Sigma-Aldrich
METHYL ORANGE A.C.S. REAGENT
General description Methyl orange (C.I.
General description
Methyl orange (C.I. 13025) is the sodium salt of p-dimethylaminoazobenzenesulfonic acid.It is an orange-colored synthetic dye, which changes color depending on the pH of the solution. It develops a red color in acidic solution and yellow color in basic solution.
Application
Methyl orange is used as a-
- pH indicator in the cell sap
- counterstain to crystal violet in staining pollen tubes
- component of a polychrome histological stain
- solution indicator, such as in assays of oxalic and malonic acids
- in other biomedical applications that include use in film dosimeters and as a reagent for the assay of bromide ions.
Biochem/physiol Actions
Methyl Orange is an azo dye which works as a pH indicator.
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Specifications
- UPC:
- 12161500
- Condition:
- New
- Weight:
- 1.00 Ounces
- HazmatClass:
- Yes
- Quantity:
- 500
- Unit of Measurement:
- GM
- MPN:
- 114510-500G
- CAS:
- 547-58-0



