Sodiumfluoride
(Medicalgrade)
CAS No.:7681-49-4
UN No.:1690
HS Code:2826192010
Molecular weightï¼Â???? 42
ãÂ????Â????PropertiesãÂ????Â????:Sodiumfluoride is anhydrous white crystal or powder. Molecular formula isNaF. Specific gravity is 2.6. It is slightly soluble in water,insoluble in ethanol.
ãÂ????Â????QualitystandardãÂ????Â????:qualifiedwith the standardãÂ????Â????GB4293-84ãÂ????Â????excellent grade.
Indexitem | Standard content(%) | Test result(%) |
appearance | White powder | White powder |
Sodiumfluorideï¼Â????NaFï¼Â???? | ≥99 | 99.5 |
Silicon dioxideï¼Â????SiO2ï¼Â???? | ≤0.5 | 0.15 |
Sulfateï¼Â????SiO4ï¼Â???? | ≤0.2 | 0.03 |
Acidityï¼Â????HFï¼Â???? | ≤0.1 | --- |
Sodium carbonateï¼Â????Na2CO3ï¼Â???? | ≤0.1 | 0.02 |
Water insolublematter | ≤0.5 | 0.03 |
Waterï¼Â????H2Oï¼Â???? | ≤0.5 | 0.1 |
Pb | ≤0.005 | 0.002 |
Fe | ≤0.005 | 0.003 |
As | ≤0.0005 | 0.0004 |
Mesh size | 80—200mesh | 180-200mesh |
ãÂ????Â????ApplicationãÂ????Â????:It is used for water treatment agent, medical industry andporcelain enamel.
ãÂ????Â????PackingãÂ????Â????:Polyethylene weaving inner lined with plastic bag. Net weight is25kgï¼Â????exported packingï¼Â????.
ãÂ????Â????storage andtransportationãÂ????Â????: Inorganic toxicsubstance, and should be stored in dry and adequately ventilatedwarehouse, and may not be co-stored or co-transported with sulfuricacid and edible food.
