1.59375

Phenolrot

pH indicator, Reag. Ph Eur

• Synonym(e): Phenolrot
• Lineare Formel: (C₆H₄OH)₂C₇H₄SO₃
• CAS-Nummer: 143-74-8
• Molekulargewicht: 354.38
• MDL-Nummer: MFCD00003552
• UNSPSC-Code: 12171502
• EG-Index-Nummer: 205-609-7
• NACRES: NA.21

Eigenschaften

• product name: Phenolrot, (phenolsulfonphthalein) Reag. Ph Eur
• Agentur: reag. Ph. Eur.
• Qualitätsniveau: 200
• Assay: 98.0-102.0% (bromatometric, calculated on dried substance)
• Form: solid
• Verlust: ≤1.0% loss on drying, 105°C
• mp (Schmelzpunkt): >300 °C
• Schüttdichte: 200‑300 kg/m³
• Lagertemp.: no temp limit
• InChI: 1S/C19H14O5S/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
• InChIKey: BELBBZDIHDAJOR-UHFFFAOYSA-N

Beschreibung

Anwendung

• Antitussive, Expectorant and Antipyretic Effect of the Ethanolic Extract of the Leaves of Momordica charantia L.: This study investigates the application of phenol red in assessing the bioactivities of plant extracts, demonstrating the versatility of phenol red in chemical assays (Ribeiro et al., 2024).
• Chemical Analysis by LC-MS of Cannabis sativa Root Samples from Northeast Brazil and Evaluation of Antitussive and Expectorant Activities.: Phenol red was used as part of the LC-MS methodology to analyze plant roots, highlighting its role in modern analytical techniques (Menezes et al., 2022).
• Quantifying Sample Collection and Processing Impacts on Fiber-Based Tear Fluid Chemical Analysis.: Phenol red is utilized to quantify changes in tear fluid composition, underscoring its importance in clinical chemical analysis (Barmada & Shippy, 2020).
• The In Vitro Activity of Essential Oils against Helicobacter Pylori Growth and Urease Activity.: This research uses phenol red in enzyme inhibition studies, contributing to the understanding of antimicrobial properties of essential oils (Korona-Glowniak et al., 2020).

Hinweis zur Analyse

Gehalt (bromatometrisch, berechnet auf getrocknete Substanz): 98,0–102,0 %
Identität (UV-/VIS-Spektrum): entspricht
Identität (Farbübergang): entspricht
Identität (Bromination): entspricht
Unlösliche Substanzen: ≤ 0,5
Sulfatasche: ≤ 0,2
Trocknungsverlust (105 °C): ≤ 1,0

Sicherheitshinweise

• Piktogramme: GHS07
• Signalwort: Warning
• H-Sätze: H315,H335
• P-Sätze: P261 - P264 - P271 - P280 - P302 + P352 - P304 + P340 + P312
• Gefahreneinstufungen: Skin Irrit. 2 - STOT SE 3
• Zielorgane: Respiratory system
• Lagerklassenschlüssel: 11 - Combustible Solids
• WGK: WGK 3
• Flammpunkt (°F): Not applicable
• Flammpunkt (°C): Not applicable