Acid Brown 121
酸性棕 H
Also known as: 4-Hydroxy-5-[[3-[(2-hydroxy-5-nitrophenyl)azo]-2,4-dihydroxyphenyl]azo]-3-[(4-nitrophenyl)azo]naphthalene-2,7-disulfonic acid disodium salt, Acid Brown H, Brown SFR, C.I. 33520, Corium Acid Dark Brown MG, EINECS 229-361-4
Acid Brown 121 (CAS 6487-04-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C28H16N8Na2O14S2 and a molecular weight of 798.58100 g/mol. It is also known as 4-Hydroxy-5-[[3-[(2-hydroxy-5-nitrophenyl)azo]-2,4-dihydroxyphenyl]azo]-3-[(4-nitrophenyl)azo]naphthalene-2,7-disulfonic acid disodium salt, Acid Brown H and Brown SFR. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 6487-04-3
- Jingsj CID
- J-1354254-4
- Molecular Formula
- C28H16N8Na2O14S2
- Chinese Name
- 酸性棕 H
- Molecular Weight
- 798.58100 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quoteFrequently Asked Questions
What is the CAS number of Acid Brown 121?
The CAS number of Acid Brown 121 is 6487-04-3.
What are the molecular formula and molecular weight of Acid Brown 121?
Acid Brown 121 has molecular formula C28H16N8Na2O14S2 and molecular weight 798.58100 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Acid Brown 121 (CAS 6487-04-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1354254-4 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.