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LC5402 tetra-Sodium diphosphate decahydrate
for analysis EMSURE ACS,Reag. Ph Eur

 

Order number Packaging Quantity Price €
AC32402 Plastic bottle 500 g Inquire
AC32402 Plastic bottle 2.5 kg Inquire

AC32402

Fibre carton 50 kg Inquire

 

Product information
Grade ACS,Reag. Ph Eur
Synonyms tetra-Sodium pyrophosphate, TSPP
Hill Formula Na4O7P2 * 10 H2O
Chemical formula Na4P2O7 * 10 H2O
HS Code 2835 39 00
EC number 231-767-1
Molar mass 446.06 g/mol
CAS number 13472-36-1

 

Chemical and physical data
Solubility 20 g/l (20 °C) (anhydrous substance)
Melting point 990 °C (anhydrous substance)
Molar mass 446.06 g/mol
Density 1.82 g/cm3 (20 °C)
Bulk density 650 kg/m3
pH value 9.5 – 10.5 (50 g/l, H2O, 20 °C)

 

Safety information
Storage class 10 – 13 Other liquids and solids
WGK WGK 2 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
Declaration (transport by sea) IMDG-Code No Dangerous Good
Declaration (transport by air) IATA-DGR No Dangerous Good

 

Toxicological data
LD 50 oral LD50 rat > 2000 mg/kg

 

Specifications
Assay (acidimetric) 99.0 – 103.0 %
Insoluble matter ≤ 0.01 %
pH-value (5 %; water, 25 °C) 9.5 – 10.5
Chloride (Cl) ≤ 0.001 %
Ortho phosphate PO4 ≤ 0.1 %
Sulphate (SO4) ≤ 0.005 %
Total nitrogen (N) ≤ 0.001 %
Heavy metals (as Pb) ≤ 0.0005 %
Fe (Iron) ≤ 0.0005 %
K (Potassium) ≤ 0.005 %