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

Supplier: THERMO FISHER SCIENTIFIC CHEMICALS
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15157-0100 15157-0250 15157-1000
TS15157-0100EA 42 USD InStock
TS15157-0100 TS15157-0250 TS15157-1000
Trisodium 2-(4-Sulphophenylazo)-1,8-dihydroxynaphthalene-3,6-disulphonate (SPADNS) indicator grade
Trisodium 2-(4-Sulfophenylazo)-1,8-dihydroxynaphthalene-3,6-disulfonate (SPADNS)


Formula: C₁₆H₁₂N₂O₁₁S₃
Storage Temperature: Ambient
 MDL Number: MFCD00003952
CAS Number: 23647-14-5
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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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