Eosin Y disodium salt
Also known as: Acid Red 87, Eosin Y, Eosin disodium, C.I. 45380, Tetrabromofluorescein disodium salt, Eosine yellowish, Disodium 2-(2,4,5,7-tetrabromo-6-oxido-3-oxo-3H-xanthen-9-yl)benzoate, Eosin YS, Red 22, D&C Red No. 22
Eosin Y disodium salt (CAS 17372-87-1) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C20H6Br4Na2O5 and a molecular weight of 691.854 g/mol. Key properties include a melting point of >300°C, a boiling point of 682.3ºC at 760mmHg, a density of 1.02 g/mL at 20 °C and a flash point of 11 °C. It is classified under GHS with signal word Warning and hazard statements H319 — Causes serious eye irritation. It is listed by 1 supplier; request a quote for pricing. Record last updated Nov 3, 2026.
- CAS No.
- 17372-87-1
- Jingsj CID
- J-41101-7
- Molecular Formula
- C20H6Br4Na2O5
- Molecular Weight
- 691.854 g/mol
- Category
- Organic Compounds
- Last updated
- 11/3/2026
| Supplier | Purity / Pack | Base Price | Unit Price | Origin | |
|---|---|---|---|---|---|
Made to Order | - | - | CN China |
Physicochemical Properties
| Melting Point | >300°C |
|---|---|
| Boiling Point | 682.3ºC at 760mmHg |
| Density | 1.02 g/mL at 20 °C |
| Flash Point | 11 °C |
| Exact Mass | 687.674377 |
| PSA | 81.65000 |
| LogP | 7.59220 |
| Additional Property | freely soluble |
GHS Safety & Compliance
- H319 — Causes serious eye irritation
Activity & Biological Data
| Additional Information | [1]. Hari DP, König B. Synthetic applications of eosin Y in photoredox catalysis. Chem Commun (Camb). 2014;50(51):6688-6699. [2]. National Center for Biotechnology Information. PubChem Compound Summary for CID 20388, Dibromofluorescein. |
|---|
Customs & Trade Information
| HS Code | 2932999099 |
|---|---|
| Summary | 2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of Eosin Y disodium salt?
The CAS number of Eosin Y disodium salt is 17372-87-1.
What are the molecular formula and molecular weight of Eosin Y disodium salt?
Eosin Y disodium salt has molecular formula C20H6Br4Na2O5 and molecular weight 691.854 g/mol.
Which suppliers offer Eosin Y disodium salt?
1 supplier(s) listed; request a quote for pricing.
Is Eosin Y disodium salt hazardous?
Eosin Y disodium salt has GHS signal word Warning and hazard statements H319 — Causes serious eye irritation.
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 disodium salt (CAS 17372-87-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-41101-7 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.