FIELD: chemistry.
SUBSTANCE: invention relates to an acid-base indicator disazo dye of the stilbene series for optical pH sensors operating in the pH range of 4.0-6.0, the composition of which is characterized by the formula C26H24N8O6S2 and the following structure:
.
Disclosed is a method for producing the above indicator disazo dye.
EFFECT: creation of a dye with a contrasting color transition in a biologically significant range of pH values corresponding to the normal pH value of the skin of a healthy person.
2 cl, 1 dwg, 1 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| ACID-BASE INDICATOR DISAZO DYE OF THE STILBENE SERIES FOR OPTICAL PH SENSORS AND METHOD FOR ITS PRODUCTION | 2022 |
|
RU2801800C1 |
| METHOD OF PRODUCING ACID-BASIC INDICATOR FOR CREATING FLEXIBLE PH-SENSITIVE SYSTEMS | 2015 |
|
RU2626352C2 |
| METHOD OF PRODUCING MONO- OR DISAZO DYES BASED ON METHYL PHLOROGLUCINOL | 2008 |
|
RU2415892C2 |
| 5-[4′-(N-METHYL-1′′,3′′-BENZIMIDAZOL-2′′-YL)PHENYL]-10,15,20-TRIS(4′-SULFOPHENYL)PORPHIN AND ITS APPLICATION AS ACID INDICATOR FOR OPTICAL AND VISUAL DETERMINATION OF pH | 2022 |
|
RU2813631C1 |
| METHOD FOR PREPARING DERIVATIVES OF 4,4'-DIAMINOSTILBENE-2,2'-DISULFOACID | 2001 |
|
RU2223957C2 |
| METHOD OF OBTAINING AZODIPHENYL DERIVATIVES OF LIGNIN | 0 |
|
SU1104141A1 |
| 4,4-DI-N-/2"-CHLORO-4"/1"-OXY-2"-(2""-SULFO-4""-METHOXY)-AZOBENZENE-3-"-SULFO-6"-METHYLAMINO/-NAPHTHYL-6"-S-TRIAZYNYL/-AMINOSTILBENE-2,2-DISULFOACID AS ACTIVE DYE FOR CELLULOSE MATERIALS | 0 |
|
SU834045A1 |
| DERIVATIVES OF 1,1′-BINAPTHYL -4,4′,, 5,5′-TETRACARBOXY-8,8′-DISULFONIC ACID AS VAT DYES FOR CELLULOSE-CONTAINING TEXTILE MATERIALS | 1989 |
|
RU2028339C1 |
| 0 |
|
SU429593A3 | |
| 0 |
|
SU416955A3 |
