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L-Tyrosin 99+%

Dodávateľ: Thermo Fisher Scientific
Varování

Synonymá: L-Tyrosine, (S)-(-)-Tyrosine, Tyrosine, H-Tyr-OH

140640010 140640050 140641000 140640025
ACRO140640010EA 644.6 EUR
ACRO140640010 ACRO140640050 ACRO140641000 ACRO140640025
L-Tyrosin 99+%
L-Tyrosin
Vzorec: C₉H₁₁NO₃
Teplota varu: 351 °C (1013 hPa)
Teplota tavenia: 290 °C (rozkl.)
Hustota: 1,41 g/cm³ (20 °C)
Teplota vzplanutia: 176 °C
Skladovacia teplota: Ambient
Číslo MDL: MFCD00002606
Číslo CAS: 60-18-4
EINECS: 200-460-4
Merck Index: 13,09907

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Výsledky špecifikačného 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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