Trisodium 2-(4-Sulphophenylazo)-1,8-dihydroxynaphthalene-3,6-disulphonate (SPADNS) indicator grade

: SPADNS, 2-(4-Sulphophenylazo)chromotropic acid trisodium salt, 4,5-Dihydroxy-3-(4-sulphophenylazo)-2,7-naphthalenedisulphonic acidtrisodium salt, 1,8-Dihydroxy-2-(4-sulphophenylazo)naphthalene-3,6-disulphonic acidtrisodium salt, Sulphanilic acid azochromotrope, 2-(p-sulphophenylazo)-1,8-Dihydroxy-3,6-Naphthalenedisulphonic acidtrisodium salt, Trisodium 1,8-Dihydroxy-2-(4-sulphophenylazo)naphthalene-3,6-disulphonate

:23647-14-5

:C₁₆H₁₂N₂O₁₁S₃

:MFCD00003952

:570.40 g/mol

:GHS07

:Ambient

Environmentally Preferable:

Appearance:
Dark red-brown Crystalline powder
Infrared spectrum:
Conforms
UV spectrum:
Complies
HPLC:
≥96.0 %
Specific optical rotation:
-20° to -28° (20°C, 589 nm) (C=1 in MeOH)

ACRO15157