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di-Sodium hydrogen phosphate heptahydrate, 1 kg

From  Carl ROTH
≥98 %, p.a., ACS
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Sodium phosphate, dibasic, Sodium monohydrogen phosphate, di-Sodium orthophosphate, sec-Sodium phosphate
Empirical formula Na2HPO4 · 7 H2O
Molar mass (M) 268,03 g/mol
Density (D) 1,68 g/cm³
Melting point (mp) 48 °C
WGK 1
CAS No. 7782-85-6
EG-Nr. 231-448-7


€48.95/Pack Qty. 

excl. VAT. | 1 kg per Pack Qty.

Art. No. X987.2

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di-Sodium hydrogen phosphate heptahydrate
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Art. No. Pack Qty. Pack. Price Quantity
X987.1 500 g plastic

€30.65

X987.2 1 kg plastic

€48.95

X987.3 2.5 kg plastic

€102.70

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Downloads / MSDS


General information

Salts for Analysis

Our salts in p.a. quality are produced under strict purity and quality requirements, ensuring consistently high batch quality. They are ideal for all analytical applications where reproducible and reliable results are essential.

Many products additionally meet the internationally recognized ACS and ISO standards, which facilitates their use in accredited laboratories and standardized testing procedures.

Glossary of terms:• p.a. – pro analysis (for analytical applications)• ACS – American Chemical Society• ISO – International Organization for Standardization


Certificates of Analysis

You can search for and download your certificate of analysis for the selected product here. Please provide your batch number.
The following analysis certificates have been found:

Guarantee analysis

Assay (acidim.)98,0-102,0 %
In H2O insoluble matter≤0,005 %
pH value (5 % in H2O)8,7-9,3
Chloride (Cl)≤0,001 %
Sulphate (SO4)≤0,005 %
Heavy metals (as Pb)≤0,001 %
Iron (Fe)≤0,001 %