Direct Blue 1

直接蓝1

Also known as: Chicago Sky Blue 6B, C.I. Direct Blue 1, C.I. 24410, Pontamine Sky Blue 6B, Chicago Sky Blue, CHICAGO BLUE, CartaBlue2G, paperblue6b, skyblue6b, inkblue6b, modrprima1, nsb6b, PontamineSkyBlueBX, Chicago Sky Blue?B, Tetrasodium 6,6'-[(3,3'-dimethoxy[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis(4-amino-5-hydroxy-1,3-naphthalenedisulfonate), 1,3-Naphthalenedisulfonic acid, 6,6'-[(3,3'-dimethoxy[1,1'-biphenyl]-4,4'-diyl)di-2,1-diazenediyl]bis[4-amino-5-hydroxy-, sodium salt (1:4), Direct Blue 1 Pontamine sky blue, Direct Lake Blue 6B, EINECS 220-026-8, MFCD00004020

Direct Blue 1 (CAS 2610-05-1) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C34H24N6Na4O16S4 and a molecular weight of 992.804 g/mol. It is also known as Chicago Sky Blue 6B, C.I. Direct Blue 1 and C.I. 24410. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

2610-05-1

Jingsj CID

J-24950-0

Molecular Formula

C₃₄H₂₄N₆Na₄O₁₆S₄

Chinese Name

直接蓝1

Molecular Weight

992.804 g/mol

Category

Organic Compounds

Last updated

8/21/2026