4-Amino-3-hydroxy-1-naphthalenesulphonic acid 95%

Supplier: Thermo Scientific
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149271000 149270250
ACRO149271000EA 134 EUR
ACRO149271000 ACRO149270250
4-Amino-3-hydroxy-1-naphthalenesulphonic acid 95%
4-Amino-3-hydroxy-1-naphthalenesulphonic acid
Formula: C₁₀H₉NO₄S
Boiling Pt: 466 °C (1013 hPa)
Melting Pt: 295 °C (dec.)
Storage Temperature: Ambient
MDL Number: MFCD00004019
CAS Number: 116-63-2
EINECS: 204-147-3
Merck Index: 13,00453

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Specification Test Results

Appearance Pink to light purple Granular powder
Infrared spectrum Conforms
Water ≤5 % (K.F.)
Sulfated ash ≤0.5 %
Titration with NaOH ≥94 %
Specific optical rotation +22.5° to +24.5° (20°C, 589 nm) (c=1 in methanol)

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