S9256

Sulfanilsäure-Azochromotrop

≥80% purity, powder

• Synonym(e): 1,8-Dihydroxy-2-(4-sulfophenylazo)-naphthalin-3,6-disulfonsäure Trinatriumsalz, 2-(4-Sulfophenylazo)-1,8-dihydroxy-3,6-naphthalindisulfonsäure Trinatriumsalz, 2-(4-Sulfophenylazo)-chromotropsäure Trinatriumsalz, SPADNS
• Empirische Formel (Hill-System): C₁₆H₉N₂Na₃O₁₁S₃
• CAS-Nummer: 23647-14-5
• Molekulargewicht: 570.41
• NACRES: NA.47
• PubChem Substance ID: 24899830
• UNSPSC Code: 12171500
• EC Number: 245-803-9
• MDL number: MFCD00003952

Eigenschaften

• Produktname: Sulfanilsäure-Azochromotrop, ≥80%
• Quality Level: 200
• assay: ≥80%
• form: powder
• composition: Carbon: 26.0-35.0%; ; Nitrogen: 3.6-5.9%
• technique(s): titration: suitable
• color: dark red
• solubility: water: 10 mg/mL
• λmax: 505-510 nm
• application(s): diagnostic assay manufacturing; hematology; histology
• storage temp.: room temp
• SMILES string: [Na+].[Na+].[Na+].Oc1cc(cc2cc(c(\N=N\c3ccc(cc3)S([O-])(=O)=O)c(O)c12)S([O-])(=O)=O)S([O-])(=O)=O
• InChI: 1S/C16H12N2O11S3.3Na/c19-12-7-11(31(24,25)26)5-8-6-13(32(27,28)29)15(16(20)14(8)12)18-17-9-1-3-10(4-2-9)30(21,22)23;;;/h1-7,19-20H,(H,21,22,23)(H,24,25,26)(H,27,28,29);;;/q;3*+1/p-3/b18-17+;;;
• InChI key: AEHGQXKBQBMQEK-GLCFPVLVSA-K

Beschreibung

General description

Sulfanilic acid azochromotrop is commonly known as SPADNS.

Application

Sulfanilic acid azochromotrop, commonly known as SPADNS, is used mostly as an indicator for complexometric determinations of transition metals like zirconium. It is used as a reagent for drinking and wastewater analysis.

Sicherheitshinweise

• Lagerklasse: 11 - Combustible Solids
• wgk: WGK 3
• ppe: dust mask type N95 (US), Eyeshields, Gloves