1.Diethanolamine (DEA) 2.Excellent quality 3. ... Solubility: 2,specific weight(D oC):1.08, 3,m.p.: 28, 4,refractive index: 476,Uses,As purificant of gases ... C b.p. 269.1 °C, specific weight(D °C ) 1.08,m.p. 28°C, refractive index 476, flash point: ... lower than in carbon tetrachloride at 25°C Quality Index Index nameTop-gradeAppearanceColorless or yellowish ropy liquidOdorSlightly ammoniacPurity (% wt ...