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Sodio tiosolfato pentaidrato 99.0-101.0% (by iodometry), cristallizzato, EMPROVE® ESSENTIAL Ph. Eur., BP, USP, SAFC®

Fornitore: MERCK PRODUCTION CHEMICALS

1.06514.2500 1.06514.9025 1.06514.9012
1.06514.2500EA 301 EUR
1.06514.2500 1.06514.9025 1.06514.9012
Sodio tiosolfato pentaidrato 99.0-101.0% (by iodometry), cristallizzato, EMPROVE® ESSENTIAL Ph. Eur., BP, USP, SAFC®
Sodio tiosolfato pentaidrato
Formula: Na₂S₂O₃.5H₂O
Peso molecolare: 248,19 g/mol
Punto di fusione: 48 °C
Densità: 1,67 g/cm³ (20 °C)
Temperatura di stoccaggio: Ambiente
MDL Number: MFCD00149186
CAS Number: 10102-17-7
EINECS: 231-867-5
Merck Index: 12,08844

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Risultati del test di specificazione

Assay (iodometric) 99.0 - 101.0 %
Assay (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 (ICH Q3C) excluded by manufacturing process
Water 32.0 - 37.0 %
Elemental impurity specifications have been set considering ICH Q3D (Guideline for Elemental Impurities). Class 1-3 elements are not likely to be present above the ICH Q3D option 1 limit, unless specified and indicated (*).
Corresponds to Ph Eur,BP,USP

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