Acid Red 87
Synonym(s):Solvent red 43;Acid Red 87;Eosin yellowish;Bromo acid J. TS, XL, or XX;Bromofluorescein
- CAS NO.：548-26-5
- Empirical Formula: C20H6Br4Na2O5
- Molecular Weight: 647.89
- MDL number: MFCD00036189
- EINECS: 241-409-6
- SAFETY DATA SHEET (SDS)
- Update Date: 2025-12-17 09:49:33
What is Acid Red 87?
Chemical properties
Red, crystalline powder. Soluble in alcohol and acetic acid; insoluble in water. The potassium and sodium salts are soluble in water.
The Uses of Acid Red 87
Dyeing silk, cotton, and wool; red writing ink; cosmetic products; biological stain; coloring motor fuel.
Definition
ChEBI: Eosin YS dye is an organic sodium salt that is 2',4',5',7'-tetrabromofluorescein in which the carboxy group and the phenolic hydroxy group have been deprotonated and the resulting charge is neutralised by two sodium ions. It has a role as a fluorochrome and a histological dye. It is an organobromine compound and an organic sodium salt. It contains a 2',4',5',7'-tetrabromofluorescein(2-).
Hazard
Questionable carcinogen.
Properties of Acid Red 87
| storage temp. | Amber Vial, -20°C Freezer, Under inert atmosphere |
| solubility | Methanol (Slightly), Water (Slightly) |
| form | Solid |
| color | Red to Dark Red |
| Stability: | Hygroscopic |
| CAS DataBase Reference | 548-26-5 |
| EPA Substance Registry System | C.I. Acid Red 87 (548-26-5) |
Safety information for Acid Red 87
Computed Descriptors for Acid Red 87
Acid Red 87 manufacturer
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