Reactive Blue 4

活性艳蓝X-BR

Also known as: Procion Blue MX-R, Procion Brilliant Blue, C.I. Reactive Blue 4, C.I. 61205, Reactive Brilliant Blue X-BR, 1-Amino-4-[[3-[(4,6-dichloro-1,3,5-triazin-2-yl)amino]-4-sulfophenyl]amino]-9,10-dihydro-9,10-dioxo-2-anthracenesulfonic acid, 1-Amino-4-[3-(4,6-dichlorotriazin-2-ylamino)-4-sulfophenylamino]anthraquinone-2-sulfonic acid, Mikacion Brilliant Blue S-R, Ambifix Blue CR, Active Brilliant Sky Blue KKH

Reactive Blue 4 (CAS 13324-20-4) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C23H14Cl2N6O8S2 and a molecular weight of 637.42900 g/mol. It is also known as Procion Blue MX-R, Procion Brilliant Blue and C.I. Reactive Blue 4. Key property: a density of 1.86g/cm3. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
13324-20-4
Jingsj CID
J-29821-2
Molecular Formula
C23H14Cl2N6O8S2
Chinese Name
活性艳蓝X-BR
Molecular Weight
637.42900 g/mol
Category
Organic Compounds
Last updated
8/21/2026

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Physicochemical Properties

Density1.86g/cm3

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of Reactive Blue 4?

The CAS number of Reactive Blue 4 is 13324-20-4.

What are the molecular formula and molecular weight of Reactive Blue 4?

Reactive Blue 4 has molecular formula C23H14Cl2N6O8S2 and molecular weight 637.42900 g/mol.

Is Reactive Blue 4 hazardous?

Reactive Blue 4 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. "Reactive Blue 4 (CAS 13324-20-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-29821-2 (accessed 2026-10-22).

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