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L-Tyrosin 99+%

Dodavatel: Thermo Scientific
Varování

ACRO140641000EA 2540 CZK
ACRO140641000 ACRO140640010 ACRO140640025 ACRO140640050
L-Tyrosin 99+%
L-Tyrosin
Vzorec: C₉H₁₁NO₃
MW: 181,19 g/mol
Bod varu: 351 °C (1013 hPa)
Bod tání: 290 °C (rozkl.)
Bod vzplanutí: 176 °C
Storage Temperature: Ambient
MDL Number: MFCD00002606
CAS číslo: 60-18-4
EINECS: 200-460-4
Merck Index: 12,09970

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Výsledky specifikačního testu

Appearance White to almost white Powder
Infrared spectrum Conforms
Loss on drying ≤0.5 % (1 g, 105°C)
Sulfated ash ≤0.1 %
Specific optical rotation -9.8° to -12.3° (20°C, 589 nm) (c=5, 1 N HCl)
Titration with HClO4 ≥99.0 % (on dried substance)
Chloride (Cl) ≤400 ppm
Sulfate (SO4) ≤300 ppm
Ammonium (NH4) ≤200 ppm
Iron (Fe) ≤10 ppm
Heavy metals (as Pb) ≤10 ppm

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