1.10123
Protamine sulfate
for biochemistry
Synonym(s):
Protamine sulfate, Salmine sulfate
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About This Item
Quality Segment
assay
≥98% (HPLC)
form
powder
manufacturer/tradename
Calbiochem®
shipped in
ambient
storage temp.
15-25°C
Analysis Note
Nitrogen content (Kjeldahl; calc.on dried substance): 22.5 - 25.5 %
Assay of sulfate (gravimetrically; calc. on dried substance): 16 - 22 %
Identity (IR-spectrum): passes test
Appearance: white to almost white, crystalline powder
Appearance of solution (5 g/l; water): clear to almost clear, colorless to slightly yellow
Absorbance (260-280 nm, 10 g/l, 1 cm, water): ≤ 0.1
Spec. rotation (α 20/D, 10 g/l, hydrochloric acid 0.1 mol/l, calc. on dried substance): -65 to -85
Fe (Iron): ≤ 0.001 %
Hg (Mercury): ≤ 0.001 %
Heavy metals (as Pb): ≤ 0.002 %
Loss on drying (105 °C; 3 h): ≤ 5 %
Assay of sulfate (gravimetrically; calc. on dried substance): 16 - 22 %
Identity (IR-spectrum): passes test
Appearance: white to almost white, crystalline powder
Appearance of solution (5 g/l; water): clear to almost clear, colorless to slightly yellow
Absorbance (260-280 nm, 10 g/l, 1 cm, water): ≤ 0.1
Spec. rotation (α 20/D, 10 g/l, hydrochloric acid 0.1 mol/l, calc. on dried substance): -65 to -85
Fe (Iron): ≤ 0.001 %
Hg (Mercury): ≤ 0.001 %
Heavy metals (as Pb): ≤ 0.002 %
Loss on drying (105 °C; 3 h): ≤ 5 %
Legal Information
CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany
Disclaimer
Toxicity: Carcinogenic / Teratogenic (D)
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Storage Class
11 - Combustible Solids
wgk
WGK 3
Certificates of Analysis (COA)
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