Food Black 2

食品黑2

Also known as: C.I. Food Black 2, C.I. 27755, Black No. 2, Black 7984, 6-Amino-4-hydroxy-3-[[7-sulfo-4-[(4-sulfophenyl)azo]-1-naphthyl]azo]-2,7-naphthalenedisulfonic acid tetrasodium salt, tetrasodium 6-amino-4-hydroxy-3-[[7-sulphonato-4-[(4-sulphonatophenyl)azo]-1-naphthyl]azo]naphthalene-2,7-disulphonate, tetrasodium (3E)-6-amino-4-oxo-3-[[7-sulfinato-4-[(4-sulfonatophenyl)diazenyl]naphthalen-1-yl]hydrazinylidene]naphthalene-2,7-disulfonate, MFCD02752594

Food Black 2 (CAS 2118-39-0) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C26H15N5Na4O13S4 and a molecular weight of 825.64200 g/mol. It is also known as C.I. Food Black 2, C.I. 27755 and Black No. 2. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 2118-39-0
Jingsj CID: J-1094644-8
Molecular Formula: C₂₆H₁₅N₅Na₄O₁₃S₄
Chinese Name: 食品黑2
Molecular Weight: 825.64200 g/mol
Category: Organic Compounds
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of Food Black 2?

The CAS number of Food Black 2 is 2118-39-0.

What are the molecular formula and molecular weight of Food Black 2?

Food Black 2 has molecular formula C26H15N5Na4O13S4 and molecular weight 825.64200 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. "Food Black 2 (CAS 2118-39-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1094644-8 (accessed 2026-10-25).

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