Acid Blue 129:1

酸性蓝 P-RLS

Also known as: 1-Amino-4-[(2,4,6-trimethyl-3-sulfophenyl)amino]-9,10-dihydro-9,10-dioxoanthracene-2-sulfonic acid 2-sodium salt, 1-amino-9,10-dioxo-4-(2,4,6-trimethyl-3-sulfoanilino)anthracene-2-sulfonate, 2-Anthracenesulfonic acid,1-amino-9,10-dihydro-9,10-dioxo-4-((2,4,6-trimethyl-3-sulfophenyl)amino)-,monosodium salt, C.I. 62059, C.I. Acid Blue 129:1, Midlon Fast Blue ER, Best Acid Blue PRLS, Polan Blue ERN

Acid Blue 129:1 (CAS 82944-37-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C23H19N2NaO8S2 and a molecular weight of 538.52500 g/mol. It is also known as 1-Amino-4-[(2,4,6-trimethyl-3-sulfophenyl)amino]-9,10-dihydro-9,10-dioxoanthracene-2-sulfonic acid 2-sodium salt, 1-amino-9,10-dioxo-4-(2,4,6-trimethyl-3-sulfoanilino)anthracene-2-sulfonate and 2-Anthracenesulfonic acid,1-amino-9,10-dihydro-9,10-dioxo-4-((2,4,6-trimethyl-3-sulfophenyl)amino)-,monosodium salt. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
82944-37-4
Jingsj CID
J-1378958-1
Molecular Formula
C23H19N2NaO8S2
Chinese Name
酸性蓝 P-RLS
Molecular Weight
538.52500 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Frequently Asked Questions

What is the CAS number of Acid Blue 129:1?

The CAS number of Acid Blue 129:1 is 82944-37-4.

What are the molecular formula and molecular weight of Acid Blue 129:1?

Acid Blue 129:1 has molecular formula C23H19N2NaO8S2 and molecular weight 538.52500 g/mol.

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

Last updated:

How to cite: Jingsj. "Acid Blue 129:1 (CAS 82944-37-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1378958-1 (accessed 2026-10-25).

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