Name: Sodium Metabisulphite
Molecular formula: Na2S2O5
Molecular weight: 190.09
Physical and Chemical property: strong SO2 odour, proportion is 1.4, melting point >300℃, density 1.48
solubility: soluble in water ,alcohol, and acetone and in acidic solution, Na2S2O5+ strong acid →SO2+salt, Na2S2O5+O2→Na2S2O6, Na2S2O5(1500°C)→SO2 and others .
Specification Industry/food
Appearance White crystalline


Storage and transportation: To prevent damage, moisture, heat metamorphism. Forbid to coexist with acid and xidants, storage for six months
Usage: Used in rubber (concreting), printing and dyeing (threshing agent), organic synthesis, printing, the leather making, pharmacy, In food processing of bleaching agent and antiseptic, osteoporosis.


Name Sodium Metabisulphite
Molecular formula Na2S2O5
Molecular weight 190.09
CAS code 7681-57-4
EINECS code 231-673-0
Specification Industry/food
Package 25kg/pp bag
loading 25MT/20ºFCL
Hazardous chemicals yes
Supervision condition none
HS code 28321000
Port of loading Tianjin or Qingdao
Target market Australia
Pallet or not no