Direct Violet 51

直接紫51

Also known as: C.I. Direct Violet 51, Direct Violet BB, Direct Fast Violet BB, 2-Naphthalenesulfonic acid, 3-[[4-[(2,4-dimethyl-6-sulfophenyl)azo]-2-methoxy-5-methylphenyl]azo]-4-hydroxy-7-(phenylamino)-, disodium salt, CI 27905, Carta Violet 3B, Diazol Violet B, Direct Helio B, Durazol Helio B, Durazol Helio BP, Durazol Helio BS, Violet 2B, abcolfastheliob

Direct Violet 51 (CAS 5489-77-0) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C32H27N5Na2O8S2 and a molecular weight of 719.69500 g/mol. It is also known as C.I. Direct Violet 51, Direct Violet BB and Direct Fast Violet BB. Key property: a density of 1.41g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
5489-77-0
Jingsj CID
J-8572-2
Molecular Formula
C32H27N5Na2O8S2
Chinese Name
直接紫51
Molecular Weight
719.69500 g/mol
Category
Organic Compounds
Last updated
8/21/2026

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Physicochemical Properties

Density1.41g/cm3

Frequently Asked Questions

What is the CAS number of Direct Violet 51?

The CAS number of Direct Violet 51 is 5489-77-0.

What are the molecular formula and molecular weight of Direct Violet 51?

Direct Violet 51 has molecular formula C32H27N5Na2O8S2 and molecular weight 719.69500 g/mol.

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

Last updated:

How to cite: Jingsj. "Direct Violet 51 (CAS 5489-77-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-8572-2 (accessed 2026-10-23).

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