C.I. Direct Blue 70

直接蓝70

Also known as: Direct Blue 70, C.I. Direct Blue 70, C.I. 34205, Solius Blue FG, Fast Blue RGL, tetrasodium 2-[[4-[[4-[[1-hydroxy-6-(phenylamino)-3-sulphonato-2-naphthyl]azo]-7-sulphonato-1-naphthyl]azo]-1-naphthyl]azo]benzene-1,4-disulphonate, tetrasodium,2-[[4-[[4-[(2E)-2-(6-anilino-1-oxo-3-sulfonatonaphthalen-2-ylidene)hydrazinyl]-7-sulfonatonaphthalen-1-yl]diazenyl]naphthalen-1-yl]diazenyl]benzene-1,4-disulfonate, 1,4-Benzenedisulfonic acid, 2-[[4-[[4-[[1-hydroxy-6-(phenylamino)-3-sulfo-2-naphthalenyl]azo]-7-sulfo-1-naphthalenyl]azo]-1-naphthalenyl]azo]-, tetrasodium salt

C.I. Direct Blue 70 (CAS 6428-58-6) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C42H25N7Na4O13S4 and a molecular weight of 1055.91000 g/mol. It is also known as Direct Blue 70, C.I. 34205 and Solius Blue FG. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 6428-58-6
Jingsj CID: J-1336691-9
Molecular Formula: C₄₂H₂₅N₇Na₄O₁₃S₄
Chinese Name: 直接蓝70
Molecular Weight: 1055.91000 g/mol
Category: Organic Compounds
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of C.I. Direct Blue 70?

The CAS number of C.I. Direct Blue 70 is 6428-58-6.

What are the molecular formula and molecular weight of C.I. Direct Blue 70?

C.I. Direct Blue 70 has molecular formula C42H25N7Na4O13S4 and molecular weight 1055.91000 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "C.I. Direct Blue 70 (CAS 6428-58-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1336691-9 (accessed 2026-10-25).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.