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

Eriochrome Black T C.I. 14645

Price: £10.93
Stock Availability:

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Stock Availability
On Shelf - Approx. UK delivery date: Monday the 22nd 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
  • Water Hardness Indicator
  • Indicator for Metal Titration

Eriochrome Black T is a complexometric indicator that is part of the complexometric titrations, e.g. in the water hardness determination process.

  • C.I. 14645
  • Dye Content: >60%
  • Molecular Formula: C20H12N3NaO7S
  • Molecular Weight: 461.39 g/mol
  • Strength: 100% +/- 5%
  • Shade: within visual tolerances
  • Loss on Drying: <1%
  • Solubility in Water: Soluble (Red Solution)

Hazard Phrases: Not considered harmful under normal laboratory conditions

Cas No: 1787-61-7
Einecs No: 217-250-3

Payment Methods

We can also accept a bank transfer (UK Only)

Source Chemicals Ltd