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

Toluidine Blue O C.I. 52040

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Price: £346.46

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Stock Availability

On Shelf - Approx. UK delivery date: Monday the 13th 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, Jersey and Guernsey.

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

Toluidine Blue O is a dark green to black powder and is often used to demonstrate mast cell granules and Nissl substance. Also known as Basic Blue 17

Hazard Phrases: Not considered harmful under normal laboratory conditions

Cas No: 92-31-9

Einecs No: 202-146-2