Application: Ionophore for Cl- selective electrode



Chemical Name: 2,7-Di-tert-butyl-9,9-dimethyl-4,5-bis(N En-butylthioureido)xanthene
CAS: 187404-67-7

Appearance: White or slightly yellow powder
Purity: ≥98.0% (HPLC)
MW: 582.91, C33H50N4OS2

Storage Condition: ambient temperature
Shipping Condition: ambient temperature

Product Description
Bisthiourea-1 is a chloride-selective neutral ionophore, and it is utilized for preparation of chloride electrodes. Bisthiourea-1 forms a 1:1 complex with chloride ion. The detection limit of chloride ion using Bisthiourea-1 is (6.5+3.0) x 10-6 M.

1. K. P. Xiao, et al., A Chloride Ion-Selective Solvent Polymeric Membrane Electrode Based Forming Ionophore. Anal Chem. 1997;69:1038-1044.
2. P. Buhlmann, et al., Strong Hydrogen Bond-Mediated Complexation of H2PO4 - by Neutral Bis-Thiourea Hosts. Tetrahedron. 1997;53:1647-1654.

Item # Description/Size Availability Qty Break Price Quantity
25 mg
8-14 business days 1 CALL

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