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1.10123

Sigma-Aldrich

Protamine sulfate

for biochemistry

Synonym(s):

Protamine sulfate, Salmine sulfate

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About This Item

CAS Number:
UNSPSC Code:
12352202
NACRES:
NB.21

Quality Level

Assay

≥98% (HPLC)

form

powder

manufacturer/tradename

Calbiochem®

shipped in

ambient

storage temp.

2-8°C

Warning

Toxicity: Carcinogenic / Teratogenic (D)

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 %

Legal Information

CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany

Storage Class Code

11 - Combustible Solids

WGK

WGK 3


Certificates of Analysis (COA)

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