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m-Cresol Purple
CAS: 2303-01-7 | C21H18O5S | 382.43 g/mol
Supplier: Thermo Scientific Chemicals B2433806
Description
m-Cresol Purple acts as a pH indicator dye. It plays an important role in spectrophotometric pH measurements. It operates in the pH ranges 1.2 - 2.8 (red to yellow) and 7.4 - 9.0 (yellow to violet). Further, it is employed to stain epithelial cells and proteins.
This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.
Applicationsm-Cresol Purple acts as a pH indicator dye. It plays an important role in spectrophotometric pH measurements. It operates in the pH ranges 1.2 - 2.8 (red to yellow) and 7.4 - 9.0 (yellow to violet). Further, it is employed to stain epithelial cells and proteins.
Solubility
Soluble in water and sodium hydroxide solution. Slightly soluble in alcohol.
Notes
Transition interval (acid): pH 1.2 (red) to pH 2.8 (yellow); (alkaline) pH 7.4 (yellow) to pH 9.0 (purple)Incompatible with strong oxidizing agents.
Specifications
| m-Cresol Purple | |
| C21H18O5S | |
| 350314 | |
| m-Cresolsulfonephthalein | |
| OLQIKGSZDTXODA-UHFFFAOYSA-N | |
| 4-[3-(4-hydroxy-2-methylphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]-3-methylphenol | |
| 73030 | |
| 5 g |
| 2303-01-7 | |
| MFCD00005871 | |
| 14,2577 | |
| Soluble in water and sodium hydroxide solution. Slightly soluble in alcohol. | |
| CC1=C(C=CC(=C1)O)C2(C3=CC=CC=C3S(=O)(=O)O2)C4=C(C=C(C=C4)O)C | |
| 382.43 | |
| 382.44 |
Chemical Identifiers
| 2303-01-7 | |
| 382.43 | |
| OLQIKGSZDTXODA-UHFFFAOYSA-N | |
| 73030 | |
| CC1=C(C=CC(=C1)O)C2(C3=CC=CC=C3S(=O)(=O)O2)C4=C(C=C(C=C4)O)C |
| C21H18O5S | |
| MFCD00005871 | |
| m-Cresolsulfonephthalein | |
| 4-[3-(4-hydroxy-2-methylphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]-3-methylphenol |
Safety and Handling
EINECSNumber : 218-960-6
TSCA : Yes
Recommended Storage : Ambient temperatures
RUO – Research Use Only