Frequently Encountered Extractables and Their ko/w and kp/l Values
| Extractable | CAS RN | Log ko/w2 | Approximate kp/l | ||
|---|---|---|---|---|---|
| PVC3 | Polyolefin4 | Rubber5 | |||
| Stearic acid, pH 3 | 57-11-4 | 7.82 | >106 | 41,900 | 13,200 |
| Stearic acid, pH 9 | 57-11-4 | 4.21 | 1830 | 221 | 141 |
| 2-Ethylhexanoic acid, pH 3 | 149-57-5 | 2.57 | 62.9 | 7.17 | 17.9 |
| 2-Ethylhexanoic acid, pH 9 | 149-57-5 | –1.03 | 0.039 | 0.0039 | 0.194 |
| Caprolactam | 105-60-2 | –0.04 | 0.295 | 0.031 | 0.673 |
| Bisphenol A | 80-05-7 | 3.64 | 566 | 67.2 | 68.8 |
| Cyclic ester CE 228 (I) | 5578-82-5 | 1.19 | 3.69 | 0.400 | 3.16 |
| Cyclic ester CE270 | 94113-50-5 | 2.49 | 53.3 | 6.07 | 16.2 |
| Butylated hydroxytoluene (BHT) | 128-37-0 | 5.17 | 13,100 | 1650 | 471 |
| 3-(3,5-Di-tert-butyl-4-hydroxyphenyl)propionic acid,1 pH 3 | 20170-32-5 | 3.54 | 461 | 54.5 | 60.7 |
| 3-(3,5-Di-tert-butyl-4-hydroxyphenyl)propionic acid,1 pH 9 | 20170-32-5 | –0.12 | 0.251 | 0.026 | 0.609 |
| 7,9-bis(1,1-dimethylethyl)-1-oxaspiro[4.5]deca-6,9-diene-2,8-dione1 | 82304-66-3 | 2.47 | 51.2 | 5.82 | 15.8 |
| Mono-(2-ethylhexyl) phthalate (MEHP), pH 3 | 4376-20-9 | 4.39 | 2640 | 322 | 177 |
| Mono-(2-ethylhexyl) phthalate (MEHP), pH 9 | 4376-20-9 | 1.39 | 5.57 | 0.608 | 4.06 |
| Di-(2-ethylhexyl) phthalate (DEHP) | 117-81-7 | 8.52 | >106 | >106 | 31,763 |
| Irganox 1010 | 6683-19-8 | 18.8 | >106 | >106 | >106 |
| Irgafos 168 | 31570-04-4 | 13.7 | >106 | >106 | >106 |