Eosin Y (alcohol soluble)
Also known as: Solvent Red 43, C.I. Solvent Red 43, 2',4',5',7'-Tetrabromofluorescein, Tetrabromofluorescein, Eosin Y (free acid), 2-(3,6-dihydroxy-2,4,5,7-tetrabromoxanthen-9-yl)benzoic acid, D&C Red No. 21, Japan Red 223, Eosin acid, Eosine acid, Bromeosin, Bromoeosin
Eosin Y (alcohol soluble) (CAS 15086-94-9) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C20H8Br4O5 and a molecular weight of 647.89500 g/mol. Key properties include a melting point of 295ºC, a boiling point of 640.3ºC at 760 mmHg and a density of 1.02 g/mL at 20ºC. It is listed by 1 supplier; request a quote for pricing. Record last updated Nov 2, 2026.
- CAS No.
- 15086-94-9
- Jingsj CID
- J-27179-4
- Molecular Formula
- C20H8Br4O5
- Molecular Weight
- 647.89500 g/mol
- Category
- Alcohols
- Last updated
- 11/2/2026
| Supplier | Purity / Pack | Base Price | Unit Price | Origin | |
|---|---|---|---|---|---|
Made to Order | - | - | CN China |
Physicochemical Properties
| Melting Point | 295ºC |
|---|---|
| Boiling Point | 640.3ºC at 760 mmHg |
| Density | 1.02 g/mL at 20ºC |
| Exact Mass | 687.674377 |
| PSA | 93.40000 |
| LogP | 6.12210 |
| Refractive Index | 1.757 |
| Stability | Stable. Incompatible with strong oxidizing agents. |
| Additional Property | H2O: 0.1 g/mL, dark red |
Activity & Biological Data
| Additional Information | [1]. Hari DP, et al. Synthetic applications of eosin Y in photoredox catalysis. Chem Commun (Camb). 2014;50(51):6688-6699. |
|---|
Frequently Asked Questions
What is the CAS number of Eosin Y (alcohol soluble)?
The CAS number of Eosin Y (alcohol soluble) is 15086-94-9.
What are the molecular formula and molecular weight of Eosin Y (alcohol soluble)?
Eosin Y (alcohol soluble) has molecular formula C20H8Br4O5 and molecular weight 647.89500 g/mol.
Which suppliers offer Eosin Y (alcohol soluble)?
1 supplier(s) listed; request a quote for pricing.
What are the upstream and downstream products of Eosin Y (alcohol soluble)?
For Eosin Y (alcohol soluble), Upstream Products: Fluorescein, Resorcinol, Phthalic anhydride; Downstream Products: Ascaridole, Fumaric acid, Eosin B.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Eosin Y (alcohol soluble) (CAS 15086-94-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-27179-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.