send us an inquiry
LC5265 Sodium thiosulfate pentahydrate
cryst., suitable for use as excipient

 

Order number Packaging Quantity Price €
AC32265 Plastic bottle 2.5 kg inquire
AC32265 Fiber carton 25 kg inquire

 

Product information
Hill Formula Na2O3S2 * 5 H2O
HS Code 2832 30 00
EC number 231-867-5
Molar mass 248.21 g/mol
Storage Store at +15°C to +25°C.
CAS number 10102-17-7

 

Chemical and physical data
Solubility 701 g/l (20 °C)
Melting point 48 °C
Molar mass 248.21 g/mol
Density 1.74 g/cm3 (20 °C)
Bulk density 1000 kg/m3
pH value 6.0 – 7.5 (100 g/l, H2O, 20 °C)

 

Safety information
RTECS WE6660000
Storage class 10 – 13 Other liquids and solids
WGK WGK 1 slightly water endangering
Disposal 28
Aqueous solutions: Container D.

 

Toxicological data
LD 50 oral LD50 rat > 5000 mg/kg

 

Specifications
Assay
– iodometric
99.0 – 101.0 %
– iodometric, calc.on anhydrous substance 99.0 – 100.5 %
Identity passes test
Appearance of solution passes test
pH-value (10 %; water) 6.0 – 8.4
Sulfate and sulphite (as SO4) ≤ 0.2 %
Sulfide (S) passes test
Heavy metals (as Pb) ≤ 0.001 %
Ca (Calcium) passes test
Residual solvents (Ph.Eur./USP/ICH) excluded by manufacturing process
Water 32.0 – 37.0 %