Direct Yellow 34

直接黄3RL

Also known as: C.I. Direct Yellow 34, C.I.29060, tetrasodium 3,3'-[carbonylbis[imino(5-methoxy-2-methyl-4,1-phenylene)azo]]bis(naphthalene-1,5-disulphonate), 1,3-Bis[2-methoxy-5-methyl-4-[[4,8-bis(sodiosulfo)-2-naphthyl]azo]phenyl]urea, 1,5-Naphthalenedisulfonic acid, 3,3'-[carbonylbis[imino(5-methoxy-2-methyl-4,1-phenylene)azo]]bis-, tetrasodium salt, 3,3'-[Carbonylbis[imino(5-methoxy-2-methyl-4,1-phenylene)azo]]bis(naphthalene-1,5-disulfonic acid disodium) salt, 3,3'-[Carbonylbis[imino(5-methoxy-2-methyl-4,1-phenylene)azo]]bis[1,5-naphthalenedisulfonic acid]tetrasodium salt, 3,3'-[Ureylenebis[(5-methoxy-2-methyl-4,1-phenylene)azo]]bis(naphthalene-1,5-disulfonic acid disodium) salt, EINECS 229-158-0, MFCD00071896

Direct Yellow 34 (CAS 6420-33-3) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C37H28N6Na4O15S4 and a molecular weight of 1016.87000 g/mol. It is also known as C.I. Direct Yellow 34, C.I.29060 and tetrasodium 3,3'-[carbonylbis[imino(5-methoxy-2-methyl-4,1-phenylene)azo]]bis(naphthalene-1,5-disulphonate). No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

6420-33-3

Jingsj CID

J-1338591-0

Molecular Formula

C₃₇H₂₈N₆Na₄O₁₅S₄

Chinese Name

直接黄3RL

Molecular Weight

1016.87000 g/mol

Category

Organic Compounds

Last updated

8/21/2026