Acid Yellow 25

酸性黄RN

Also known as: C.I. Acid Yellow 25, Acid Yellow RN, Belacid Yellow R, Fast Yellow MR, Lanaperl Yellow R, Midlon Yellow R, Novamina Yellow R, Optamine Yellow R, Oxanal Yellow R, Supracid Yellow R, Supramine Yellow R, Acidol Yellow GE, Aminyl Yellow E-RL, Covanyl Yellow RN, Diacid Fast Yellow R, Egacid Yellow R, Mnltacid Yellow R, Yellow R, Benzenesulfonic acid, 4-[4,5-dihydro-3-methyl-4-[(E)-2-[4-methyl-3-[(phenylamino)sulfonyl]phenyl]diazenyl]-5-oxo-1H-pyrazol-1-yl]-, sodium salt (1:1), Sodium 4-(3-methyl-4-{(E)-[4-methyl-3-(phenylsulfamoyl)phenyl]diazenyl}-5-oxo-4,5-dihydro-1H-pyrazol-1-yl)benzenesulfonate

Acid Yellow 25 (CAS 6359-85-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C23H20N5NaO6S2 and a molecular weight of 549.555 g/mol. It is also known as C.I. Acid Yellow 25, Acid Yellow RN and Belacid Yellow R. Key property: a density of 1.5 g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

6359-85-9

Jingsj CID

J-20976-4

Molecular Formula

C₂₃H₂₀N₅NaO₆S₂

Chinese Name

酸性黄RN

Molecular Weight

549.555 g/mol

Category

Organic Acids

Last updated

8/21/2026