Table 2.

Relevant Physicochemical and Environmental Properties for p,p’-DDD and Analogues^a

Chemical	p,p’-DDD	p,p’-DDT	p,p’-DDE	Methoxychlor
Molecular weightb	320.045	354.4901	318.0292	345.651
Melting point (°C)b	109.5	108.5	89	87
Boiling point (°C)b	350	Not available	336	346
Vapor Pressure (mm Hg at 25 °C)b	1.35 × 10−6	1.60 × 10−7(20 °C)	6.0 × 10−6 c	2.58 × 10−6
Henry’s Law Constant (atm-m3/mole at 25 °C)b	6.60 × 10−6	8.32 × 10−6	4.16 × 10−5	2.03 × 10−7
Water solubility (mg/L) at 25 °Cb	0.09	0.0055	0.04	0.1
Log Kowb	6.02	6.91	6.51	5.08
Bioconcentration factor (BCF)d	2,710–51,000	600 – 84,500	27,500–81,000	138–8,300

^aValues represent experimental measures

^bData were sourced from ChemIDplus (2017) unless otherwise specified

^cATSDR (2002a)

^dHSDB (2017)