PHENOL RED SODIUM SALT A.C.S. REAGENT

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.

Suitable for use as a pH indicator.

Biochem/physiol Actions

Phenol Red is a pH indicator which changes color from yellow to red.

Molecular Weight: 376.36. Empirical Formula: C₁₉H₁₃NaO₅S. grade: ACS reagent. Quality Level: 200. form: powder. composition: Dye content, 90% . clarity of soln: passes test. technique(s): titration: suitable. visual transition interval: 6.8-8.2, yellow to red, 6.8-8.2, yellow to red. mp: 285 . °C (dec.) (lit.). λ. _max: 423 nm. ε (extinction coefficient): ≥. 19000 at 422-426 . nm in methanol, ≥. 900 at 256-269 . nm in methanol. SMILES string: [Na+].Oc1ccc(cc1)C2(OS(: O)(: O)c3ccccc23)c4ccc([O-])cc4. InChI: 1S/C19H14O5S.Na/c20-15-9-5-13(6-10-15)19(14-7-11-16(21)12-8-14)17-3-1-2-4-18(17)25(22,23)24-19. /h1-12,20-21H. /q. +1/p-1. InChI key: HKHYOKBQJILTEI-UHFFFAOYSA-M. Pictograms: GHS07. Signal Word: Warning. Hazard Statements: H315 - H335. Precautionary Statements: P261 - P264 - P271 - P280 - P302 + P352 - P304 + P340 + P312. Hazard Classifications: Skin Irrit. 2 - STOT SE 3. Target Organs: Respiratory system. Storage Class Code: 11 - Combustible Solids. WGK: WGK 3. Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves.