Natriummetabisulfit USP, NF, BP, Ph. Eur., rein

Lieferant: PanReac AppliChem

Synonyme: DisulfitNatriumpyrosulfitdi-NatriumdisulfitNatriumdisulfitPyrosulfit

APPC141698.1211EA 29.8 EUR
APPC141698.1211 APPC141698.1214
Natriummetabisulfit USP, NF, BP, Ph. Eur., rein
Natriummetabisulfit
Formel: Na₂S₂O₅
Molecular Weight: 190,11 g/mol
MDL: MFCD00167602
CAS-Nummer: 7681-57-4
https://de.vwr.com/stibo/web/std.lang.all/06/32/16640632.jpg

Bestellen

Spezifikation Testergebnisse

Appearance Crystals, crystalline powder, white
Assay (as SO₂) 65,0 - 67,4%
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

Learn more

About VWR

Avantor is a vertically integrated, global supplier of discovery-to-delivery solutions for...

Mehr About VWR