Table VII.
Reflux Extractables Levels in Unprocessed PVC (GC/MS). All are Identified Compounds Against Retention Time and MS Library or Analytical Standard, Except for Starred Entries. Concentrations (g/g) are Reported Based on a Response Factor from a Surrogate Standard
| Identified compounds | CAS no. | Reflux with IPA | Reflux with hexane | Reflux with pH 9.5 |
|---|---|---|---|---|
| 6–10 h | 6–10 h | 24 h | ||
| Di-2-ethylhexyl phthalate (DEHP) | 117-81-7 | 67,000 | 56,000 | 40 |
| (Z)-13-Docosenamide (erucamide) | 112-84-5 | 4300 | 820 | 3.9 |
| Tetradecanoic acid (myristic acid) | 544-63-8 | ND | ND | 1.3 |
| Hexadecanoic acid (palmitic acid) | 57-10-3 | 21 | NDc | 3.7 |
| 2-ethyl hexanol | 104-76-7 | 17 | 7.5 | 4.7 |
| Nonanal | 124-19-6 | 1.6 | 1.6 | NDd |
| Phthalic acid | 88-99-3 | 1 | 1.3 | 4.3 |
| 2,6-bis(1,1-dimethylethyl)-4-methyl-phenol (BHT) | 128-37-0 | 17 | 15 | ND |
| Benzoic acid, 2-ethylhexyl estera | 5444-75-7 | 27 | 27 | ND |
| 2-Pentadecanone, 6,10,14-trimethyl- b | 502-69-2 | 1.8 | 1.6 | ND |
| Isopropyl palmitate | 142-91-6 | 51 | ND | ND |
| Methyl palmitate | 112-39-0 | ND | 1.9 | ND |
| iso-Propyl octadecanoatea | 112-10-7 | 21 | ND | ND |
| Tributylacetylcitrate | 77-90-7 | ND | 4.8 | ND |
| Stearic acid, 9,10-epoxy-, isopropyl esterb | 95007-80-0 | 70 | ND | ND |
| Docosanamide | 3061-75-4 | 110 | 23 | ND |
| -Sitosterol acetate | 915-05-9 | 5.1 | 4.6 | ND |
| Tris(2-ethylhexyl) trimellitate | 3319-31-1 | 9.6 | 5.4 | ND |
| Hexanoic acid | 142-62-1 | ND | ND | 0.32 |
| Nonanoic acid | 112-05-0 | ND | ND | 1.2 |
| Dodecanoic acid | 143-07-7 | ND | ND | 0.46 |
| Octadecanoic acid (stearic acid) | 57-11-4 | ND | ND | 0.82 |
aMost probable compound—mass spectrum matches a library or literature spectrum and the presence of the compound is confirmed by data provided by the sponsor or material supplier
bTentatively identified compound—data have been obtained that are consistent with a class of molecule only. Or, the mass spectrum matches a library or literature spectrum
cMethyl palmitate detected in profile
dNonanoic acid detected in profile
ND not detected