Sodio acetato, anidro ≥99.0%, crystalline powder ACS
Fornitore: MP Biomedicals
Synonyms:
Acetic acid sodium salt
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.
Formula:
H₃CCOONa Peso molecolare: 82.03 g/mol Punto di ebollizione: 881,4 Punto di fusione: 324 Densità: 1.528 g/cm³ (20 °C) Flash Pt: >250 °C (coppa chiusa) Temperatura di stoccaggio: Ambiente |
MDL Number:
MFCD00012459 CAS Number: 127-09-3 EINECS: 204-823-8 REACH: 01-2119485123-42 Merck Index: 12,08711 |
Risultati del test di specificazione
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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