114669

4-(4-Nitrophenylazo)resorcin

Dye content 90 %

• Synonym(e): 2,4-Dihydroxy-4′-nitro-azobenzol, Magneson I
• Lineare Formel: O₂NC₆H₄N=NC₆H₃-1,3-(OH)₂
• CAS-Nummer: 74-39-5
• Molekulargewicht: 259.22
• Beilstein: 674709
• EG-Nummer: 200-808-5
• MDL-Nummer: MFCD00007310
• UNSPSC-Code: 12171500
• PubChem Substanz-ID: 24847188
• NACRES: NA.47

Eigenschaften

• Form: powder
• Qualitätsniveau: 200
• Zusammensetzung: Dye content, 90%
• mp (Schmelzpunkt): 195-200 °C (dec.) (lit.)
• λmax: 432 nm
• Anwendung(en): diagnostic assay manufacturing; hematology; histology
• Lagertemp.: room temp
• SMILES String: Oc1ccc(\N=N\c2ccc(cc2)[N+]([O-])=O)c(O)c1
• InChI: 1S/C12H9N3O4/c16-10-5-6-11(12(17)7-10)14-13-8-1-3-9(4-2-8)15(18)19/h1-7,16-17H/b14-13+
• InChIKey: NGPGYVQZGRJHFJ-BUHFOSPRSA-N

Beschreibung

Biochem./physiol. Wirkung

4-(4-Nitrophenylazo) resorcinol, also known as azo violet or magneson I, is a red colored powder. It functions as a spot test reagent and forms blue lake on reaction with Mg(OH)₂ in alkaline solution. It is mainly used for determining the presence of magnesium in the solution.

4-(4-Nitrophenylazo)resorcinol is a pH indicator.

Sicherheitshinweise

• Lagerklassenschlüssel: 11 - Combustible Solids
• WGK: WGK 3
• Persönliche Schutzausrüstung: dust mask type N95 (US), Eyeshields, Gloves