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LC5400 Sodium dihydrogen phosphate monohydrate
for analysis EMSURE ACS,Reag. Ph Eur

 

Order number Packaging Quantity Price €
AC32400 Plastic bottle 500 g 17.28
AC32400 Plastic bottle 1 kg 29.48
AC32400 Fibre carton 25 kg Inquire
AC32400 Fibre carton 50 kg Inquire

 

Product information
Grade ACS,Reag. Ph Eur
Hill Formula H2NaO4P * H2O
Chemical formula NaH2PO4 * H2O
HS Code 2835 22 00
EC number 231-449-2
Molar mass 137.99 g/mol
CAS number 10049-21-5

 

Chemical and physical data
Solubility 850 g/l (20 °C)
Molar mass 137.99 g/mol
Density 2.04 g/cm3 (20 °C)
Bulk density 880 kg/m3
pH value 4.1 – 4.5 (50 g/l, H2O, 25 °C)

 

Safety information
Storage class 10 – 13 Other liquids and solids
WGK WGK 1 slightly water endangering

 

 

Toxicological data
LD 50 oral LD50 rat 8290 mg/kg
LD 50 dermal LD50 rabbit > 7940 mg/kg

 

Specifications
Assay (alkalimetric) 99.0 – 102.0 %
Insoluble matter ≤ 0.01 %
pH-value (5 %; water, 25 °C) 4.1 – 4.5
UV absorption (280 nm; 1 mol/l; 1 cm; water) ≤ 0.05
Chloride (Cl) ≤ 0.0005 %
Sulphate (SO4) ≤ 0.003 %
Total nitrogen (N) ≤ 0.001 %
Heavy metals (as Pb) ≤ 0.0005 %
Ca (Calcium) ≤ 0.005 %
Fe (Iron) ≤ 0.0005 %
K (Potassium) ≤ 0.005 %