Bromocresol purple (BCP) or 5′,5″-dibromo-o-cresolsulfophthalein, is a pH indicator. In its sultone form, it has a pKa value of 6.3, and is usually prepared as a 0.04% aqueous solution.
Bromocresol Purple Free Acid
£7.56 – £49.80
- Biological Stain
- pH Indicator
Minimum Assay: 90%
Molecular Formula: C21H16Br2O5S
Molecular Weight: 540.22 g/mol
Melting Point: 240°C
Visual Transition Interval:
From pH 5.2 (Yellow)
To pH 6.8 (Purple)
Hazard Phrases: Not considered harmful under normal laboratory conditions
HS CODE: 32129000
Following the UK’s departure from the EU on 1 January 2021, all European shipments are sent on a DAP Basis (Delivered at Place).
This means that the buyer will be liable for import VAT at their prevailing national rate and for orders over 150€ (including carriage) import duties will become chargeable at your prevailing national rate.
The Duty is ascertained by your national customs authority based on the HS Code of each product. The HS Code is shown in the “European Shipment” section of each product page.
5gm, 10gm, 25gm, 50gm, 100gm