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Cresol Red is used as a tracking dye in DNA, RNA (agarose) and protein (polyacrylamide) electrophoresis. In agarose, Cresol Red runs with an apparent molecular size of approx. 125 bp DNA. Cresol Red does not inhibit Taq polymerase. Recently Cresol Red has been used as a pH sensitive indicator dye in nanoengineered optical urea biosensors films and hetero-core structured fiber optic pH sensor.
| grade | indicator grade |
| InChI Key | OBRMNDMBJQTZHV-UHFFFAOYSA |
| composition | Dye content, 95% |
| useful pH range | 1.8 – 2.0, orange to yellow (acid) |
| 7.0 – 8.8, yellow to violet (alkaline) | |
| pH range | 7.2 – 8.8, yellow to red |
| absorption | λmax 367 nm (2nd) |
| λmax 570 nm |
Dithizone (Diphenylthiocarbazone) is used as chelating agent for zinc.[2] It is widely used for the liquid-liquid and solid phase extraction of various metals since it forms stable complexes with the metals.
Thymolphthalien is an acid-base indicator which is colorless in acidic form and deep blue in basic form. Acidic form retains hydrogen on each hydroxyl group. It is suitable in preparing disappearing ink.
Thymolphthalein was suitable as indicator during titration of hyamine hydroxide.
Phenol Red is suitable for use as a pH indicator. We are manufacturer of Phenol Red and its available in Bulk Quantity.
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