Table 2.

The results of data treatment with principal component analysis. Dark red is for very negative values, yellow is for neutral values and green stands for positive values.

	Comp. 1	Comp. 2	Comp. 3
Melting point	−0.4448	−0.1465	−0.0451
Boiling point	−0.4963	−0.0883	0.0598
Density	−0.0607	−0.0709	−0.4854
Water solubility	0.1150	−0.3744	0.0708
Vapor pressure	0.3478	0.0295	−0.0888
log Henry law const	0.1247	0.5103	0.0289
log KOW	−0.2462	0.4340	0.1635
log KOA	−0.4352	−0.1795	0.1165
log Oral LD50	−0.0528	0.0933	0.5678
log Inhalation LC50	0.2287	0.0600	0.4662
log fish LC50	0.1673	−0.2642	0.2638
log BOD t1/2	0.0848	0.2915	−0.3085
log BCF	−0.2492	0.4202	0.0174