| Molecular Fomrula: C5H4O2   Molecular Weight: 96.09  FEMA#: 2692   CAS#: 590-86-3 Specification: 
                    
                      | Appearance | colorless  transparent  liquid |  
                      | Odor | strong, irritating and unpleasant odor |  
                      | Assay(%) | ≥99 |  
                      | Relative Density20℃/20℃ | 0.7860—0.7795 |  
                      | Refractive Index(20℃) | 1.3890—1.3910 |  
                      | Solubility(20℃) | soluble in water, 15 g/L |  
                      | Aldehyde content(%) | ≥99 |  
                      | Acid value (mg.KOH/g) | ≤1.0 |  
                      | Packing & Storage | 200L plastic drum, 25L plastic drum.  
                        Stored in cool and dry place, should not be put in open air. |  |