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Dissulfito de dissódio BP, Ph. Eur., NF, USP, pure

Fornecedor: PanReac AppliChem

Sinônimos: Meta-bissulfito de sódio

141698.1211 141698.1214
APPC141698.1211EA 81.8 EUR
APPC141698.1211 APPC141698.1214
Dissulfito de dissódio BP, Ph. Eur., NF, USP, pure
Dissulfito de dissódio
Fórmula: Na₂S₂O₅
Peso Molecular: 190.11 g/mol
Ponto de Fusão: 150
Número MDL : MFCD00167602
Número CAS: 7681-57-4
Merck Index: 12,08784
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Especificações dos Resultados do Teste

Appearance Crystals, crystalline powder, white
Assay (as SO₂) 65,0 - 67,4%
Assay (Na₂S₂O₅) 96,5 - 100,0%
Identity according to Pharmacopoeias passes test
pH of 5% solution 3,5 - 5,0
Appearance of solution passes test
Insoluble matter in H₂O 0,025%
Chloride (Cl) 0,02%
Residual solvents passes test
Thiosulphate (S₂O₃) 0,05%
Thiosulphate (BP) passes test
Heavy metals (as Pb) 0,002%
Arsenic (As) 0,0003%
Iron (Fe) 0,002%
Lead (Pb) 0,001%
Thermal decomposition 150 °C
pH 4,0 - 4,8
Solubility Soluble in water


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