Trisodium 2-(4-Sulphophenylazo)-1,8-dihydroxynaphthalene-3,6-disulphonate (SPADNS) indicator grade
Supplier: Thermo Scientific
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Warning
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Synonyms:
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
151570100
151570250
151571000
ACRO151570100EA
53.6
GBP
ACRO151570100
ACRO151570250
ACRO151571000
Trisodium 2-(4-Sulphophenylazo)-1,8-dihydroxynaphthalene-3,6-disulphonate (SPADNS) indicator grade
Trisodium 2-(4-Sulphophenylazo)-1,8-dihydroxynaphthalene-3,6-disulphonate (SPADNS)
CAS No.: 23647-14-5
Formula:
C₁₆H₁₂N₂O₁₁S₃ MW: 570,40 g/mol Storage Temperature: Ambient |
MDL Number:
MFCD00003952 CAS Number: 23647-14-5 |
Specification Test Results
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) |
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