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Disperse Blue 291

Also known as: C.I. Disperse Blue 291, C.I. 113395, Balicron Blue 6G, Hisperse Navy C-6G, Viosperse Blue 5G, Ambicron Blue SEGBL, Disperse Navy Blue 5G, Terenix Navy Blue F3GL, Kiwalon Polyester Blue 5G, Disperse Navy Blue S-BGF300, N-[2-[(2-bromo-4,6-dinitrophenyl)azo]-5-(diethylamino)-4-methoxyphenyl]acetamide, 2'-[(2-Bromo-4,6-dinitrophenyl)azo]-5'-(diethylamino)-p-acetanisidide, N-{2-[(E)-(2-bromo-4,6-dinitrophenyl)diazenyl]-5-(diethylamino)-4-methoxyphenyl}acetamide

Disperse Blue 291 (CAS 56548-64-2) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C19H21BrN6O6 and a molecular weight of 509.31100 g/mol. Key properties include a boiling point of 700.4ºC at 760mmHg and a density of 1.54. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
56548-64-2
Jingsj CID
J-1088984-6
Molecular Formula
C19H21BrN6O6
Molecular Weight
509.31100 g/mol
Category
Organic Compounds
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point700.4ºC at 760mmHg
Density1.54
Exact Mass508.07100
PSA157.93000
LogP6.61350
Refractive Index1.638

Frequently Asked Questions

What is the CAS number of Disperse Blue 291?

The CAS number of Disperse Blue 291 is 56548-64-2.

What are the molecular formula and molecular weight of Disperse Blue 291?

Disperse Blue 291 has molecular formula C19H21BrN6O6 and molecular weight 509.31100 g/mol.

What are the upstream and downstream products of Disperse Blue 291?

For Disperse Blue 291, Upstream Products: 4-Acetylamino-2-(diethylamino)anisole, 2-Bromo-4,6-dinitroaniline, Nitrosylsulfuric acid.

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

Last updated:

How to cite: Jingsj. "Disperse Blue 291 (CAS 56548-64-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1088984-6 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.