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1-(2-Cyanostyryl)-4-(4-cyanostyryl)benzene

1-邻氰苯乙烯基-4-对氰苯乙烯基苯

Also known as: Fluorescent Brightener ER-II, Fluorescent Brightener 199:1, Optical Brightener 199:1, C.I. 199-2, ER-II, FBA 199:1, 2-[2-[4-[2-(4-Cyanophenyl)vinyl]phenyl]vinyl]benzonitrile, 2-[2-[4-[2-(4-Cyanophenyl)ethenyl]phenyl]ethenyl]benzonitrile, MFCD08458271, fluorescent brightener er-ii

1-(2-Cyanostyryl)-4-(4-cyanostyryl)benzene (CAS 13001-38-2) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C24H16N2 and a molecular weight of 332.39700 g/mol. It is also known as Fluorescent Brightener ER-II, Fluorescent Brightener 199:1 and Optical Brightener 199:1. Key properties include a melting point of 181-186ºC, a boiling point of 573.5ºC at 760 mmHg, a density of 1.18 g/cm3 and a flash point of 274.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
13001-38-2
Jingsj CID
J-1061415-8
Molecular Formula
C24H16N2
Chinese Name
1-邻氰苯乙烯基-4-对氰苯乙烯基苯
Molecular Weight
332.39700 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point181-186ºC
Boiling Point573.5ºC at 760 mmHg
Density1.18 g/cm3
Flash Point274.1ºC

Frequently Asked Questions

What is the CAS number of 1-(2-Cyanostyryl)-4-(4-cyanostyryl)benzene?

The CAS number of 1-(2-Cyanostyryl)-4-(4-cyanostyryl)benzene is 13001-38-2.

What are the molecular formula and molecular weight of 1-(2-Cyanostyryl)-4-(4-cyanostyryl)benzene?

1-(2-Cyanostyryl)-4-(4-cyanostyryl)benzene has molecular formula C24H16N2 and molecular weight 332.39700 g/mol.

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

Last updated:

How to cite: Jingsj. "1-(2-Cyanostyryl)-4-(4-cyanostyryl)benzene (CAS 13001-38-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1061415-8 (accessed 2026-10-26).

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