Merck 1069069010 L-鸟氨酸盐酸盐,生物化学适用 (C₅H₁₂N₂O₂ * ClH, 塑料瓶 10kg)
制造商: Merck Model: 1069069010 - 报价要求
- 报价要求
Price (exclude VAT) 97,390,050 VND Price (include VAT) 107,129,055 VND
CAS #: 3184-13-2
EC number: 221-678-6
Hill Formula: C₅H₁₂N₂O₂ * ClH
Molar Mass: 168.62 g/mol
Assay (perchloric acid titration, calculated on dried substance): 99.0 - 102.0 %
Identity (IR-spectrum): passes test
Appearance: white, crystalline powder or colorless crystals
Appearance of solution (25 g/l; CO₂-free water): clear and not more intense in color than reference solution B9
Spec. rotation (α 20/D, 40 g/l, hydrochloric acid 6 mol/l, calc. on dried substance): +23,0 to +25,0
Sulfate (SO₄): ≤ 200 ppm
Heavy metals (as Pb): ≤ 10 ppm
As (Arsenic): ≤ 5 ppm
Ca (Calcium): ≤ 100 ppm
Co (Cobalt): ≤ 5 ppm
Fe (Iron): ≤ 5 ppm
K (Potassium): ≤ 20 ppm
Mg (Magnesium): ≤ 10 ppm
Na (Sodium): ≤ 50 ppm
Zn (Zinc): ≤ 5 ppm
Ninhydrin-positive substances (LC) (any ninhydrin-positive impurity): ≤ 0.2 %
Ninhydrin-positive substances (LC) (ammonium (570 nm)): ≤ 0.02 %
Ninhydrin-positive substances (LC) (total impurities): ≤ 1.0 %
Loss on drying (105 °C): ≤ 0.5 %
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