C.I. Fluorescent Brightener 135

荧光增白剂135

Also known as: Fluorescent brightener 135, Optical Brightener 135, 2,2'-(1,2-Ethenediyl)bis(5-methylbenzoxazole), 1,2-Bis(5-methyl-2-benzoxazolyl)ethylene, 2,2'-Vinylenebis(5-methylbenzoxazole), Optical Brightening Agent PF, Fluorescent brightening agent 135, α,β-Di(5-methylbenzoxazol-2-yl)ethene

C.I. Fluorescent Brightener 135 (CAS 12224-12-3) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C18H14N2O2 and a molecular weight of 290.316 g/mol. It is also known as Fluorescent brightener 135, Optical Brightener 135 and 2,2'-(1,2-Ethenediyl)bis(5-methylbenzoxazole). Key properties include a boiling point of 471.2±55.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 237.3±25.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
12224-12-3
Jingsj CID
J-1529117-6
Molecular Formula
C18H14N2O2
Chinese Name
荧光增白剂135
Molecular Weight
290.316 g/mol
Category
Organic Compounds
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point471.2±55.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point237.3±25.5 °C

Frequently Asked Questions

What is the CAS number of C.I. Fluorescent Brightener 135?

The CAS number of C.I. Fluorescent Brightener 135 is 12224-12-3.

What are the molecular formula and molecular weight of C.I. Fluorescent Brightener 135?

C.I. Fluorescent Brightener 135 has molecular formula C18H14N2O2 and molecular weight 290.316 g/mol.

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

Last updated:

How to cite: Jingsj. "C.I. Fluorescent Brightener 135 (CAS 12224-12-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1529117-6 (accessed 2026-10-26).

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