Arsenic (AsH3) is a colorless gas with a higher density than air, soluble in water and various organic solvents.
                                    
                                    
                                        
                                            Product characteristics
                                        
                                        Arsenic is very stable at room temperature, and the rate of decomposition into hydrogen and arsenic is very slow, but when the temperature is above 230 ° C, it will decompose quickly.