Direct Black 9

直接黑9

Also known as: Direct Black FF, Direct Black L-N, C.I. Direct Black 9, C.I. 31560, C.I. 31565, EINECS 232-321-9, Atul Direct Black FR, Dinamine Fast Black FR, Dycosdirect Black FF, Phenamine Black F, Phenamine Black FCW, Pontamine Fast Black CN

Direct Black 9 (CAS 8003-62-1) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C32H23N9Na2O7S2 and a molecular weight of 755.69100 g/mol. It is also known as Direct Black FF, Direct Black L-N and C.I. Direct Black 9. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 8003-62-1
Jingsj CID: J-1345306-2
Molecular Formula: C₃₂H₂₃N₉Na₂O₇S₂
Chinese Name: 直接黑9
Molecular Weight: 755.69100 g/mol
Category: Organic Compounds
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of Direct Black 9?

The CAS number of Direct Black 9 is 8003-62-1.

What are the molecular formula and molecular weight of Direct Black 9?

Direct Black 9 has molecular formula C32H23N9Na2O7S2 and molecular weight 755.69100 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. "Direct Black 9 (CAS 8003-62-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1345306-2 (accessed 2026-10-25).

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