di-Potassium hydrogen phosphate trihydrate, for analysis, ExpertQ®, Reag. Ph Eur

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CAS: 16788-57-1

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x 500 g :: Plastic bottle	PO02710500	In stock	Buy

Other Packaging

Packaging	Reference	Stock	List Price
x 5 kg :: Plastic container	PO0271005P	Check stock	Buy
x 1 kg :: Plastic bottle	PO02711000	Check stock	Buy

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Characteristic
Volume : x 500 g

- Synonyms: Secondary potassium phosphate, Potassium phosphate dibasic
- K2HPO4·3H2O
- M = 228,23 g/mol
- CAS [16788-57-1]
- EINECS-No.: 231-834-5
- Solub. in water: (20 ºC): freely soluble
- Tariff number: 2835 24 00 00
- Applications: in buffer solutions (chromatography).

SPECIFICATIONS
assay (acidimetric): min. 98 %
insoluble in water: max. 0,01 %
pH (5 %, H2O): 8,5 - 9,6
chlorides (Cl): max. 0,001 %
sulfates (SO4): max. 0,005 %
total nitrogen (as N): max. 0,001 %
arsenic (As): max. 0,5 ppm
copper (Cu): max. 0,003 %
heavy metals (as Pb): max. 0,001 %
iron (Fe): max. 5 ppm
lead (Pb): max. 0,001 %
nickel (Ni): max. 0,001 %
sodium (Na): max. 0,1 %