Direct Orange S

直接橙S

Also known as: Benzo Orange S, Chlorazol Orange R, Diphenyl Orange SE, Direct Brilliant Orange R, Fabramine Oranges, Multicuer Oranges, Pamanil Oranges-26, Pyrazol Orange S, Pyrazol Orange SE, Atul leather Orange DCS, Aizen Fast Oranges, Disodium 7,7'-(carbonyldiimino)bis(4-hydroxy-3-(phenylazo)naphthalene-2-sulphonate), Disodium 7,7'-(carbonyldiimino)bis[4-hydroxy-3-(phenylazo)naphthalene-2-sulphonate], Disodium 7,7'-(carbonyldiimino)bis{4-hydroxy-3-[(E)-phenyldiazenyl]-2-naphthalenesulfonate}, (3E)-4-oxo-7-[[(6E)-5-oxo-6-(phenylhydrazinylidene)-7-sulfonaphthalen-2-yl]carbamoylamino]-3-(phenylhydrazinylidene)naphthalene-2-sulfonic acid

Direct Orange S (CAS 3626-36-6) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C33H22N6Na2O9S2 and a molecular weight of 756.672 g/mol. It is also known as Benzo Orange S, Chlorazol Orange R and Diphenyl Orange SE. Key property: a density of 450 - 500 kg/m3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

3626-36-6

Jingsj CID

J-1336129-5

Molecular Formula

C₃₃H₂₂N₆Na₂O₉S₂

Chinese Name

直接橙S

Molecular Weight

756.672 g/mol

Category

Organic Compounds

Last updated

8/21/2026