Basic information Safety Related Supplier

HYDROXYNAPHTHOL BLUE

Basic information Safety Related Supplier
HYDROXYNAPHTHOL BLUE Basic information
HYDROXYNAPHTHOL BLUE Chemical Properties
Safety Information
  • Hazard Codes Xi
  • Risk Statements 36/37/38
  • Safety Statements 26-36
  • WGK Germany WGK 3 highly water endangering
  • HS Code 2927 00 00
HYDROXYNAPHTHOL BLUE Usage And Synthesis
  • Chemical Propertiesblue crystalline powder
  • Purification MethodsThe crude material is treated with hot EtOH to remove soluble impurities, then dissolve in 20% aqueous MeOH and chromatographed on a cellulose powder column with propanol/EtOH/water (5:5:4) as eluent. The upper of three zones was eluted to give the pure dye which is precipitated as the monosodium salt trihydrate by adding conc HCl to the concentrated eluate [Ito & Ueno Analyst 95 583 1970]. It can be converted to the trisodium salt wih the calculated amount of alkali. Indigocarmine (2[1,3-dihydro-3-oxo-5-sulfo-2H -indol-2-ylidene]-2,3-dihydro-3-oxo-1H -
HYDROXYNAPHTHOL BLUE(63451-35-4)Related Product Information
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