Sodium acétate, anhydre ≥99.0%, poudre cristalline ACS
Marques : MP BiomedicalsTotal Evaluation: 0
Moyenne des Notes : 0.0 sur 5
Synonyme(s):
Acétate de sodium
Sodium acetate is used as a buffer in the buffering range of pH 3.6-5.6. It is also used in the purification and precipitation of nucleic acids, protein crystallization, staining of gels in protein gel electrophoresis, HPLC, mordant dyeing, DNA microarray studies of E. coli response, investigation of protein unfolding during reverse phase chromatography.
It is used in conjunction with sodium carbonate to enhance the activation of freeze-dried subtilisin Carlsberg in organic solvents. It is also used as substrate for acetokinase.
Soluble freely in water; moderately soluble in alcohol.
Formule:
H₃CCOONa Poids moléculaire: 82.03 g/mol Point d'ébullition: 881.4 Point de fusion: 324 Densité: 1.528 g/cm³ (20 °C) Point éclair: >250 °C (coupe fermée) Température de stockage: Température ambiante |
Numéro MDL:
MFCD00012459 Numéro CAS: 127-09-3 EINECS: 204-823-8 REACH: 01-2119485123-42 Indice Merck: 12,08711 |
Résultats des tests de spécification
Assay | ≥99,0% |
pH (5% aq soln) | 7,0 - 9,2 |
Insoluble Matter | ≤0,01% |
Loss on Drying (120 °C) | ≤1,0% |
Chloride | ≤0,002% |
Phosphate | ≤0,001% |
Sulphate | ≤0,003% |
Calcium | ≤0,005% |
Magnesium | ≤0,002% |
Heavy Metals (as Pb) | ≤0,001% |
Iron | ≤0,001% |
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