Sulforhodamine B
Also known as: Lissamine rhodamine B, Xylene Red B, Acid Rhodamine B, Sulforhodamine B acid form, Hydrogen 3,6-bis(diethylamino)-9-(2,4-disulfonatophenyl)xanthylium, 4-[6-(Diethylamino)-3-(diethyliminio)-3H-xanthen-9-yl]-1,3-benzenedisulfonate, 9-(2-Sulfonato-4-sulfophenyl)-6-diethylamino-N,N-diethyl-3H-xanthen-3-iminium, Ethanaminium, N-[6-(diethylamino)-9-(2,4-disulfophenyl)-3H-xanthen-3-ylidene]-N-ethyl-, inner salt, SULFORHODAMINE B, SulforhodaMine B, Sulforhodamine B, laser grade
Sulforhodamine B (CAS 2609-88-3) is a compound in the Sulfur Compounds category listed in the Jingsj chemical database. It has the molecular formula C27H30N2O7S2 and a molecular weight of 557.659 g/mol. Key properties include a melting point of >300ºC(lit.) and a density of 1.2175 (rough estimate). No supplier offers are currently listed; request a quote. Record last updated Nov 3, 2026.
- CAS No.
- 2609-88-3
- Jingsj CID
- J-1987220-9
- Molecular Formula
- C27H30N2O7S2
- Molecular Weight
- 557.659 g/mol
- Category
- Sulfur Compounds
- Last updated
- 11/3/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | >300ºC(lit.) |
|---|---|
| Density | 1.2175 (rough estimate) |
| Exact Mass | 557.142151 |
| PSA | 147.72000 |
| LogP | 6.17520 |
| Refractive Index | 1.6900 (estimate) |
Activity & Biological Data
| Additional Information | [1]. Li Y, et al. Fluorescence Anisotropy-Based Signal-Off and Signal-On Aptamer Assays Using Lissamine Rhodamine B as a Label for Ochratoxin A. J Agric Food Chem. 2020 Apr 8;68(14):4277-4283. [2]. Li X, et al. The Synthesis and Evaluations of the (6 8) Ga-Lissamine Rhodamine B (LRB) as a New Radiotracer for Imaging Tumors by Positron Emission Tomography. Biomed Res Int. 2016;2016:8549635. |
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Frequently Asked Questions
What is the CAS number of Sulforhodamine B?
The CAS number of Sulforhodamine B is 2609-88-3.
What are the molecular formula and molecular weight of Sulforhodamine B?
Sulforhodamine B has molecular formula C27H30N2O7S2 and molecular weight 557.659 g/mol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Sulforhodamine B (CAS 2609-88-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1987220-9 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.