Eosin Y

• Description:

  Eosin Y (Acid Red 87 free base) is a soluble acid red dye molecule. Eosin Y has a wide application in organic synthesis as a photoredox catalyst[1].

• Product Name Alternative:

  Acid Red 87 (free base)

• UNSPSC:

  12171500

• Hazard Statement:

  H302, H315, H319, H335

• Target:

  Fluorescent Dye

• Type:

  Dye Reagents

• Related Pathways:

  Others

• Field of Research:

  Others

• Assay Protocol:

  https://www.medchemexpress.com/eosin-y.html

• Purity:

  99.42

• Solubility:

  DMSO : 125 mg/mL (ultrasonic)

• Smiles:

  O=C1OC2(C3=C(OC4=C2C=C(Br)C(O)=C4Br)C(Br)=C(O)C(Br)=C3)C5=C1C=CC=C5

• Molecular Formula:

  C20H8Br4O5

• Molecular Weight:

  647.89

• Precautions:

  H302, H315, H319, H335

• References & Citations:

  [1]Hari DP, et al. Synthetic applications of eosin Y in photoredox catalysis. Chem Commun (Camb) . 2014;50 (51) :6688-6699.|[2]Poulios, I., et al. (2003) . Photooxidation of eosin Y in the presence of semiconducting oxides. Applied Catalysis B: Environmental, 41 (4), 345-355.

• Shipping Conditions:

  Room Temperature

• Storage Conditions:

  4°C (Powder, protect from light, stored under nitrogen)

• Scientific Category:

  Dye Reagents

• Clinical Information:

  No Development Reported

• Citation 01:

  Anal Chem. 2025 Jun 3;97 (21) :11099-11109.|Sci Rep. 2025 Jul 8;15 (1) :24580.|Int J Chron Obstruct Pulmon Dis. 2024 Aug 8:19:1819-1834.

• CAS Number:

  [15086-94-9]