Ninhydrin, Spectrophotometric Grade

Dodavatel: Thermo Scientific

ACRO165871000EA 5230 CZK
ACRO165871000 ACRO165870250 ACRO165875000
Ninhydrin, Spectrophotometric Grade
Vzorec: C₉H₆O₄
MW: 178,14 g/mol
Bod tání: 250 °C (rozkl.)
Storage Temperature: Ambient
MDL Number: MFCD00003791
CAS číslo: 485-47-2
EINECS: 207-618-1
Merck Index: 12,06646


Výsledky specifikačního testu

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 ≤0.10 % (Any ninhydrin-positive substance)
Ninhydrin-positive substances ≤0.5 % (Total)

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