1-heptanol

CAS Number
111-70-6
EC Number
203-897-9
FEMA Number
FEMA 2548

What is 1-heptanol?

1-Heptanol (CAS 111-70-6), also known as heptyl alcohol, is a medium-chain fatty alcohol used as a chemical intermediate, solvent, and fragrance ingredient. FEMA 2548.

Where is 1-heptanol used?

  • Coatings and adhesives: reactive diluent
  • Resin systems: crosslinking co-agent improving flow and cure
  • Personal care: emollient and emulsifier component in skin and hair products
  • Flavor and fragrance: green, citrus-like top notes in fine fragrance compositions and food-grade flavoring systems
  • Plastics processing: plasticizer intermediate and stabilizer component during polymer compounding
  • It is recognized in flavor and fragrance applications under FEMA 2548.

Good to know: Technical grade is the most common supply form for industrial applications, while fragrance and flavor applications typically require higher-purity specifications, often FCC or equivalent. Buyers should confirm purity levels and odor profile specifications directly with suppliers for flavor or cosmetic end uses.

Commercial specifications

  • Standard bulk packaging: drums and IBCs
  • Larger volume isotank shipments available
  • Technical grade most common; higher-purity specifications for fragrance and flavor

Other Names (Synonyms)

Heptan-1-ol|Heptyl alcohol|Heptanol|n-Heptanol|Enanthic alcohol|Hydroxy heptane|Hexyl carbinol|C7 alcohol

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What are the physical properties of 1-heptanol?

Melting Point -34.6 °C
Boiling Point 175.8 °C @ Press: 760 Torr
Density 0.8219 g/cm³ @ Temp: 20 °C
Flash Point 165 °F
Appearance colourless liquid
Color Clear
Odor Weak alcoholic.
Form Liquid
Water Solubility 2.85 g/L (100 ºC)
Vapor Pressure 0.5 mm Hg ( 20 °C)
Refractive Index n 20/D 1.424(lit.)
Log P 2.2 at 20℃

How is 1-heptanol classified and handled safely? Learn More

Warning
GHS07· Irritant

Hazard Statements

H227 Combustible liquid
H315 Causes skin irritation
H319 Causes serious eye irritation

Precautionary Statements

P210 Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
P264 Wash … thoroughly after handling.
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-heptanol?

HS Code 29051900
WGK (Germany) 1
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