2-(2H-Benzotriazol-2-yl)-4,6-di-tert-pentylphenol
2-(2H-苯并三唑-2-基)-4,6-二叔戊基苯酚
Also known as: UV-328, Tinuvin 328, Ultraviolet absorbent UV-328, 2-(3,5-Di-tert-amyl-2-hydroxyphenyl)benzotriazole, 2-(2H-Benzotriazol-2-yl)-4,6-bis(1,1-dimethylpropyl)phenol, Cyasorb UV-2337, 2-(2H-Benzotriazol-2-yl)-4,6-bis(2-methylbutan-2-yl)phenol, Benzotriazole UV 328
2-(2H-Benzotriazol-2-yl)-4,6-di-tert-pentylphenol (CAS 25973-55-1) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C22H29N3O and a molecular weight of 351.485 g/mol. It is also known as UV-328, Tinuvin 328 and Ultraviolet absorbent UV-328. Key properties include a melting point of 80-83°C, a boiling point of 469.1±55.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 237.5±31.5 °C. It is classified under GHS with signal word Warning and hazard statements H373 — May cause damage to organs through prolonged exposure and H413. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 25973-55-1
- Jingsj CID
- J-1515491-6
- Molecular Formula
- C22H29N3O
- Chinese Name
- 2-(2H-苯并三唑-2-基)-4,6-二叔戊基苯酚
- Molecular Weight
- 351.485 g/mol
- Category
- Alcohols
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 80-83°C |
|---|---|
| Boiling Point | 469.1±55.0 °C at 760 mmHg |
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 237.5±31.5 °C |
| Exact Mass | 351.231049 |
| PSA | 50.94000 |
| LogP | 8.28 |
| Vapor Pressure | 0.0±1.2 mmHg at 25°C |
| Refractive Index | 1.575 |
GHS Safety & Compliance
- H373 — May cause damage to organs through prolonged exposure
- H413
Customs & Trade Information
| HS Code | 2933990090 |
|---|---|
| Summary | 2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of 2-(2H-Benzotriazol-2-yl)-4,6-di-tert-pentylphenol?
The CAS number of 2-(2H-Benzotriazol-2-yl)-4,6-di-tert-pentylphenol is 25973-55-1.
What are the molecular formula and molecular weight of 2-(2H-Benzotriazol-2-yl)-4,6-di-tert-pentylphenol?
2-(2H-Benzotriazol-2-yl)-4,6-di-tert-pentylphenol has molecular formula C22H29N3O and molecular weight 351.485 g/mol.
Is 2-(2H-Benzotriazol-2-yl)-4,6-di-tert-pentylphenol hazardous?
2-(2H-Benzotriazol-2-yl)-4,6-di-tert-pentylphenol has GHS signal word Warning and hazard statements H373 — May cause damage to organs through prolonged exposure; H413.
What are the upstream and downstream products of 2-(2H-Benzotriazol-2-yl)-4,6-di-tert-pentylphenol?
For 2-(2H-Benzotriazol-2-yl)-4,6-di-tert-pentylphenol, Upstream Products: 2-(2H-Benzotriazol-2-yl)-4,6-bis(tert-pentyl)phenol N-oxide.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2-(2H-Benzotriazol-2-yl)-4,6-di-tert-pentylphenol (CAS 25973-55-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1515491-6 (accessed 2026-10-28).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.