861324

p-Rosolsäure

Dye content 84 %

• Synonym(e): 4-[Bis-(4-hydroxyphenyl)-methylen]-2,5-cyclohexadienon, Aurin
• Empirische Formel (Hill-System): C₁₉H₁₄O₃
• CAS-Nummer: 603-45-2
• Molekulargewicht: 290.31
• Farbindexnummer: 43800
• Beilstein: 2055205
• EG-Nummer: 210-041-8
• MDL-Nummer: MFCD00001624
• UNSPSC-Code: 12171500
• PubChem Substanz-ID: 24888536
• NACRES: NA.47

Eigenschaften

• Form: powder
• Qualitätsniveau: 200
• Zusammensetzung: Dye content, 84%
• Methode(n): titration: suitable
• pH-Wert: 5.0-6.8, yellow to pink
• Kationenspuren: C: 66.0-90.8%
• λmax: 482 nm
• ε (Extinktionskoeffizient): ≥11000 at 264-270 nm in ethanol; ≥50000 at 478-486 nm in ethanol
• Anwendung(en): diagnostic assay manufacturing; hematology; histology
• Lagertemp.: room temp
• SMILES String: O=C(C=C1)C=CC1=C(C2=CC=C(O)C=C2)C3=CC=C(O)C=C3
• InChI: 1S/C19H14O3/c20-16-7-1-13(2-8-16)19(14-3-9-17(21)10-4-14)15-5-11-18(22)12-6-15/h1-12,20-21H
• InChIKey: FYEHYMARPSSOBO-UHFFFAOYSA-N

Beschreibung

Allgemeine Beschreibung

p-Rosolic acid (C.I. 43800) is an acid-baseindicator from the triphenylmethane group. It is also known as aurin and 4-[Bis(4-hydroxyphenyl)methylene]-2,5-cyclohexadienone.

Anwendung

p-Rosolic acid has been used to induce cellular stress in HEK293 cells.

Biochem./physiol. Wirkung

The transition range of p-Rosolic acid is around pH 6.6-8.0 (Below this pH range it is yellow and above it red).

Sicherheitshinweise

• Lagerklassenschlüssel: 11 - Combustible Solids
• WGK: WGK 3
• Flammpunkt (°F): Not applicable
• Flammpunkt (°C): Not applicable
• Persönliche Schutzausrüstung: dust mask type N95 (US), Eyeshields, Gloves