Acid Blue 277

酸性蓝277

Also known as: C.I. Acid Blue 277, C.I. 61203, Nylosan Blue E-4R, Taitilon Blue GLF-T, Triacid Fast Blue 4RL, Weak Acid Brilliant Blue 4R, Blue 4RL, Sodium 1-amino-9,10-dihydro-4-[5-[(2-hydroxyethyl)sulphamoyl]-3,4-xylidino]-9,10-dioxoanthracene-2-sulphonate, Sodium 1-amino-4-({3-[(2-hydroxyethyl)sulfamoyl]-4,5-dimethylphenyl}amino)-9,10-dioxo-9,10-dihydro-2-anthracenesulfonate, 2-Anthracenesulfonic acid, 1-amino-9,10-dihydro-4-[[3-[[(2-hydroxyethyl)amino]sulfonyl]-4,5-dimethylphenyl]amino]-9,10-dioxo-, monosodium salt

Acid Blue 277 (CAS 25797-81-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C24H22N3NaO8S2 and a molecular weight of 567.56700 g/mol. It is also known as C.I. Acid Blue 277, C.I. 61203 and Nylosan Blue E-4R. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

25797-81-3

Jingsj CID

J-1171112-4

Molecular Formula

C₂₄H₂₂N₃NaO₈S₂

Chinese Name

酸性蓝277

Molecular Weight

567.56700 g/mol

Category

Organic Acids

Last updated

8/21/2026