products

Product Name: Sodium Stannate trihydrate
CAS: 12209-98-2
Molecular Formula: H6Na2O6Sn
Molecular Weight: 266.73
Synonyms: Stannate(SnO32-),disodiumsalt,trihydrate;Sodiumstannatetrihydrate

Physical properties

Appearance                    White powder
Density,20℃,g/cm3        1.438

Solubility                        Insoluble in water, ethanol & other organic solvents.

Specification  
Items                                          High grade                           Industry grade
Apperance                                white powder                    white powder
Sn                                               ≥42%                                  ≥36.5%
Pb                                              ≤0.002%                            ≤0.002%
Sb                                              ≤0.0025%                          ≤0.002%
As                                              ≤0.001%                             ≤0.002%
Fe                                              ≤0.02%                               ≤0.02%
NaOH                                       ≤3.5%                                  ≤4.5%
No3                                           ≤0.1%                                  ≤0.2%
Alkali insolubles                    ≤0.1%                                  ≤0.2%

Application

Electroplating industry:  Mainly used in alkaline tin plating industry and plating copper, tin and tin alloy, zinc alloy, aluminum alloy electroplating and chemical plating, etc

Textile industry:  Used for fire prevention agent, weighting agent

Dyeing industry: Used as a mordant

Other areas: Glass and ceramics

Package

25kg/drum,12mt per 20GP container

Safety on transportation

Always refer to MSDS.

Storage and handling

Keep tightly closed, store in a cool dry place.

Please refer to the Materials Safety Data Sheet (MSDS) for the handling methods.