Erythrosin B
赤藓红
Also known as: 2',4',5',7'-TETRAIODOFLUORESCEIN DISODIUM SALT, 2',4',5',7'-TETRAIODO-FLUORESCEINE DISODIUM SALT, ACID RED 51 SODIUM SALT, ERYTHROSIN EXTRA BLUISH, ERYTHROSIN, DISODIUM SALT, ERYTHROSINE, ERYTHROSINE B, ERYTHROSINE B STAIN
Erythrosin B (CAS 49746-10-3) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C17H19NO5 and a molecular weight of 317.33600 g/mol. It is also known as 2',4',5',7'-TETRAIODOFLUORESCEIN DISODIUM SALT, 2',4',5',7'-TETRAIODO-FLUORESCEINE DISODIUM SALT and ACID RED 51 SODIUM SALT. Key properties include a melting point of 300ºC, a boiling point of 693.2ºC at 760 mmHg and a flash point of 373ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 49746-10-3
- Jingsj CID
- J-1333334-0
- Molecular Formula
- C17H19NO5
- Chinese Name
- 赤藓红
- Molecular Weight
- 317.33600 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 300ºC |
|---|---|
| Boiling Point | 693.2ºC at 760 mmHg |
| Flash Point | 373ºC |
Frequently Asked Questions
What is the CAS number of Erythrosin B?
The CAS number of Erythrosin B is 49746-10-3.
What are the molecular formula and molecular weight of Erythrosin B?
Erythrosin B has molecular formula C17H19NO5 and molecular weight 317.33600 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Erythrosin B (CAS 49746-10-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1333334-0 (accessed 2026-10-24).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.