ninhydryna, Spectrophotometric Grade
Dostawca: Thermo Fisher Scientific
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Uwaga
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165870250
165871000
165875000
ACRO165870250EA
325
PLN
ACRO165870250
ACRO165871000
ACRO165875000
ninhydryna, Spectrophotometric Grade
ninhydryna
Formuła:
C₉H₆O₄ Temp. Wrzenia: 351 °C (1013 hPa) Gęstość: 0,862 g/cm³ (20 °C) Temperatura przechowywania: Temperatura otoczenia |
Numer MDL:
MFCD00003791 Numer CAS: 485-47-2 Numer WE (dawny EINECS): 207-618-1 Klasyfikacja Merck : 13,06582 |
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Wyniki testów specyfikacyjnych
Appearance | White to light yellow Crystalline powder or crystals |
Infrared spectrum | Conforms |
Sulfated ash | ≤0.1 % |
pH | 4.0 to 5.6 (1 % in water) |
Suitability | (for amino acid analysis) Passes test |
Specific optical rotation | +13.5° to +15.5° (20°C, 589 nm) (c=10, 6 N HCl) (dried substance) |
Titration with HClO4 | 98.5 to 101.0 % (dried substance) |
Sulfates | ≤300 ppm |
Chlorides | ≤200 ppm |
Ammonium (NH4) | ≤200 ppm |
Iron (Fe) | ≤10 ppm |
Ninhydrin-positive substances | ≤0.5 % (Total) |
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