Octrizole

奥克三唑

Also known as: UV-329, Tinuvin 329, Cyasorb 5411, 2-(2H-Benzotriazol-2-yl)-4-(1,1,3,3-tetramethylbutyl)phenol, 2-(2-Hydroxy-5-tert-octylphenyl)benzotriazole, EUSORB 323, Primesorb 5411, BHSORB-329

Octrizole (CAS 3147-75-9) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C20H25N3O and a molecular weight of 323.432 g/mol. It is also known as UV-329, Tinuvin 329 and Cyasorb 5411. Key properties include a melting point of 106-108 °C(lit.), a boiling point of 471.8±55.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 239.2±31.5 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
3147-75-9
Jingsj CID
J-1114545-1
Molecular Formula
C20H25N3O
Chinese Name
奥克三唑
Molecular Weight
323.432 g/mol
Category
Organic Compounds
Last updated
8/21/2026

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Physicochemical Properties

Melting Point106-108 °C(lit.)
Boiling Point471.8±55.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point239.2±31.5 °C

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of Octrizole?

The CAS number of Octrizole is 3147-75-9.

What are the molecular formula and molecular weight of Octrizole?

Octrizole has molecular formula C20H25N3O and molecular weight 323.432 g/mol.

Is Octrizole hazardous?

Octrizole has GHS signal word Warning.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Octrizole (CAS 3147-75-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1114545-1 (accessed 2026-10-25).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.