122777

Alizarin

Dye content 97 %

• Synonym(e): 1,2-Dihydroxy-anthrachinon, Mordant Rot 11
• Empirische Formel (Hill-System): C₁₄H₈O₄
• CAS-Nummer: 72-48-0
• Molekulargewicht: 240.21
• Farbindexnummer: 58000
• Beilstein: 1914037
• EG-Nummer: 200-782-5
• MDL-Nummer: MFCD00001201
• UNSPSC-Code: 12171500
• PubChem Substanz-ID: 24847507
• NACRES: NA.47

Eigenschaften

• Form: solid
• Qualitätsniveau: 200
• Zusammensetzung: Dye content, 97%
• Farbe: yellow
• visual transition interval: 10.1-12.1, red to violet(alkaline); 5.5-6.8, yellow to red(acid)
• mp (Schmelzpunkt): 279-283 °C (lit.)
• Löslichkeit: 0.1 M NaOH: 0.01 g/L
• λmax: 567 nm (2nd); 609 nm
• ε (Extinktionskoeffizient): 13000 at 227-233 nm in 0.1 M NaOH at 0.01 g/L; 26000 at 268-274 nm in 0.1 M NaOH at 0.01 g/L
• Anwendung(en): diagnostic assay manufacturing; hematology; histology
• Lagertemp.: room temp
• SMILES String: Oc1ccc2C(=O)c3ccccc3C(=O)c2c1O
• InChI: 1S/C14H8O4/c15-10-6-5-9-11(14(10)18)13(17)8-4-2-1-3-7(8)12(9)16/h1-6,15,18H
• InChIKey: RGCKGOZRHPZPFP-UHFFFAOYSA-N

Beschreibung

Anwendung

Alizarin has been used as a biological stain to dye cotton fabrics and is used as standard in UV-visible spectrophotometer.

Biochem./physiol. Wirkung

Alizarin (1, 2-dihydroxyanthraquinone) is an anthraquinone dye and acts as a main chromophore of madder dye. It is used as a dye in the production of lake pigments. Alizarin is a key constituent in extracts of roots of various members of Rubiaceae, Morinda, Gallium, Oldenlandia families.

Sicherheitshinweise

• Piktogramme: GHS05,GHS07,GHS09
• Signalwort: Danger
• H-Sätze: H317,H318,H410
• P-Sätze: P261 - P272 - P273 - P280 - P302 + P352 - P305 + P351 + P338
• Gefahreneinstufungen: Aquatic Chronic 1 - Eye Dam. 1 - Skin Sens. 1A
• Lagerklassenschlüssel: 11 - Combustible Solids
• WGK: WGK 2
• Flammpunkt (°F): Not applicable
• Flammpunkt (°C): Not applicable
• Persönliche Schutzausrüstung: Eyeshields, Faceshields, Gloves, type N95 (US)