Acid Red 13

酸性红13

Also known as: Fast Red E, C.I. Acid Red 13, C.I. 16045, C.I. Food Red 4, Disodium 4-[(2-hydroxy-6-sulphonatonaphthyl)azo]naphthalenesulphonate, Acid Red 13 (C.I.), Erio Rubine B

Acid Red 13 (CAS 6039-95-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C20H12N2Na2O7S2 and a molecular weight of 502.43 g/mol. It is also known as Fast Red E, C.I. Acid Red 13 and C.I. 16045. No supplier offers are currently listed; request a quote. Record last updated Aug 27, 2026.

CAS No.
6039-95-8
Jingsj CID
J-1623907-8
Molecular Formula
C20H12N2Na2O7S2
Chinese Name
酸性红13
Molecular Weight
502.43 g/mol
Category
Organic Acids
Last updated
8/27/2026

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Frequently Asked Questions

What is the CAS number of Acid Red 13?

The CAS number of Acid Red 13 is 6039-95-8.

What are the molecular formula and molecular weight of Acid Red 13?

Acid Red 13 has molecular formula C20H12N2Na2O7S2 and molecular weight 502.43 g/mol.

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

Last updated:

How to cite: Jingsj. "Acid Red 13 (CAS 6039-95-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1623907-8 (accessed 2026-10-24).

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