Na2S2O5   M.W : 190.11 
 CAS : 7681-57-4 
 EC : 231-673-0 
 EC INDEX : 016-063-00-2 
H : H302-H318 -EUH031 
P : P280-P305 + P351 + P338-P313 
 
 
 Specifications :
- Assay  ? 98%
- Appearance  white/crystalline powder
- Substances insoluble in water (H2O)  ? 0.005%
- Chloride (Cl-)  ? 0.005%
- Iron (Fe)  ? 0.0005%
- Heavy metals (Pb)  ? 0.002%
- Arsenic (As)  ? 0.00005%
packaging: plastic bottle, volume: 1 kg, pcs per sales unit: SOMB-00A-1K0