Disperse Blue 257

分散兰 257

Also known as: C.I. Disperse Blue 257, Blue 3RF, Disperse Blue 3R-SF, Desron Blue S-2RF, Begacron Blue 3RSF, Kayalon Polyester Blue 3R-SF, Kiwalon Polyester Blue 3RF

Disperse Blue 257 (CAS 84931-03-3) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C21H23BrN6O5 and a molecular weight of 519.35 g/mol. It is also known as C.I. Disperse Blue 257, Blue 3RF and Disperse Blue 3R-SF. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
84931-03-3
Jingsj CID
J-923814-7
Molecular Formula
C21H23BrN6O5
Chinese Name
分散兰 257
Molecular Weight
519.35 g/mol
Category
Organic Compounds
Last updated
8/21/2026

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Frequently Asked Questions

What is the CAS number of Disperse Blue 257?

The CAS number of Disperse Blue 257 is 84931-03-3.

What are the molecular formula and molecular weight of Disperse Blue 257?

Disperse Blue 257 has molecular formula C21H23BrN6O5 and molecular weight 519.35 g/mol.

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

Last updated:

How to cite: Jingsj. "Disperse Blue 257 (CAS 84931-03-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-923814-7 (accessed 2026-10-25).

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