Technical Data Sheet

Product         : Sodium Bisulphite

Formula        : NaHSO3

CAS NO           : 7631-90-5

Physical & Chemical Characteristics:

1. Appearance : Clear citrine yellow liquid
2. pH @ 25°C (As it is)                         : 4 – 5
3. Assay as NaHSO3             : 39 ± 1%
4. Assay as SO2 : 24 ± 1.
5. Assay as Na2SO3 : 1.0% Max
6. Specific Gravity @25°C : 1.30 – 1.38 gm/cm3
7. Iron as Fe : 5.0 PPM Max.
8. Insoluble Matter : NIL

Major Applications

• In chemical synthesis, in the purification of aldheydes and ketones, as catalyst, in the production of sulphonates, pesticides and herbicides, etc.
• In  textile and pulp & paper industry: as bleaching agent, and for removing of excess of chlorine and peroxides.
• In  drilling water (oil extracting industry), as oxygen scavenger.
• In  steam boiler water treatment to remove dissolved oxygen and to decrease metal contaminants (mainly copper)

Packing

ISO Tankers,

1000 Lit. IBC and 220 Lit HDPE Drums.

Storage

• Store in ventilated dry area and under shed.
• Keep containers closed when not use, solution is acidic and oxidize when contact with air & water.
• Shelf life: 6 Months.