Model Number

sodium bifluoride

Sodium Bifluoride

Formula:NaHF₂                             M.W.:61.99

Properties: It is a white crystal with relative density of 2.08. It is soluble in water, but insoluble in ethanol. Its aqueous solution can etch glass. When heated sodium hydrogen fluoride decomposes into sodium fluoride and hydrogen fluoride.

Specification: (%)

                                                              High-grade                  First-grade

Assay (NaHF₂)                                      99.0min.                      98.0 min.

Water-insoluble matter                                   0.2 max.                      0.5 max.

Free acid (HF)                                      0.2 max.                      0.2 max.

Cl                                                          0.1 max.                      0.1 max.

SO₄                                                         0.1 max.                      0.1 max.

SiO₂                                                      0.3 max.                      0.5max.

H₂O                                                       0.2 max.                      0.5max.

Granularity (through 325 M sieve)          3 max                          3 max

Application:  It is used as aseptic, glass etchant and flux of metal. It is also used for texture finishing of textile, insect proof treatment of leather and production of hydrogen fluoride.

Storage: Store at a dry place. Do not store with organic compounds together.

Packing: 25Kg net, pack sealed with double plastic bags lined plastic woven sack.

Hazard details:  UN No.: 2439              Class:    8            Packing group:    Ⅱ