HYDROXY NAPHTHOL BLUE DISODIUM SALT & (C005B-021224)

General description

Hydroxy naphthol blue disodium salt is a chemical compound belonging to the class of azo dyes commonly used as a pH indicator.It exists as small blue crystals. Hydroxy naphthol blue is suitable for the quantification of metal leaching in metal affinity chromatography. It changes color at pH range 12-13 from blue to reddish pink, in the presence of calcium ions and to deep blue in the presence of disodium ethylenediaminetetraacetic acid (EDTA).

Molecular Weight: 598.49. Empirical Formula: C₂₀H₁₂N₂Na₂O₁₁S₃. linearFormula: C₂₀H₁₂N₂O₁₁S₃Na₂. grade: ACS reagent. Quality Level: 200. form: solid. pH: 7.9. mp: 274 . °C. solubility: water: soluble. density: 2.130 . g/cm³. λ. _max: 650 nm. application(s): diagnostic assay manufacturing
hematology
histology. storage temp.: room temp. SMILES string: Oc1cc(c2ccccc2c1N: Nc3c(O)c(cc4cc(ccc34)S(: O)(: O)O[Na])S(: O)(: O)O[Na])S(O)(: O): O. InChI: 1S/C20H14N2O11S3.2Na/c23-15-9-16(35(28,29)30)13-3-1-2-4-14(13)18(15)21-22-19-12-6-5-11(34(25,26)27)7-10(12)8-17(20(19)24)36(31,32)33. . /h1-9,23-24H,(H,25,26,27)(H,28,29,30)(H,31,32,33). . /q. 2*+1/p-2. InChI key: WPDDXLRAJOPBIR-UHFFFAOYSA-L. Pictograms: GHS07. Signal Word: Warning. Hazard Statements: H319. Precautionary Statements: P264 - P280 - P305 + P351 + P338 - P337 + P313. Hazard Classifications: Eye Irrit. 2. Storage Class Code: 11 - Combustible Solids. WGK: WGK 3.