Triphenyl methane derivatives and method of quantitatively measu

Details Triphenyl methane derivatives and method of quantitatively measu Triphenyl methane derivatives and method of quantitatively measu

1984-09-11

1986-09-23

Siegel, Alan

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

436135, C09B 1110

Patent

active

046134654

ABSTRACT:
Disclosed herein is a novel compound which is excellent in solubility to water around a neutral range, stable in an aqueous solution state for a long period of time, and high in coloring sensitivity with a stable coloring development, and is represented by the general formula (I): ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4, which may be the same as or different from one another, represent lower alkyl groups, and X.sub.1 and X.sub.2 both represent --O(CH.sub.2).sub.n SO.sub.3 M in which M is a hydrogen atom, an alkali metal ion or NH.sub.4.sup.+, and n is an integer of 2-4, or either of X.sub.1 and X.sub.2 represents --O(CH.sub.2).sub.n SO.sub.3 M in whch M and n are the same meanings as given above and the other represents a hydrogen atom. This reagent is hardly susceptible of the influence of the serum components such as hemoglobin, bilirubin and so on due to its color having absorption on a longer wavelength side. Disclosed is also a method of quantitatively measuring an oxidative substance, particularly, hydrogen peroxide, by using this color test reagent.

REFERENCES:
patent: 1470554 (1923-10-01), Craver
patent: 3739000 (1973-06-01), Lodolini et al.

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