Thymolphthalein 92% ACS



Minimum Assay: >95%
Molecular Formula: C28H30O4
Molecular Weight: 430.55
Melting Point: 251-253°
Transition Range pH9.3 – 10.5: Colourless – Blue
Solubility (0.1% in 95% Ethanol: Clear Solution
Wavelength of Max Absorbtion (0.1N NaOH) Lamda Max: 592-596nm
Absorptivity (0.1N NaOH {E1% in 1cm cell @ Lamda Max): >800
Loss on drying (110°C): <5%

Hazard Phrases: Not considered harmful under normal laboratory conditions

Cas No: 125-20-2
Einecs No: 204-729-7

HS CODE: 2932990000


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.


Specification – DOWNLOAD NOW

Additional information

Weight N/A
Pack Size

10gm, 25gm, 50gm, 100gm