Mordant Red 21

媒介红21

Also known as: Acid Red 133, C.I. 17995, C.I. Acid Red 133, Acid mordant Red 21, Disodium 4-(benzoylamino)-6-[[4-[(ethyl-1-naphthylamino)carbonyl]phenyl]azo]-5-hydroxynaphthalene-1,7-disulphonate, 1,7-Naphthalenedisulfonic acid, 4-(benzoylamino)-6-[[4-[(ethyl-1-naphthalenylamino)carbonyl]phenyl]azo]-5-hydroxy-, disodium salt, Disodium 4-(benzoylamino)-6-((4-((ethyl-1-naphthylamino)carbonyl)phenyl)azo)-5-hydroxynaphthalene-1,7-disulphonate, 4-(Benzoylamino)-6-[[4-[(ethyl-1-naphtylamino)carbonyl]phenyl]azo]-5-hydroxy-1,7-naphthalenedisulfonic acid disodium salt, Sunchromine Red BG, C.I. Mordant Red 21

Mordant Red 21 (CAS 6417-36-3) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C36H26N4Na2O9S2 and a molecular weight of 768.72300 g/mol. It is also known as Acid Red 133, C.I. 17995 and C.I. Acid Red 133. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

6417-36-3

Jingsj CID

J-1524052-9

Molecular Formula

C₃₆H₂₆N₄Na₂O₉S₂

Chinese Name

媒介红21

Molecular Weight

768.72300 g/mol

Category

Organic Compounds

Last updated

8/21/2026