N8257

α-Naphtholphthalein

practical grade

• Synonym(e): 1-Naphtholphthalein; 3,3-Bis(4-hydroxynaphthalen-1-yl)isobenzofuran-1(3H)-one
• Empirische Formel (Hill-System): C₂₈H₁₈O₄
• CAS-Nummer: 596-01-0
• Molekulargewicht: 418.44
• Beilstein: 97816
• EG-Nummer: 209-875-5
• MDL-Nummer: MFCD00036202
• UNSPSC-Code: 12171500
• PubChem Substanz-ID: 24897859
• NACRES: NA.47

Eigenschaften

• Qualität: practical grade
• Qualitätsniveau: 200
• Assay: >80% NaOH basis (titration)
• Form: powder
• pH-Wert: 7.3-8.7, colorless to blue-green
• mp (Schmelzpunkt): 238-240 °C (lit.)
• Löslichkeit: ethanol: 50 mg/mL, clear, red-orange
• Anwendung(en): diagnostic assay manufacturing; hematology; histology
• Lagertemp.: room temp
• SMILES String: Oc1ccc(c2ccccc12)C3(OC(=O)c4ccccc34)c5ccc(O)c6ccccc56
• InChI: 1S/C28H18O4/c29-25-15-13-23(17-7-1-3-9-19(17)25)28(22-12-6-5-11-21(22)27(31)32-28)24-14-16-26(30)20-10-4-2-8-18(20)24/h1-16,29-30H
• InChIKey: HQHBAGKIEAOSNM-UHFFFAOYSA-N

Beschreibung

Allgemeine Beschreibung

α-Naphtholphthalein, a phthalein dye is a pH indicator between 7.3 (colorless) and 8.7 (greenish-blue). Applications include inks, markers, detecting viable cells, food storage, and many more.

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