Sodium fluoride(industrial grade)

Molecular formula: NaF    Molecular weight: 42      Executive standard: GB4293-84 

Dangerous levels: 6.1        UN code:1690                   HS code: 2826.1920.10

Properties

colorless crystal or white powder; melting point:  993℃, boiling point:  1695℃ , relative density:  2.558; lightly soluble in alcohol; soluble in water and hydrofluoric acid

Sodium fluoride (toothpaste level)

Molecular formula: NaF        Molecular weight: 42        CAS No.: 7681-49-4 

Dangerous levels: 6.1            UN code :1690                    HS code: 2826.1920.10

Properties

colorless crystal or white powder; melting point:  993℃, boiling point:  1695℃ , relative density:  2.558; lightly soluble in alcohol; soluble in water and hydrofluoric acid

Sodium fluosilicate(industrial grade)

Molecular formula: Na₂SiF₆    Molecular weight: 188.06     Executive standard:GB23936-2009  

Dangerous levels: 6.1                 UN code: 2674                        HS code: 2826.9010.00  

Properties:

colorless or white crystal powder; no smell; realtive density:2.679g/cm3

ADC foaming agent

Molecular formula: C₂H₄N₄O₂       Molecular weight: 116.08      CAS No.: 123-77-3

Dangerous levels: 4.1                        UN code:3242                            HS code: 2927.0000.90

Properties:light yellow powder , density 1.65 ,melting point  220-225°C

Cryolite (sodium fluoroaluminate)

Molecular formula:  Na₃AlF₆      Molecular weight: 209.94      CAS No.: 13775-53-6  

Properties:

colorless monoclinic crystal, relative density: 2.9-3.0, melting point: 1000°C; lightly soluble in water