San Esters Corporation: Tert-Butyl Methacrylate (TBMA)
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PropertiesSpecificationsTypical Properties
Color when shipped (APHA)20 max.5 max.
Specific gravity (20C/4C)0.874~0.8800.878
Acidity (As Methacrlic acid) %0.05 max.0.004
Purity % - PSDBn/an/a
Purity % - Brominationn/an/a
Purity % - Gaschromatography99.0 min.99.7
Purity % - Othersn/an/a
Water when shipped (By Karl Fisher) %0.1 max.0.01
Inhibitors - HQ ppmn/a
Inhibitors - MEHQ ppm200
Inhibitors - IA ppmn/a
Package & Net weight170kg Iron drum
Formula weight142.20
Refractive index (nD1.4196
Viscosity (mPss,20C)0.93
Freezing point CBelow -60
Specifuc heat J/(g C)2.01
Heat of polymerization kJ/mol54.5
Boiling point C/hPa67/93, 52/47
Solubility % 20C - Water in0.30
Solubility % 20C - In water0.05
Flash point C29.5
Toxicity (Acute oral LD50,rats,mg/kg)7,300
Tg of Polymer107