2-heptanone

CAS Number
110-43-0
EC Number
203-767-1
Chemical Formula
C7H14O
Molecular Weight
114.19 g/mol
FEMA Number
FEMA 2544
Abbreviation
MAK

Description

2-Heptanone (CAS 110-43-0), also known as methyl amyl ketone or MAK, is a medium-chain ketone solvent used across industrial, cosmetic, and food applications. It delivers strong solvency for resins and coatings while contributing a fruity, banana-like character valued in flavor and fragrance work.

In coatings and industrial cleaning, this compound dissolves nitrocellulose, acrylics, and vinyl resins, offering a slower evaporation rate that improves flow and leveling in spray-applied finishes. Metalworking and lubricant formulators use it as a carrier solvent to aid in the deposition of active compounds onto metal surfaces.

In personal care, it functions as a solvent and fragrance ingredient in nail care products, hair preparations, and skin formulations. Food manufacturers use it as a flavoring agent under FEMA 2544 to impart fruity, cheese-like, or banana notes in baked goods, dairy products, and beverages.

The product is supplied as a clear liquid in drums and IBC totes for bulk industrial procurement. It is available in technical grade for solvent and metalworking applications and in food/flavor grade meeting FEMA and FCC specifications for use in consumable products.

Other Names (Synonyms)

Pentyl methyl ketone|n-pentyl methyl ketone|n-Amyl methyl ketone|methyl-n-amyl ketone|methyl pentyl ketone|Methyl N-pentyl ketone|Methyl amyl ketone|Amyl methyl ketone|MAK

Key Technical Features

  • High Purity Grade standard
  • Consistent Batch Quality
  • Full Regulatory & REACH Support
  • Global Logistics Network enabled

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Physical Properties

Melting Point -35.5 °C
Boiling Point 111 °C @ Press: 21 Torr
Density 0.8068 g/cm³ @ Temp: 30 °C
Flash Point 106 °F
Appearance Methyl amyl ketone is a clear colorless liquid with a mild, banana-like odor.
Color Clear colorless
Odor at 10.00 % in dipropylene glycol. fruity spicy sweet herbal coconut woody
Form Liquid
Water Solubility 4.3 g/L (20 ºC)
Vapor Pressure 2.14 mm Hg ( 20 °C)
Refractive Index n 20/D 1.408(lit.)
Log P 2.26 at 30℃

Documentation

Safety & Handling Learn More

Warning
GHS02· Flammable GHS07· Irritant GHS08· Health Hazard

Hazard Statements

H226 Flammable liquid and vapor
H302 Harmful if swallowed
H305 May be harmful if swallowed and enters airways
H315 Causes skin irritation

Precautionary Statements

P210 Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
P233 Keep container tightly closed.
P240 Ground and bond container and receiving equipment.
P241 Use explosion-proof [electrical/ventilating/lighting/…] equipment.

Trade & Regulatory

HS Code 29141990
UN Number 2810
ADR Class 6.1
Packing Group III
Storage Class 3 - Flammable liquids
WGK (Germany) 2
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