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Sodium dihydrogen phosphate dihydrate, 500 g

≥99 %, p.a.
Pack Qty.
Sodium phosphate, monobasic, Monosodium phosphate, Sodium biphosphate
Empirical formula NaH2PO4 · 2 H2O
Molar mass (M) 156,01 g/mol
Density (D) 1,91 g/cm³
Melting point (mp) 60 °C
CAS No. [13472-35-0]
EG-Nr. 231-449-2

For molecular biology

€25.30/Pack Qty. 

excl. VAT. | 500 g per Pack Qty.

Art. No. T879.1

Available at short notice
from 6 Pack Qty. €24.04/Pack Qty.
from 24 Pack Qty. €22.77/Pack Qty.
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Sodium dihydrogen phosphate dihydrate
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T879.1 500 g plastic


T879.2 1 kg plastic


T879.3 2.5 kg plastic


T879.5 25 kg plastic


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Downloads / MSDS

General information

Salts for Analysis

Our salts for analysis are manufactured under strict production guidelines. Analytical purity and best quality reliably characterize each batch. Salts in p.a. quality made by Carl ROTH meet the high requirements for reproducible results. Most of our salts are additionally specified according to international standards like ACS and ISO.

p.a.: pro analysi (for analysis)ACS: American Chemical SocietyISO: International Standard Organisation

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.)≥99,0 %
pH value (5 % in H2O)4,2-4,5
In H2O insoluble matter≤0,005 %
Total nitrogen (as N)≤0,001 %
Chloride (Cl)≤0,0005 %
Sulphate (SO4)≤0,003 %
Arsenic (As)≤0,00005 %
Lead (Pb)≤0,0002 %
Calcium (Ca)≤0,005 %
Iron (Fe)≤0,0005 %
Copper (Cu)≤0,0002 %
Magnesium (Mg)≤0,005 %
Nickel (Ni)≤0,001 %
Heavy metals (as Pb)≤0,0005 %

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