Reactive Red 66
活性红66
Also known as: C.I. Reactive Red 66, C.I. 17555, Disodium (6E)-5-(2-{4-[(2-bromoacryloyl)amino]-2-sulfonatophenyl}hydrazino)-6-(methylimino)-4-oxo-4,6-dihydro-2-naphthalenesulfonate
Reactive Red 66 (CAS 12226-33-4) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C20H15BrN4Na2O8S2 and a molecular weight of 629.36900 g/mol. It is also known as C.I. Reactive Red 66, C.I. 17555 and Disodium (6E)-5-(2-{4-[(2-bromoacryloyl)amino]-2-sulfonatophenyl}hydrazino)-6-(methylimino)-4-oxo-4,6-dihydro-2-naphthalenesulfonate. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 12226-33-4
- Jingsj CID
- J-1992281-2
- Molecular Formula
- C20H15BrN4Na2O8S2
- Chinese Name
- 活性红66
- Molecular Weight
- 629.36900 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 Reactive Red 66?
The CAS number of Reactive Red 66 is 12226-33-4.
What are the molecular formula and molecular weight of Reactive Red 66?
Reactive Red 66 has molecular formula C20H15BrN4Na2O8S2 and molecular weight 629.36900 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Reactive Red 66 (CAS 12226-33-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1992281-2 (accessed 2026-10-24).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.