Reactive Blue 81
活性蓝81
Also known as: C.I. 18245, C.I. Reactive Blue 81, Reactive Blue M2R, Acticrom Brilliant Blue F2R, Reactive Blue H 5G, Helaktyn Blue F 2R, 5-[(4,6-Dichloro-1,3,5-triazin-2-yl)amino]-4-hydroxy-3-[[4-(phenylamino)-3-sulfophenyl]azo]-2,7-naphthalenedisulfonic acid trisodium salt, 5-[(4,6-Dichloro-1,3,5-triazin-2-yl)amino]-4-hydroxy-3-[2-[4-(phenylamino)-3-sulfophenyl]diazenyl]-2,7-naphthalenedisulfonic acid sodium salt
Reactive Blue 81 (CAS 75030-18-1) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C25H14Cl2N7O10S3.3Na and a molecular weight of 808.503 g/mol. It is also known as C.I. 18245, C.I. Reactive Blue 81 and Reactive Blue M2R. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 75030-18-1
- Jingsj CID
- J-933787-7
- Molecular Formula
- C25H14Cl2N7O10S33Na
- Chinese Name
- 活性蓝81
- Molecular Weight
- 808.503 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 Blue 81?
The CAS number of Reactive Blue 81 is 75030-18-1.
What are the molecular formula and molecular weight of Reactive Blue 81?
Reactive Blue 81 has molecular formula C25H14Cl2N7O10S3.3Na and molecular weight 808.503 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Reactive Blue 81 (CAS 75030-18-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-933787-7 (accessed 2026-10-23).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.