229148

Purpurin

Dye content 90 %

• Synonym(e): 1,2,4-Trihydroxy-anthrachinon, Hydroxylizarinsäure, Verantin
• Empirische Formel (Hill-System): C₁₄H₈O₅
• CAS-Nummer: 81-54-9
• Molekulargewicht: 256.21
• EC Number: 201-359-8
• UNSPSC Code: 12171500
• NACRES: NA.47
• PubChem Substance ID: 24853730
• MDL number: MFCD00001203
• Colour Index Number: 58205
• Beilstein/REAXYS Number: 1887127

Eigenschaften

• assay: >70-85% (HPLC)
• form: powder
• composition: Dye content, 90%
• impurities: 1-3% DMF
• mp: 253-256 °C (lit.)
• solubility: NH₄OH: 1 mg/mL, clear to turbid
• λmax: 515 nm, 521 nm (2nd)
• application(s): diagnostic assay manufacturing; hematology; histology
• storage temp.: room temp
• SMILES string: Oc1cc(O)c2C(=O)c3ccccc3C(=O)c2c1O
• InChI: 1S/C14H8O5/c15-8-5-9(16)14(19)11-10(8)12(17)6-3-1-2-4-7(6)13(11)18/h1-5,15-16,19H
• InChI key: BBNQQADTFFCFGB-UHFFFAOYSA-N

Beschreibung

General description

Purpurin (1, 2, 4-trihydroxyanthraquinone) is the key pigment present in the roots of Indian madder (Rubia cordifolia). This pigment produces colors, with distinctive heat and light resistant properties.

Application

Zellkernfarbstoff für die Histologie

Sicherheitshinweise

• Piktogramme: GHS07
• Signalwort: Warning
• Gefahrencodes: H315,H319,H335
• Sicherheitshinweise: P261 - P264 - P271 - P280 - P302 + P352 - P305 + P351 + P338
• Hazard Classifications: Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
• Zielorgane: Respiratory system
• Lagerklasse: 11 - Combustible Solids
• Was ist los?: WGK 3
• Flammpunkt (°F): 235.4 °F - closed cup
• Flammpunkt (°C): 113 °C - closed cup
• PSA (Persönliche Schutzausrüstung): dust mask type N95 (US), Eyeshields, Gloves