SONGWON · SONGSORB CS 328
Supplier-listed identity match; purity, additives, performance and origin require separate confirmation.
Supplier reference ↗← Materials Library
MATERIAL PROFILE / Individual substance
2-(2-Hydroxy-3,5-di-tert-amylphenyl)benzotriazole
CAS: 25973-55-1
Function: UV absorber research ingredient
Compare this material →Awaiting human verification
This material’s published information has not yet been verified by a human reviewer.
Human verification concerns the stated information and scope. It is separate from an EcoSafe score, certification or safety approval.Overview
Individual chemical identity in the common-material baseline. Chemical identity only; purity, grade and supplier composition require separate documentation. Category placement is an editorial research grouping, not a suitability recommendation. Monomers, precursors and curing ingredients are not finished resins or ready-to-use coatings.
Chemistry: 2-(2-Hydroxy-3,5-di-tert-amylphenyl)benzotriazole
Listed supplier: Supplier not selected · substance baseline
Chemical identity
- Molecular formula
- C22H29N3O
- Molecular weight
- 351.5 g/mol (identity reference)
- IUPAC name
- 2-(benzotriazol-2-yl)-4,6-bis(2-methylbutan-2-yl)phenol
- PubChem CID
- 33263
Chemical identity only; purity, grade and supplier composition require separate documentation.
Identity snapshot: 2026-11-01 UTC.
CAS identity reference ↗Core data coverage: 43.75%
7 of 16 defined fields are recorded with a source. This measures structured information currently on this site, not the completeness of every linked PDF. Missing fields remain in the denominator.
Coverage is separate from scientific accuracy, human verification and EcoSafe assessment. Molecular fields may not apply to a grade or family; they are not filled from another material to increase its score.
See the 16 fields and remaining gaps
| Core field | Recorded information |
|---|---|
| Chemical name | 2-(2-Hydroxy-3,5-di-tert-amylphenyl)benzotriazole Source ↗ |
| CAS number | 25973-55-1 Source ↗ |
| Synonyms | Not yet recorded / may not apply |
| Molecular formula | C22H29N3O Source ↗ |
| Molecular weight | 351.5 Source ↗ |
| IUPAC name | 2-(benzotriazol-2-yl)-4,6-bis(2-methylbutan-2-yl)phenol Source ↗ |
| PubChem CID | 33263 Source ↗ |
| Identity sources | https://pubchem.ncbi.nlm.nih.gov/compound/33263 Source ↗ Source reference recorded for this record's scope; source freshness is a separate review. |
| Uses | Not yet recorded / may not apply |
| Hazards | Not yet recorded / may not apply |
| Appearance | Not yet recorded / may not apply |
| Density | Not yet recorded / may not apply |
| Melting point | Not yet recorded / may not apply |
| Boiling point | Not yet recorded / may not apply |
| Solubility | Not yet recorded / may not apply |
| SDS/TDS | Not yet recorded / may not apply |
Documents & supplier information
Archived copies are dated references. Confirm the latest document for your supplier, grade and region.
An exact-grade regional SDS has not yet been archived for this material.
Supplier and range references
Original supplier / material reference ↗Suppliers & makers
Confirm grade, composition, current availability and production location directly with the supplier.
Related supplier-family research
SONGWON · UV absorbers
A family research lead, not a confirmed supplier of this exact substance.
Family reference ↗Documents, origin & assessment
- Supplier documents
- See Documents & supplier information above for linked references and gaps.
- Manufacturing origin
- Not verified
- EcoSafe assessment
- Not assessed · no numerical points or certification
Identity data and category placement do not establish safety, suitability or environmental performance. Obtain current grade-specific documentation.
Industries & categories
Industrial Chemicals
Functional Additives · Specialty Chemicals
Plastics & Rubber Polymers
UV Absorbers & Light Stabilizers · Polymer Additives & Processing Aids
Coatings
Acrylic Coatings · Epoxy Coatings · Polyurethane Coatings · Alkyd Coatings · Polyester Coatings · Silicone Coatings
Sources
Original material source ↗Library source check: November 2, 2026. Sources may require supplier access.