Mordant Black 7

媒介黑7

Also known as: Acid Mordant Black 7, Black PBB, Chrome Black P2B(70:100), C.I. Mordant Black 7, C.I. Mordant Black 7, monosodium salt, C.I. 16505, sodium 5-chloro-3-[(1,5-dihydroxy-2-naphthyl)azo]-2-hydroxybenzenesulphonate, 5-Chloro-3-[(1,5-dihydroxy-2-naphthalenyl)azo]-2-hydroxybenzenesulfonic acid sodium salt, sodium,5-chloro-3-[2-(1,5-dioxonaphthalen-2-yl)hydrazinyl]-2-hydroxybenzenesulfonate, EINECS 222-808-4

Mordant Black 7 (CAS 3618-60-8) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C16H10ClN2NaO6S and a molecular weight of 416.76800 g/mol. It is also known as Acid Mordant Black 7, Black PBB and Chrome Black P2B(70:100). No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 3618-60-8
Jingsj CID: J-1352766-0
Molecular Formula: C₁₆H₁₀ClN₂NaO₆S
Chinese Name: 媒介黑7
Molecular Weight: 416.76800 g/mol
Category: Organic Compounds
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of Mordant Black 7?

The CAS number of Mordant Black 7 is 3618-60-8.

What are the molecular formula and molecular weight of Mordant Black 7?

Mordant Black 7 has molecular formula C16H10ClN2NaO6S and molecular weight 416.76800 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. "Mordant Black 7 (CAS 3618-60-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1352766-0 (accessed 2026-10-26).

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