4-amino-2-methyl-3-phenyl-1-(2,4,6-trichlorophenyl)-3-pyrazolin-

Details 4-amino-2-methyl-3-phenyl-1-(2,4,6-trichlorophenyl)-3-pyrazolin- 4-amino-2-methyl-3-phenyl-1-(2,4,6-trichlorophenyl)-3-pyrazolin-

1986-04-29

1987-12-08

Jiles, Henry R.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

435 10, C07D23146

Patent

active

047119632

ABSTRACT:
Compounds are disclosed which are 4-amino-2,3-di-substituted-1-(mono- or trichlorophenyl)-3-pyrazolin-5-ones represented by the following formulae (1) to (3): ##STR1## and acid addition salts thereof. The compounds can be easily produced and are useful for qualitative analysis or quantitative analysis of hydrogen peroxide when used as a component of a color indicator composition for detecting hydrogen peroxide.

REFERENCES:
patent: 2194201 (1940-03-01), Eisenstaedt
patent: 4247631 (1981-01-01), Nix et al.

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