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LC231 Ammonium dihydrogen phosphate

for analysis ACS,Reag. Ph Eur

 

Order number Packaging Quantity Price €
AC27231 Plastic bottle 500 g 18.225
AC27231 Fibre carton 50 kg Inquire

 

Product information
Grade ACS,Reag. Ph Eur
Synonyms Ammonium biphosphate, Ammonium phosphate monobasic, Primary ammonium phosphate, Monoammonium orthophosphate
Hill Formula H6NO4P
Chemical formula (NH4)H2PO4
HS Code 3105 40 00
EC number 231-764-5
Molar mass 115.02 g/mol
CAS number 7722-76-1

 

Chemical and physical data
Solubility 368 g/l (20 °C)
Melting point 190 °C
Molar mass 115.02 g/mol
Density 1.80 g/cm3 (20 °C)
Bulk density 800 – 1100 kg/m3
pH value 3.8 – 4.4 (50 g/l, H2O, 20 °C)
Vapor pressure 0.066 hPa (125 °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).

 

Transport information
LD 50 oral No Dangerous Good
LD 50 dermal No Dangerous Good

 

Toxicological data
LD 50 oral LD50 rat 5750 mg/kg
LD 50 dermal LD50 rabbit > 7940 mg/kg

 

Specifications
Assay (acidimetric) ≥ 99.0 %
Insoluble matter ≤ 0.005 %
pH-value
– 5 %; water, 25 °C		 3.8 – 4.4
– 2.3%; water about 4.2
Chloride (Cl) ≤ 0.0005 %
Nitrate (NO3) ≤ 0.001 %
Sulphate (SO4) ≤ 0.005 %
Heavy metals (as Pb) ≤ 0.0005 %
Ca (Calcium) ≤ 0.001 %
Fe (Iron) ≤ 0.001 %
K (Potassium) ≤ 0.005 %
Mg (Magnesium) ≤ 0.0005 %
Na (Sodium) ≤ 0.005 %