Hydrogenated 4,4′-isopropylidene-diphenolphosphite ester resins
Hydrogenated 4,4′-isopropylidene-diphenolphosphite ester resinsThese phosphite ester resins were used as stabilisers in plastics, protecting the polymer during processing. The FDA prohibits them in materials intended to contact food.
Where it is and isn’t permitted
| Jurisdiction | Status | Scope and limits | Citation |
|---|---|---|---|
| United States | Prohibited | Prohibited from indirect addition to human food through food-contact surfaces. | 21 CFR 189.300retrieved 2026-09-07 |
| Codex Alimentarius | Not listedDoes not appear on this jurisdiction’s permitted list. That is not the same as being prohibited. |
What it is made from
Synthetic phosphite esters built on a bisphenol A backbone and then hydrogenated. Like the other Subpart D entries they are a component of a food-contact material, not an ingredient of food.
Every name it appears under
1 recorded name. A label may use any of them.
As it appears in regulation
- Hydrogenated 4,4′-isopropylidene-diphenolphosphite ester resins
Hazard reference values
No reference value for this substance in the sources we hold.
Evidence and how bodies read it
Studies, and the differing conclusions regulators drew from them, are curated by hand rather than machine-read, and none has been written for this substance yet.
Sources for this page
- ecfr retrieved 2026-09-07
Full licence terms and publisher details on Sources. How this page is built and updated: Method.
Machine-readable:/api/v1/additives/hydrogenated-4-4-isopropylidene-diphenolphosphite-ester-resins.json