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LC5437 di-Sodium hydrogen phosphate heptahydrate
for analysis EMSURE ACS

 

Order number Packaging Quantity Price €
AC32437 Plastic bottle 1 kg 28.35
AC32437 Fibre carton 25 kg Inquire

 

Product information
Grade ACS
Hill Formula HNa2O4P * 7 H2O
Chemical formula Na2HPO4 * 7 H2O
HS Code 2835 22 00
EC number 231-448-7
Molar mass 268.03 g/mol
Storage Store at +15°C to +25°C.
CAS number 7782-85-6

 

Chemical and physical data
Solubility 154 g/l (20 °C)
Melting point 48 °C Elimination of water of crystallisation
Molar mass 268.03 g/mol
Density 1.68 g/cm3 (20 °C)
Bulk density 800 kg/m3
pH value 8.7 – 9.3 (50 g/l, H2O, 25 °C)

 

Safety information
RTECS WC4600000
Storage class 10 – 13 Other liquids and solids
WGK WGK 1 slightly water endangering
Disposal 14
Inorganic salts: Container I. Neutral solutions of the these salts: Container D. Before placing in Container D, check the pH with pH-Universal indicator strips (Item No. 109535).

 

Toxicological data
LD 50 oral LD50 rat 12930 mg/kg

 

Specifications
Assay (acidimetric) 98.0 – 102.0 %
Identity passes test
Insoluble matter ≤ 0.005 %
pH-value (5 %; water) 8.7 – 9.3
Chloride (Cl) ≤ 0.001 %
Sulphate (SO4) ≤ 0.005 %
Heavy metals (as Pb) ≤ 0.001 %
Fe (Iron) ≤ 0.001 %