Disodium hydrogen phosphate, anhydrous 98,0-100,5 USP

Supplier: MP BIOMEDICALS (FKA ICN BIOMED

Synonyms: sec-Sodium phosphate, di-Sodium hydrogen orthophosphate, di-Sodium hydrogen phosphate anhydrous, Sodium hydrogen phosphate, Disodium phosphate, Sodium phosphate dibasic

02199802.1 02199802.5 0219980201
IC02199802.1EA 77.66 USD
IC02199802.1 IC02199802.5 IC0219980201
Disodium hydrogen phosphate, anhydrous 98,0-100,5 USP
di-Sodium hydrogen phosphate

Sodium phosphate dibasic has been used for preparing phosphate buffer which in turn is utilized in X-gal staining


Sodium phosphate dibasic anhydrous is a sodium salt of phosphoric acid. It is a white powder that is highly hygroscopic and water soluble.
Sodium phosphate dibasic is an important component of running buffer of denaturing gel electrophoresis. It induces glomerular calcification as well as other nephrotic syndrome in Sprague-Dawley rats.

Formula: Na₂HPO₄
MW: 141.96 g/mol
Melting Pt: 250
MDL Number: MFCD00003496
CAS Number: 7558-79-4
Merck Index: 12,08805
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Specification Test Results

Physical Appearance White crystalline powder
pH 8.4-9.6 (20 °C, 1%) (lit.)
pKa (1) 2.15, (2) 6.82, (3) 12.38 (phosphoric acid) (lit.)
Heavy Metals ≤0.002%
Insoluble Matter ≤0.4%
Loss on Drying ≤5.0%
Solubility Freely soluble in water; insoluble in alcohol


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