Fast Red B salt
固红B
Also known as: 1-Amino-2-methoxy-4-nitrobenzene diazotated 1,5-naphthalenedisulfonate salt, 2-Methoxy-4-nitrobenzenediazonium 1,5-naphthalenedisulfonate salt, 2-Methoxy-4-nitrobenzenediazonium naphthalene-1,5-disulfonate, Fast Red B 1,5-naphthalenedisulfonate salt, Fast red B salt, FastsaltredB, MFCD00036469, RED B SALT
Fast Red B salt (CAS 49735-71-9) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C17H13N3O9S2 and a molecular weight of 467.430 g/mol. It is also known as 1-Amino-2-methoxy-4-nitrobenzene diazotated 1,5-naphthalenedisulfonate salt, 2-Methoxy-4-nitrobenzenediazonium 1,5-naphthalenedisulfonate salt and 2-Methoxy-4-nitrobenzenediazonium naphthalene-1,5-disulfonate. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 49735-71-9
- Jingsj CID
- J-1148-4
- Molecular Formula
- C17H13N3O9S2
- Chinese Name
- 固红B
- Molecular Weight
- 467.430 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quoteFrequently Asked Questions
What is the CAS number of Fast Red B salt?
The CAS number of Fast Red B salt is 49735-71-9.
What are the molecular formula and molecular weight of Fast Red B salt?
Fast Red B salt has molecular formula C17H13N3O9S2 and molecular weight 467.430 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Fast Red B salt (CAS 49735-71-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1148-4 (accessed 2026-10-23).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.