Imprimer

Sodium métabisulfite BP, Ph. Eur., NF, USP, pur

Marques : PanReac AppliChem
Ratings: Ecrire un avis

Total Evaluation: 0
Moyenne des Notes : 0.0 sur 5

Synonyme(s): Sodium disulfite, Sodium pyrosulfite

141698.1211 141698.1214
APPC141698.1211EA 114 EUR
APPC141698.1211 APPC141698.1214
Sodium métabisulfite BP, Ph. Eur., NF, USP, pur
Sodium métabisulfite
Formule: Na₂S₂O₅
Poids moléculaire: 190.11 g/mol
Point de fusion: 150
Numéro MDL: MFCD00167602
Numéro CAS: 7681-57-4
Indice Merck: 12,08784
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Résultats des tests de spécification

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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