Comparisons between Hygroscopic Measurements and UNIFAC Model Predictions for Dicarboxylic Organic Aerosol Mixtures

Table 1

Chemical properties of organic compounds.

Compound name	Chemical formula	Molar mass (g/mol)	Density (g/cm^3)	Solubility (g/100 g) at 25°C	Manufacturer
Malonic acid	C3H4O4; (HOOC–CH2–COOH)	104.06	1.619^a	161^b	Alfa Aesar
Succinic acid	C4H6O4; (HOOC–(CH2)2–COOH)	118.09	1.572^a	8.8^b	Sigma-Aldrich
Glutaric acid	C5H8O4; (HOOC–(CH2)3–COOH)	132.12	1.429^a	116^b	Alfa Aesar

 ^aLide [29]; ^bsummarized in Saxena and Hildemann [30].