2,4-Pentandione structure 
             | 
        Common Name | 2,4-Pentandione | ||
|---|---|---|---|---|
| CAS Number | 123-54-6 | Molecular Weight | 100.116 | |
| Density | 1.0±0.1 g/cm3 | Boiling Point | 138.4±13.0 °C at 760 mmHg | |
| Molecular Formula | C5H8O2 | Melting Point | -23 °C | |
| MSDS | Chinese USA | Flash Point | 43.1±16.8 °C | |
| Symbol | 
             
            
             
            
            GHS02, GHS06  | 
        Signal Word | Danger | |
| Name | acetylacetone | 
|---|---|
| Synonym | More Synonyms | 
| Density | 1.0±0.1 g/cm3 | 
|---|---|
| Boiling Point | 138.4±13.0 °C at 760 mmHg | 
| Melting Point | -23 °C | 
| Molecular Formula | C5H8O2 | 
| Molecular Weight | 100.116 | 
| Flash Point | 43.1±16.8 °C | 
| Exact Mass | 100.052429 | 
| PSA | 34.14000 | 
| LogP | 0.34 | 
| Vapour density | 3.5 (vs air) | 
| Vapour Pressure | 6.7±0.3 mmHg at 25°C | 
| Index of Refraction | 1.395 | 
| Water Solubility | 16 g/100 mL (20 ºC) | 
                                    CHEMICAL IDENTIFICATION
 
 
 
 
 
 
 
 
 HEALTH HAZARD DATAACUTE TOXICITY DATA
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 MUTATION DATA
 
 
 
  | 
                            
| Symbol | 
                                    
                                     
                                    
                                     
                                    
                                    GHS02, GHS06  | 
                            
|---|---|
| Signal Word | Danger | 
| Hazard Statements | H226-H302-H311-H331 | 
| Precautionary Statements | P261-P280-P311 | 
| Personal Protective Equipment | Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter | 
| Hazard Codes | Xn:Harmful | 
| Risk Phrases | R10;R22 | 
| Safety Phrases | S21-S23-S24/25 | 
| RIDADR | UN 2310 3/PG 3 | 
| WGK Germany | 1 | 
| RTECS | SA1925000 | 
| Packaging Group | III | 
| Hazard Class | 3 | 
| HS Code | 2914190090 | 
| Precursor 9 | |
|---|---|
| DownStream 10 | |
| HS Code | 2914190090 | 
|---|---|
| Summary | 2914190090 other acyclic ketones without other oxygen function。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0% | 
| 
                                    
                                    The "New Polyethylene Glycol Dilemma": Polyethylene Glycol Impurities and Their Paradox Role in mAb Crystallization.
                                    
                                    
                                     J. Pharm. Sci. 104 , 1938-45, (2015) Polyethylene glycols (PEG) represent the most successful and frequently applied class of excipients used for protein crystallization. PEG auto-oxidation and formation of impurities such as peroxides a...  | 
                                |
| 
                                    
                                    Bi-phasic titanium dioxide nanoparticles doped with nitrogen and neodymium for enhanced photocatalysis.
                                    
                                    
                                     Nanoscale 7 , 17735-44, (2015) Bi-phasic or multi-phasic composite nanoparticles for use in photocatalysis have been produced by a new synthetic approach. Sol-gel methods are used to deposit multiple layers of active material onto ...  | 
                                |
| 
                                    
                                    Vanadium(IV) and copper(II) complexes of salicylaldimines and aromatic heterocycles: Cytotoxicity, DNA binding and DNA cleavage properties.
                                    
                                    
                                     J. Inorg. Biochem. 147 , 134-46, (2015) Five copper(II) complexes, [Cu(sal-Gly)(bipy)](1), [Cu(sal-Gly)(phen)] (2), [Cu(sal-l-Ala)(phen)] (3), [Cu(sal-D-Ala)(phen)] (4), [Cu(sal-l-Phe)(phen)] (5) and five oxidovanadium(IV) complexes, [V(IV)...  | 
                                
| EINECS 204-634-0 | 
| Acetone, acetyl- | 
| 2,4-Dioxopentane | 
| Acetylaeetone | 
| Diacetylmethane | 
| MeC(O)CH2C(O)Me | 
| acetyl | 
| Acetyl-propanone-2 | 
| MFCD00008787 | 
| 2,4-Pentadione | 
| 2,4-Pentanedione | 
| pentan-2,4-dione | 
| Axetacetone | 
| ACAC | 
| FEMA 2841 | 
| Pentanedione | 
| Acetylactone | 
| acetylaceton | 
| CH3-CO-CH2-CO-CH3 | 
| acetoacetone | 
| Pentane-2,4-dione | 
| Hacac | 
| 2,4-pentandione | 
| acetyl-aceton | 
| CH3COCH2COCH3 | 
| Acetylacetone | 
| 1V1V1 |