2-methyl-2,4-pentanediol，
HEXASOL
formula：C6H14O2
CAS NO. [107-41-5]
Structure 
SPECIFICATIONS VALUES
Appearance at 20°C .................... Clear liquid free from suspended materials
Color (Pt-Co) ........................................................................................................................ ≤ 10
Purity (% by weight) ......................................................................................................... ≥ 99.0
Water Content (% by weight) ........................................................................................ ≤ 0.10
Acidity as acetic acid (% by weight) ........................................................................... ≤ 0.005
Density at 20°C (g/cm3 ) ....................................................................................... 0.920 - 0.923
Distillation range (°C) ............................................................................................ 195.0 - 200.0
PHYSICAL DATA
Molecular weight .................................................................................................................. 118.18
Boiling point at 1013 hPa .................................................................................................. 197.5 °C
Vapor pressure at 20°C............................. ...........................................................................0.07 hPa
Relative evaporation rate (n-butyl acetate = 1) ..................................................................... 0.01
Freezing point .............................................................................................................................. - 40 °C
Viscosity at 20°C .................................. ..................................................................................... 38 mPa.s
Surface tension at 25°C .......................... .......................................................................... 28.5 mN/m
Refractive index at 20 °C.......................... .................................................................................. 1.4276
Latent heat of vaporization .....................................................................................................452 kJ/kg
Specific heat (liquid at 20°C) ..................... ....................................................................... 1.99 kJ/kg/K
Heat of combustion at 25°C......................... ...................................................................... 29880 kJ/kg
Flash point (closed cup) .................................................................................................................... 97 °C
Autoignition temperature ............................................................................................................... 306 °C
Explosivity limits in air (lower / upper)....................................................................... 1.3 / 9.0 % (v/v)
Electrical conductivity at 22 °C .................. ............................................................................ 0.24 µS/m
Water solubility at 20 °C ......................... ...................................................................................complete
Azeotrope with water : none
Hansen solubility parameters at 25°C ( ∂t, ∂d, ∂p, ∂h) ............ 25.2 / 15.8 / 8.4 / 17.8 MPa1/2
APPLICATIONS
Paints, inks and varnishes : Co-solvent for water based paints, and solvent in oil based & glycerophtalic paints used to increase the drying time.
Chemical synthesis : Used on polyurethane formulations to increase the polymer molecular weight.
Detergents, Lubricants : Synthesis intermediates in the manufacturing of additives.
Textile and leathers : Additive for spinning, dyeing, weaving of natural & synthetic fibers. Softening agent, anti-wrinkle, anti-static – coemulsion agent. Solubilisation enhancer and wettability agent.
Fire Extinguisher foams : Used as solvent and stabiliser for hydrolysed protein based emulsions.
Pharmaceutical industry : Solvent of hydrophilic / hydrophobic molecules used during their extraction from plants.
Others : Co-solvent in cleaning formulation for automotive industry. Used on aircraft industry to detect scratches in metal pieces. Anti-freeze. For further information, please contact our technical services
