Chlorophosphonazo III - CAS 1914-99-4

Chlorophosphonazo III is an agent sensitive to both calcium and magnesium. It allows for the specific determination of calcium at a pH of 2.2 and both calcium and magnesium at a pH of 7.0. Additionally, Chlorophosphonazo III is utilized in spectrophotometric determination of titanium, zirconium, thorium, scandium, pentavalent actinides, and protactinium.

1914-99-4

C22H16Cl2N4O14P2S2

757.36

O=P(O)(C1=CC(Cl)=CC=C1/N=N/C2=C(C3=C(C=C2S(=O)(O)=O)C=C(S(=O)(O)=O)C(/N=N/C4=CC=C(C=C4P(O)(O)=O)Cl)=C3O)O)O

-20°C

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