Dowanol™ TPM

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Dowanol™ TPM

DOWANOL™ TPM
Tripropylene glycol methyl ether

Product Description
DOWANOL™ TPM glycol ether is a hydrophilic, slow-evaporating glycol ether with an excellent active solvency and coupling power. DOWANOL™ TPM glycol ether is an ideal choice of emollient in cosmetic formulations and has high boiling and flash points.

Typical Physical
Molecular Weight (g/mol)                            206.3
Boiling Point @ 760 mmHg, 1.01 ar         243 °C (469 °F)
Flash Point (Setaflash Closed Cup           124 °C (255 °F)
Freezing Point                                                   -78 °C (-108°F)
Vapor pressure@ 20°C — extrapolated  0.01 mmHg (1.7 Pa)
Specific gravity (25/25°C)                             0.965
Liquid Density @ 20°C                                   0.965 g/cm3
                               @ 25°C                                   0.962 g/cm3
Vapor Density (air = 1)                                    7.15
Viscosity (mm2/s @ 25°C)                             5.5

Heat of vaporization (J/g) at normal boiling point:  210
Net heat of combustion (kJ/g) — predicted @ 25°C:  27.8
Autoignition temperature 277 °C (531 °F)
Evaporation rate (n-butyl acetate = 1.0)    <0.01
Solubility, g/100 or % @ 25°C - Solvent in water:  100%

Hansen solubility parameters 
(J/cm³)1/2                              15.1
_d (Dispersion)                     3.5
_p (Polar)                                11.5
_h (Hydrogen bonding)

CAS#: 25498-49-1


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