TABLE XIII

Organic Extractables Profile of the Rubber Material as Established by the Testing Performed in this Study; Identified Compounds Reproducibly Extracted from the Test Article at Levels of Approximately 1 μg/g or Greater

IdentificationCAS RNChemical FormulaMolecular WeightConcentration in Material, μg/g
Sealed VesselRefluxSoxhlet
pH 2.5pH 9.5IPA/WIPAHexaneIPAHexane
Octadecanoic (Stearic) acida57-11-4C18H36O2284.47—d10–100100–100010–100100–100010–100>1000
Hexadecanoic (Palmitic) acida57-10-3C16H32O2256.42—d10–00100–100010–100>10010–100>1000
C-21 Oligomerb,d—C21H40292.34—d—d—d100–1000100–1000100–1000100–1000
Oxctadecanoic acid, methyl esterb112-39-0C19H38O2298.50—d1–10>100—d—d—d—d
Hexadecanoic acid, methyl esterb112-61-8C17H34O2270.45—d1–10>100—d—d—d—d
Dimethylterephthalatea120-61-6C10H10O4194.06—d—d—d100–100010–100100–100010–100
Oleamidea301-02-0C18H35NO281.27—d—d—d10–100100–100010–10010–100
Hexadecanoic acid, isopropyl estera142-91-6C19H38O2298.50—d—d610–10010–10010–10010–100
Octadecaneb593-45-3C18H38254.49—d—d—d10–10010–100100–100010–100
Octacosanea630-02-4C28H58394.45—d—d—d10–10010–10010–1001–10
1-(4-Morpholinyl)-octanoic acidb5299-54-7C22H43NO2353.58—d—d—d10–10010–10010–10010–100
Morpholinea110-91-8C4H9NO87.07Pe—d—d10–10010–1001–101–10
Tetracosanea646-31-1C24H50338.39—d—d—d10–10010–10010–1001–10
10-Oxo-octadecanoic acidb870-10-0C19H35O3312.27—d—d10–10010–10010–1001–1010–100
4,4'-Dioctyldiphenylaminea101-67-7C28H43N393.34—d—d—d10–10010–10010–10010–100
Hexadecanamidea629-54-9C15H33NO256.26—d—d—d10–1001–101–10—d
Docosaneb629-97-0C22H46310.36—d—d—d10–1001–101–10—d
Nonadecanoic acidc646-30-0C19H38O2298.50—d10–10010–100—d—d—d—d

  • Notes:

  • ↵a These identifications are classified as confirmed.

  • ↵b These identifications are classified as confident.

  • ↵c These identifications are classified as tentative.

  • ↵d 1-Isopropenyl-2,2,4,4-tetramethyl-6-(2,2,4-trimethyl-pentyl-1-)-cyclohexane.

  • d — = not present in this extract at detectable levels.

  • ↵e P = present in this extract but not quantified.