Sodium metabisulphite for analysis
Supplier: Thermo Fisher Scientific
Certificates
About this item
CAS Number:7681-57-4
:
Formula:Na₂S₂O₅
MDL Number:MFCD00167602
:190.11 g/mol
Merck Index:12,08731
Melting Pt:150 °C (dec.)
Density:2,476 g/cm³ (20 °C)
Storage Temperature:Ambient
EINECS:231-548-0
ADR:8,III
:GHS07
:GHS05
Specification Test Results
- Appearance:White Crystalline powder
- Titration Iodimetric:≥58.5 % (SO2)
- Arsenic (As):≤1 ppm
- Iron (Fe):≤20 ppm
- Heavy metals (as Pb):≤10 ppm
- Insoluble matter:≤0.005 %