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LC5263 Sodium thiosulfate pentahydrate for analysis |
Order number | Packaging | Quantity | Price € |
AC32263 | Plastic bottle | 500 g | 14.85 |
AC32263 | Plastic bottle | 1 kg | 25.65 |
AC32263 | Plastic bottle | 5 kg | 106.20 |
AC32263 | Fiber carton | 50 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 |
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) | 99.5 – 101.0 % |
Identity | passes test |
Clarity of solution | passes test |
Insoluble matter | ≤ 0.005 % |
pH-value – 5 %; water, 25 °C |
6.0 – 7.5 |
– 10 %; water | 6.0 – 7.5 |
Chloride (Cl) | ≤ 0.008 % |
Sulfate and sulphite (as SO4) | ≤ 0.1 % |
Sulfide (S) | passes test |
Heavy metals (as Pb) | ≤ 0.001 % |
Total nitrogen (N) | ≤ 0.002 % |
Ca (Calcium) | ≤ 0.002 % |
Cu (Copper) | ≤ 0.0005 % |
Fe (Iron) | ≤ 0.0005 % |
K (Potassium) | ≤ 0.001 % |
Mg (Magnesium) | ≤ 0.001 % |
Pb (Lead) | ≤ 0.0005 % |