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Merck 1043519010 组氨酸,生物化学适用 (C₆H₉N₃O₂, Plastic drum 10kg)

  • 制造商:Merck
    Model: 1043519010
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  • Price (exclude VAT)107,129,400 VND
    Price (include VAT)117,842,340 VND
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CAS number: 71-00-1

EC number: 200-745-3

Hill Formula: C₆H₉N₃O₂

Molar Mass: 155.16 g/mol

Assay (acidimetric, calculated on dried substance): 99.0 - 101.0 %

Identity (IR-spectrum): passes test

Appearance: white to almost white, fine-crystalline powder or colorless crystals

Appearance of solution (50 g/l; water): clear and colorless

Spec. rotation (α 20/D, 110 g/l, hydrochloric acid 120 g/l, calc. on dried substance): +11.4 to +12.4

Chloride (Cl): ≤ 200 ppm

Sulfate (SO₄): ≤ 200 ppm

Heavy metals (as Pb): ≤ 10 ppm

As (Arsenic): ≤ 5 ppm

Ca (Calcium): ≤ 10 ppm

Co (Cobalt): ≤ 5 ppm

Fe (Iron): ≤ 5 ppm

K (Potassium): ≤ 5 ppm

Mg (Magnesium): ≤ 5 ppm

Na (Sodium): ≤ 100 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): ≤ 0.5 %

Loss on drying (105 °C; 3 h): ≤ 0.2 %

Details

Datasheet:



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