Acid Yellow 61

酸性黄61

Also known as: Aminyl Yellow E-G, Mitsui Nylon Fast Yellow G, Sandolan Fast Yellow P-L, Suminol Fast Yellow G, Supramin Yellow GW, Tertracid Fast Yellow TW, Benzenesulfonic acid, 2,5-dichloro-4-[4-[(E)-2-[4-[(ethylphenylamino)sulfonyl]phenyl]diazenyl]-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl]-, sodium salt (1:1), Sodium 2,5-dichloro-4-(4-((2-((ethylphenylamino)sulphonyl)phenyl)azo)-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl)benzenesulphonate, Sodium 2,5-dichloro-4-{4-[(E)-{4-[ethyl(phenyl)sulfamoyl]phenyl}diazenyl]-3-methyl-5-oxo-4,5-dihydro-1H-pyrazol-1-yl}benzenesulfonate, EINECS 235-397-1, Benzenesulfonic acid,2,5-dichloro-4-(4-((2-((ethylphenylamino)sulfonyl)phenyl)azo)-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl)-,sodium salt

Acid Yellow 61 (CAS 12217-38-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C24H20Cl2N5NaO6S2 and a molecular weight of 632.471 g/mol. It is also known as Aminyl Yellow E-G, Mitsui Nylon Fast Yellow G and Sandolan Fast Yellow P-L. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

12217-38-8

Jingsj CID

J-1171109-0

Molecular Formula

C₂₄H₂₀Cl₂N₅NaO₆S₂

Chinese Name

酸性黄61

Molecular Weight

632.471 g/mol

Category

Organic Acids

Last updated

8/21/2026