Potassium disulfite for analysis
Product Information
CAS number 16731-55-8
EC number 240-795-3
Hill Formula K₂O₅S₂
Chemical formula K₂S₂O₅
Molar Mass 222.33 g/mol
HS Code 2832 20 00
Melting Point 150 °C (decomposition)
pH value 3.0 – 4.5 (50 g/l, H₂O, 20 °C)
Bulk density 1000 – 1300 kg/m3
Solubility 450 g/l