2,7-Naphthalenedisulfonic acid, 3-[2-[4-(phenylamino)-1-naphthalenyl]diazenyl]-

阿法明红R显色基

Also known as: Alphamine Red R Base, 3-(4-Anilino-1-naphthylazo)-2,7-naphthalenedisulfonic acid, 3-(4-anilino-[1]naphthylazo)-naphthalene-2,7-disulfonic acid, 3-((4-(phenylamino)naphthalen-1-yl)diazenyl)naphthalene-2,7-disulfonic acid, Alphamine Red R, NSC 5338

2,7-Naphthalenedisulfonic acid, 3-[2-[4-(phenylamino)-1-naphthalenyl]diazenyl]- (CAS 57322-42-6) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C26H19N3O6S2 and a molecular weight of 533.57600 g/mol. It is also known as Alphamine Red R Base, 3-(4-Anilino-1-naphthylazo)-2,7-naphthalenedisulfonic acid and 3-(4-anilino-[1]naphthylazo)-naphthalene-2,7-disulfonic acid. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

57322-42-6

Jingsj CID

J-873993-9

Molecular Formula

C₂₆H₁₉N₃O₆S₂

Chinese Name

阿法明红R显色基

Molecular Weight

533.57600 g/mol

Category

Organic Compounds

Last updated

8/21/2026