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Ethyl Eosin Certified C.I. 45386

Price: £24.95
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Stock Availability
On Shelf - Approx. UK delivery date: Thursday the 11th September 2025*
In bulk stock - ships within 10 - 12 Working Days (Excluding weekends and public holidays)
4 to 6 weeks approx. (Not guaranteed)
UK Shipping

Unfortunately, we are not currently accepting orders for Northern Ireland.

We can only ship to the following postcodes where a Royal Mail postal option has been chosen at checkout.

AB, DD, DG3, DG4, DG6 - DG9, EH, FK, G, HS, IM, IV, KA, KW, KY, ML, PA, PH, PO30 - PO41, TD, TR21 - TR25, ZE

* We will always try to ship as early as possible. Delivery could be much quicker than stated but is not guaranteed
  • Biological Dye

Ethyl eosin is a dark red powder may be used instead of to counterstain alum haematoxylin in the Haematoxylin and Eosin method.

Also used in the Stoval and Black method for illustrating Negri bodies in the central nervous

  • C.I. 45386
  • Dye Content: >80%
  • Molecular Formula: C31H42N3Cl
  • Molecular Weight: 492.15
  • Visual Transition: pH 0.0 (yellow) to pH 3.6 (blue)
  • Insolubles: <1%
  • Moisture: <4%
  • Solubility: Slightly soluble in water
  • Soluble in methanol and ethanol

Hazard Phrases: Not considered harmful under normal laboratory conditions

Cas No: 6359-05-3
Einecs No: 228-793-0

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Source Chemicals Ltd