Sodium Hydrosulfite

Product: Sodium hydrosulfite 88%min

Molecular formula: Na₂S₂O₄

Molecular weight: 174.11

Appearance: white crystalline powder.

Package: 50kg/iron drum

Specification: purity:   90% min

                    Na2CO3:  1.5-2.5%

                    Na2S2O3:   1-1.5%

                    Na2S2O5:   5.5-6.5%

                     Na2SO3:   2-2.5%

                      Fe:   18ppm max

                water insoluble:  0.1% max

Application:

    a) As reducer, dye auxiliary in dyeing industry, synthetic and intermediates,

    b) As bleaching agent of paper pulp in paper making industry

    c) As deoxidize of rubber and styrene butadiene rubber synthesis, developer

    in photo-taking industry

We also could supply Sodium hydrosulfite 90%, welcome your inquiries, customers inquiries always meet with our warm and prompt responses.