Index Specification Appearance Colorless or light-yellow transparent liquid Color( APHA) 80MAX Acidity( mgKOH/ g) 0.10MAX Water Content 0.10% MAX Flash Point 210 Viscosity( 25° C) 67± 2CPS Phosphorus Content 9.40% Refractive Index 1.4630-1.4645 Specific Gravite 1.280-1.290