Property

Typical Value, Units

Molecular Weight    

286.4 

Empirical Formula    

Appearance    

Free from insoluble matter and haze 

Purity    

98 wt % min.

Acidity   as Isobutyric Acid 

0.05 wt % max.

Specific Gravity   @ 20°C/20°C 

0.942-0.948 

Surface Tension   @25°C 

27.56 dynes/cm

Saponification Equivalent    

144.8 

Refractive Index    

1.43 n(25°C/D)

Boiling Point   @760 mmHg 

281°C (537.8°F)

Freezing Point    

-70°C (-94°F)

Flash Point   ClevelandOpen Cup 

143°C (290°F)

Fire Point   ClevelandOpen Cup 

152°C (305°F)

Autoignition Temperature    

424°C (795°F)

Solubility   in Water, @20°C 

0.42 g/L

Evaporation Rate   @100°C 

0.674 

Hydrolysis   after 96 hr @ 98-99°C 

0.003%

Viscosity,Brookfield  a @25°C 

9 cP

Wt/Vol   @20°C 

7.86 lb/gal

Assay    

98.6 wt % min.

Color   Pt-Co 

30 max.