L-Histydyna Pharmpur® ekstar czysta, USP, BP, Ph Eur – SCHARLAU
Additional information
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POBIERZ KARTĘ PRODUKTU
POBIERZ KARTĘ POZIOMU JAKOŚCI
POBIERZ KARTĘ CHARAKTERYSTYKI PRODUKTU
PRODUCENT: SCHARLAB
L-Histidine, extra pure, Pharmpur®
– Synonyms: L-3-Imidazol-4-alanine
– C6H9N3O2
– M = 155,16 g/mol
– CAS [71-00-1]
– EINECS-No.: 200-745-3
– Solub. in water: (20 ºC): 38,2 g/l
– Melting point: 272 – 273 ºC (decomposes)
– LD 50 (oral, rat): > 5110 mg/kg
– Tariff number: 2933 21 00 90
– Applications: in biochemistry, for pharmaceutical use, in food industry, in pharma industry.
SPECIFICATIONS
assay EP (acidimetric) : 98,5 – 101,0
assay USP (acidimetric, on dried sample): 98,5 – 101,5
Identification IR: passes test
Identification TLC: passes test
Identification D (EP): passes test
appearance of solution: passes test
specific rotation (EP; 25ºC/D) (dried substance) : + 11,4º to + 12,4º
specific rotation (USP; 25ºC/D) : + 12,6º to + 14,0º
pH : 7,0 – 8,5: :
ammonium (NH4): passes test
chlorides (Cl): max. 200 ppm
iron (Fe): max. 10 ppm
sulfates (SO4): max. 300 ppm
individual impurity : max. 0,5 %
total impurities: max. 2,0 %
ninhydrin-positive substances:
each : max. 0,2 %
total : max. 0,5 %
loss on drying (105 ºC): max. 0,2 %
residue on ignition: max. 0,1 %
