International Shipping

We do not offer international shipping to countries within the European Union

We can only ship non-hazardous products to Rest of World

Eosin Y C.I. 45380

Price: £6.16
Stock Availability:

Compare all Pack Sizes

Stock Availability
On Shelf - Approx. UK delivery date: Wednesday the 01st October 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 Stain
  • H & E Stain
  • Cytoplasmic Stain

Eosin Y is a dark red-brown powder which is often used as a counterstain in the haematoxylin and eosin method

  • C.I. 45380
  • Dye Content: 89%
  • Molecular Formula: C20H6Br4Na2O5
  • Molecular Weight: 691.86 g/mol
  • Melting Point: >300 °C
  • Insoluble Matter: 0.08%
  • Loss on Drying: 1.9%
  • Solubility in Water: Soluble

Hazard Phrases: Causes serious eye irritation. May be Harmful if Swallowed

Prec Phrases: Wear protective gloves/protective clothing/eye protection/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

Harmful CLP Image

Cas No: 17372-87-1
Einecs No: 241-409-6
FP: N/A

Payment Methods

We can also accept a bank transfer (UK Only)

Source Chemicals Ltd