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LC5435 di-Sodium hydrogen phosphate dodecahydrate
for analysis EMSURE ISO,Reag. Ph Eur

 

Order number Packaging Quantity Price €
AC32435 Plastic bottle 500 g 15.75
AC32435 Plastic bottle 1 kg 22.5
AC32435 Plastic bottle 5 kg 80.55
AC32435 Fibre carton 25 kg Inquire

 

Product information
Grade ISO,Reag. Ph Eur
Synonyms Sodium monohydrogen phosphate, Sodium phosphate dibasic
Hill Formula HNa2O4P * 12 H2O
Chemical formula Na2HPO4 * 12 H2O
HS Code 2835 22 00
EC number 231-448-7
Molar mass 358.14 g/mol
CAS number 10039-32-4

 

Chemical and physical data
Solubility 218 g/l (20 °C)
Melting point 35 °C
Molar mass 358.14 g/mol
Density 1.52 g/cm3 (20 °C)
Bulk density 800 – 900 kg/m3
pH value 9.0 – 9.3 (50 g/l, H2O, 20 °C)

 

Safety information
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 > 2000 mg/kg

 

Specifications
Assay (acidimetric) 99.0 – 102.0 %
Identity passes test
Clarity of solution passes test
Sodium Dihydrogene phospate ≤ 2.5 %
pH-value (5 %; water) 9.0 – 9.3
Chloride (Cl) ≤ 0.0005 %
Sulphate (SO4) ≤ 0.005 %
Total nitrogen (N) ≤ 0.001 %
Heavy metals (as Pb) ≤ 0.0005 %
As (Arsenic) ≤ 0.00005 %
Cu (Copper) ≤ 0.0002 %
Fe (Iron) ≤ 0.0005 %
K (Potassium) ≤ 0.005 %
Pb (Lead) ≤ 0.0005 %
Reducing substances passes test
Water 57.0 – 61.0 %