Forensic Applications for 1,4-Dioxane and Solvent Stabilizers - Environmental Investigation and Remediation - page 430

TABLE 9.6 (continued)
Summary of the Potential for High-Boiling Stabilizers to Become Concentrated

Effective Solubilities of Stabilizers Concentrated in Still Bottoms

Mass Fraction in Still
Bottoms (wt%)

Aqueous Solubility
(mg/L)

Effective Solubility
(mg/L)

Solubility Ratio
(Solvent:Stabilizer)

Stabilizer
Concentration d (μg/L) Mole Fraction

Stabilizers of Methyl Chloroform
1,4-Dioxane 16.6 0.20 10,000,000 2,045,261 0.00017

>100,000

Nitromethane 2.7 0.048 11,100 530 0.67

>10,000

2-Methyl-3-butyn-2-ol 15.3 0.20 10,000,000 1,963,840 0.00018

>100,000

Nitroethane 3.3 0.047 45,000 2127 0.17

>10,000

Methyl chloroform 62.1 0.50 700 353 — —

Stabilizers of Trichloroethylene
Pyridine 0.94 0.015 10,000,000 154,850 0.007 >100,000

Epichlorohydrin 0.30 0.0043 65,900 281 3.83 >1000

p - tert -Amyl phenol 0.026 0.00022 168 0.037 28,911

<1