TRIPHENYL PHOSPHATE
CAS 115-86-6
EPA lists this substance on the non-confidential Toxic Substances Control Act Chemical Substance Inventory as Phosphoric acid, triphenyl ester.
This is a TSCA industrial chemistry record, not a food or flavor assessment. Presence on the TSCA Inventory says a substance is in US commerce. It says nothing about whether it may be used in food, and this substance is not FEMA GRAS. For flavor ingredients see the FEMA GRAS lookup.
Commercial activity status
Active
EPA designates this substance active in US commerce, so no Notice of Activity Form B is required before manufacturing. What active and inactive mean.
EPA regulatory flags
EPA marks this listing with 2 flags. Each one is shown with EPA's own definition and what it obliges.
Indicates a substance that is the subject of a final TSCA section 4 test rule or order.
What it obliges: Testing and submission of the resulting data, on the terms of the rule or order. It also drops the Chemical Data Reporting threshold from 25,000 to 2,500 pounds.
Indicates a substance that is the subject of a proposed TSCA section 4 test rule or order.
What it obliges: Nothing yet. Worth tracking, because a final rule carries testing obligations and a lower reporting threshold.
Identity
- CAS number
- 115-86-6
- Molecular formula
- C18H15O4P
- Molecular weight
- 326.30
- InChIKey
- XZZNDPSIHUTMOC-UHFFFAOYSA-N
What this page does not establish
It reports what EPA publishes about CAS 115-86-6 in the July 2026 release of the non-confidential Inventory. It does not report the contents of any order or rule that a flag points at, because EPA does not publish those on the Inventory, and it does not say whether a particular use of yours is permitted.
It is also not a food or flavor clearance. This substance carries no FEMA GRAS number.
From the EPA non-confidential TSCA Inventory, July 2026 release. EPA also maintains a confidential portion it does not publish. Search the Inventory · Browse substances A to Z · All regulatory flags