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技术参数/Specifications
Sulfor tetrafluoride 

Property 
formula:SF4 
Molecular weight:108.05 
GB ID:23019 
CAS number:7783-60-0 
Risk category: 2.3 Class Toxic Gas 
Chemistry Class:Halogens and halogen compounds 

Physical and chemical properties 
Melting(oC):-121.0 
Boiling(oC):-38 
Density:Density(water = 1)1.95(liquid),2.35(solid); 
density(air =1)3.7 
Critical temperature(oC):90.9 
Critical pressure:6342.9kPa 
Solubility:Soluble in benzene 
Stability:Stable 

Transportation information 
Risk number:23019 
NO.:2418 
Package class:Ⅱ 
Package mark:6 
Package :Steel cylinder 
Transportation:by bus、by train、by ship ,by air 
Product description 
SF4 is familiar with SO2.In normal temperature and press, it is a kind of colorless toxic gas with strong Irritating odor. It can’t be fire in air .It is stable when the temperature is below 600oC, but when it occurs with moist air, it will be hydrolyzed and produce Toxic fumes which has strong toxic just like Phosgene. When SF4 reacts strongly with water and acid, it will produce hydrogen fluoride and sulfur dioxide. When has a little water, it will rust Glass.SF4 can soluble in benzene and it is widely used as fluorinating agent. 

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