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Disodio idrogenoortofosfato eptaidrato ≥98%, white crystalline powder ACS

Fornitore: MP Biomedicals

Synonyms: Sodium phosphate dibasic heptahydrate, Sodium hydrogen phosphate heptahydrate, Sodium monohydrogen phosphate heptahydrate

02191441.1 02191441.5
ICNA02191441.1EA 22.2 EUR
ICNA02191441.1 ICNA02191441.5
Disodio idrogenoortofosfato eptaidrato ≥98%, white crystalline powder ACS
Disodio idrogenoortofosfato eptaidrato

Sodium phosphate dibasic heptahydrate is a reagent with very high buffering capacity widely used in molecular biology, biochemistry and chromatography. Sodium phosphate dibasic is highly hygroscopic and water soluble. Useful in conjunction with Sodium Phosphate, Monobasic in the preparation of biological buffers.


Sodium phosphate dibasic is highly hygroscopic and water soluble. Useful in conjunction with Sodium Phosphate, Monobasic in the preparation of biological buffers.


Sodium phosphate dibasic heptahydrate is use in many applications such as sequestrant, emulsifier and buffer in foods. As mordant in dyeing for weighting silk, in tanning. In manufacturing of enamels, ceramics, detergents; as fireproofing agent in soldering and brazing instead of borax; as reagent and buffer in analytical chemistry, cathartic, laxative.


Soluble in water, but more soluble in hot water; insoluble in alcohol, ethanol.

Formula: HNa₂O₄P·7H₂O
Peso molecolare: 268,07 g/mol
Punto di fusione: 48 °C
Densità: 1,7 g/cm³ (20 °C)
Temperatura di stoccaggio: Ambiente
MDL Number: MFCD00149180
CAS Number: 7782-85-6
EINECS: 231-448-7

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Risultati del test di specificazione

Purity ≥98%
pH (5% aq soln) 8.7 - 9.3
Insoluble Matter ≤0,005%
Heavy Metals ≤0,001%
Chloride ≤0,001%
Sulphate (SO4) ≤0,005%
Iron (Fe) ≤0,001%

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