty-citrus top notes
- Personal care: emollient and emulsifier component in creams and lotions
- Conditioning products: texture and spreadability
- Printing and packaging: wetting and dispersing agent for ink adhesion and substrate compatibility
- It serves as a chemical intermediate in the synthesis of surfactants, esters, and specialty surface-active compounds.
Commercial specifications
- Packaging: drums and intermediate bulk containers (IBCs)
Other Names (Synonyms)
Undecanol|undecan-1-ol
What are the physical properties of 1-Undecanol?
Melting Point 19 °C
Boiling Point 243 °C @ Press: 760 Torr
Density 0.8298 g/cm³ @ Temp: 20 °C
Flash Point >230 °F
Appearance colourless liquid
Color Clear colorless to pale yellow
Odor Faint alcohol.
Form Liquid
Water Solubility Not miscible or difficult to mix with water. Soluble in chloroform and ethyl acetate.
Vapor Pressure <1 hPa (20 °C)
Refractive Index n 20/D 1.44(lit.)
Log P 4.9 at 20℃
How is 1-Undecanol classified and handled safely? Learn More
Warning
GHS07· Irritant GHS09· Environmental Hazard
Hazard Statements
H315 Causes skin irritation
H319 Causes serious eye irritation
H320 Causes eye irritation
H400 Very toxic to aquatic life
H401 Toxic to aquatic life
H411 Toxic to aquatic life with long lasting effects
Precautionary Statements
P264 Wash … thoroughly after handling.
P273 Avoid release to the environment.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P321 Specific treatment (see … on this label).
Which trade and regulatory codes apply to 1-Undecanol?
HS Code 29051990
UN Number 3082
ADR Class 9
Packing Group III
Storage Class 10 - Combustible liquids
WGK (Germany) 2