Direct Red 75 tetrasodium salt
直接红75
Also known as: Sirius Rose BB, Chlorazol Fast Pink, C.I. Direct Red 75, C.I. 25380, Direct Fast Pink BK, Tetrasodium 5,5'-[carbonylbis[imino(2-sulfonato-4,1-phenylene)azo]]bis(6-amino-4-hydroxynaphthalene-2-sulfonate), Vital New Red
Direct Red 75 tetrasodium salt (CAS 2829-43-8) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C33H22N8Na4O15S4 and a molecular weight of 990.792 g/mol. It is also known as Sirius Rose BB, Chlorazol Fast Pink and C.I. Direct Red 75. Key property: a density of 1.9g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 2829-43-8
- Jingsj CID
- J-44954-6
- Molecular Formula
- C33H22N8Na4O15S4
- Chinese Name
- 直接红75
- Molecular Weight
- 990.792 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Density | 1.9g/cm3 |
|---|---|
| Exact Mass | 989.967834 |
| PSA | 445.39000 |
| LogP | 10.29140 |
| Refractive Index | 1.82 |
Frequently Asked Questions
What is the CAS number of Direct Red 75 tetrasodium salt?
The CAS number of Direct Red 75 tetrasodium salt is 2829-43-8.
What are the molecular formula and molecular weight of Direct Red 75 tetrasodium salt?
Direct Red 75 tetrasodium salt has molecular formula C33H22N8Na4O15S4 and molecular weight 990.792 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Direct Red 75 tetrasodium salt (CAS 2829-43-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-44954-6 (accessed 2026-10-28).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.