Sodium Starch Phosphate

Product Description

other names Sodium pyrosulfite
Sodium disulfite
Identifiers
CAS number 7681-57-4
PubChem 24346
EC number 231-673-0
RTECS number UX8225000
Properties
Molecular formula Na2S2O5, Na-O-(S=O)-O-(S=O)-O-Na
Molar mass 190.107 g/mol
Appearance white powder
Density 1.48 g/cm3
Melting point >170 °C (begins at 150 °C)
 
Solubility in water 54 g/100 ml
Hazards
MSDS Mallinckrodt MSDS
EU Index 016-063-00-2
EU classification Harmful (Xn)