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LC5269 penta-Sodium triphosphate
for BOD determination acc. to DIN 38409-H-51

 

Order number Packaging Quantity Price €
AC32269 Plastic bottle 1 kg 25.20

 

Product information
Hill Formula Na5O10P3
Chemical formula Na5P3O10
HS Code 2835 31 00
EC number 231-838-7
Molar mass 367.86 g/mol
CAS number 7758-29-4

 

Chemical and physical data
Solubility 150 g/l (20 °C)
Melting point 622 °C (decomposition)
Molar mass 367.86 g/mol
Density 2.52 g/cm3 (20 °C)
Bulk density 500 kg/m3
pH value 9.9 (10 g/l, H2O, 20 °C)
Vapor pressure < – 0.1 hPa (20 °C)

 

Safety information
S Phrase S 24/25
Avoid contact with skin and eyes.
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 3120 mg/kg
LD 50 dermal LD50 rabbit > 7940 mg/kg

 

Specifications
Assay (acidimetric, P2O5) 57 – 59 %
pH-value (1 %; water) 9 – 10
Fe (Iron) ≤ 0.005 %