| abstract |
AQUEOUS COMPOSITIONS THAT ARE SUBJECT TO DECOMPOSITION AND SPOILAGE BY THE ACTION OF BACTERIA ARE PRESERVED BY INCORPORATING IN THEM A SMALL AMOUNT OF A COMPOUND HAVING THE STRUCTURAL FORMULA 1-((CH2)M=N-CH2-),3-Y,(X)N-1H-INDAZOLE WHEREIN X REPRESENTS HALOGEN, NITRO, ACOYLAMINO, AROYLAMINO, (HALOBENZYLIDENE)AMINO, OR METHYLENEIMINO; Y REPRESENTS HYDROGEN, HALOGEN, ACOYLAMINO, OR METHYLENEIMINO; M IS A NUMBER IN THE RANGE OF 4 TO 8; AND N IS A NUMBER IN THE RANGE OF ZERO TO 4. ILLUSTRATIVE OF THESE COMPOUNDS ARE N-(5,7-DICHLOROINDAZOLYL - N1 - METHYL) PIPERIDINE AND N-(3-CHLORO-5-NITROINDAZOLYL-N1-METHYL) HEXAMETHYLENEIMINE. |