di-Sodium hydrogen phosphate, 1 kg
Molar mass (M) 141,96 g/mol
Melting point (mp) 450 °C
CAS No. [7558-79-4]
excl. VAT. | 1 kg per Pack Qty.
Art. No. P030.2
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Indicators and Dyes
Carl ROTH offers many indicators and dyes of high purity, which can be used in special applications.
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.
Definition:p.a.: pro analysi (for analysis)ACS: American Chemical SocietyISO: International Standard Organisation
|Assay (acidim.)||≥99,0 %|
|pH value (5 % in water)||8,7-9,3|
|In H2O insoluble matter||≤0,01 %|
|Loss on drying (105 °C)||≤0,2 %|
|Total nitrogen (as N)||≤0,002 %|
|Chloride (Cl)||≤0,002 %|
|Pyrophosphate (P2O7)||≤0,2 %|
|Sulphate (SO4)||≤0,005 %|
|Arsenic (As)||≤0,00005 %|
|Lead (Pb)||≤0,001 %|
|Cadmium (Cd)||≤0,0005 %|
|Calcium (Ca)||≤0,001 %|
|Cobalt (Co)||≤0,0005 %|
|Iron (Fe)||≤0,001 %|
|Potassium (K)||≤0,01 %|
|Copper (Cu)||≤0,0005 %|
|Magnesium (Mg)||≤0,001 %|
|Manganese (Mn)||≤0,0005 %|
|Nickel (Ni)||≤0,0005 %|
|Heavy metals (as Pb)||≤0,001 %|
|Zinc (Zn)||≤0,0005 %|