Phenol Red sodium salt
SIAL/114537 - ACS reagent, Dye content 90 %
Synonym: Phenolsulfonephthalein sodium salt
CAS Number: 34487-61-1
Empirical Formula (Hill Notation): C19H13NaO5S
Molecular Weight: 376.36
EC Number: 252-057-8
MDL Number: MFCD00066901
Linear Formula: C19H13NaO5S
Product Type: Chemical
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material. This image depicts SKU: 114537-25G
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material. This image depicts SKU: 114537-5G
| ε (extinction coefficient) | ≥19000 at 422-426 nm in methanol |
| ≥900 at 256-269 nm in methanol | |
| λmax | 423 nm |
| clarity of soln | passes test |
| composition | Dye content, 90% |
| form | powder |
| grade | ACS reagent |
| InChI | 1S/C19H14O5S.Na/c20-15-9- |
| InChI key | HKHYOKBQJILTEI-UHFFFAOYSA |
| mp | 285 °C (dec.) (lit.) |
| Quality Level | 200  |
| SMILES string | [Na+].Oc1ccc(cc1)C2(OS(=O |
| technique(s) | titration: suitable |
| visual transition interval | 6.8-8.2, yellow to red |
| Application: | Phenol Red has been used for preparation of phosphate buffer saline (PBS)-with phenol red for microfluidic assay for simultaneous culture of multiple cell types. It has also been used for horseradish peroxidase-phenol red (HRP-PR) H2O2 (hydrogen peroxide) detection assay to identify redox cycling compounds. |
| Application: | Suitable for use as a pH indicator. |
| Biochem/physiol Actions: | Phenol Red is a pH indicator which changes color from yellow to red. |
| Packaging: | 5, 25 g in glass bottle |
| Hazard Codes | Xi |
| Risk Statements | 36/37/38 |
| Safety Statements | 26-36 |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 3 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| mp | 285 °C (dec.) (lit.) |
| UNSPSC | 12171500 |