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Merck
CN

71632

Sodium phosphate dibasic

tested according to Ph. Eur., anhydrous

Synonym(s):

Dinatrii phosphas anhydricus, sec-Sodium phosphate, Disodium hydrogen phosphate, Disodium phosphate, Sodium hydrogenphosphate

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About This Item

Linear Formula:
Na2HPO4
CAS Number:
7558-79-4
Molecular Weight:
141.96
EC Number:
231-448-7
UNSPSC Code:
12161700
MDL number:
MFCD00003496

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InChI key

BNIILDVGGAEEIG-UHFFFAOYSA-L

InChI

1S/2Na.H3O4P/c;;1-5(2,3)4/h;;(H3,1,2,3,4)/q2*+1;/p-2

agency

tested according to Ph. Eur.

pKa (25 °C)

(1) 2.15, (2) 6.82, (3) 12.38 (phosphoric acid)

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