- industrial
Tri(o-nonylphenyl) phosphite
CAS 16784-72-8
Concern score
Not assessed — no hazard data yet.
Tri(o-nonylphenyl) phosphite in plain language
Also known as Phenol, 2-NONYL-, 1,1',1''-PHOSPHITE · Tris(2-nonylphenyl) phosphite · Alkanox TNPP · Irgastab CH 55 · J175.124G · Lowinox TNPP
Show all 21 names
Nonylphenyl phosphite (3:1) · Phosphorous acid TRIS(2-NONYLPHENYL) ester · Phenol, 2-nonyl-, 1,1?,1??-phosphite · Phenol, 2-nonyl-, phosphite (3:1) · Phenol, o-nonyl-, phosphite (3:1) · Phosphorous acid, tris(o-nonylphenyl) ester · Tris (monononylphenyl) phosphite · Tris(mono-nonylphenyl)phosphite · Tris(o-nonylphenyl) phosphite · UNII-7KV2DH7E7A · UNII-E423N4NW2Z · Weston 399 · Weston TNPP · o-Nonylphenol, phosphite (3:1) · tri(nonylphenyl) phosphite
Used in consumer products as an antioxidant.
- Antioxidant
- We haven't assessed a concern score for this ingredient yet.
Regulation
No restrictions found. Tri(o-nonylphenyl) phosphite appears in these published regulatory listings.
- Found in consumer products
- Industrial
USEPAcommercial use observedEPA CPDat observed this chemical in 0 composition records across product categories including unclassified products. EPA CPDat classifies this chemical for functional uses including Processing aids not otherwise specified, Heat stabilizer, Antioxidant.
- EPA CPDat observed this chemical in 0 composition records across product categories including unclassified products. EPA CPDat classifies this chemical for functional uses including Processing aids not otherwise specified, Heat stabilizer, Antioxidant.Source →
USFDAlisted in openFDA substanceopenFDA substance registry classifies this ingredient as chemical.
- openFDA substance registry classifies this ingredient as chemical.Source →
Evidence & sources
No graded research studies for Tri(o-nonylphenyl) phosphite yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.
Where this comes from
Reference links (1)
Suitability
Context-specific fit derived from published classifications and the current ingredient evidence profile.
Fragrance avoidance
Nothing to weigh for this context yet.
We have no published hazard signal for this ingredient, so we cannot say how it behaves in this context — that is missing evidence, not a clean result.
Where it has been recorded
How often EPA CPDat has listed Tri(o-nonylphenyl) phosphite in a product composition. These are source records, not Greenveil catalog products.
Named organisations
1
Typical roles
Antioxidant