| Name | 4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodobenzoic acid | 
|---|---|
| Synonyms | 
                                
                                TFA 4
                                
                                
                                 3.5-Dijod-4-(3.5-dijod-4-oxy-phenoxy)-benzoesaeure 4-(4-hydroxy-3,5-diiodo-phenoxy)-3,5-diiodo-benzoic acid 3,3',5,5'-Tetraiodothyroformic acid 2.6.3'.5'-Tetrajod-4'-oxy-diphenylaether-carbonsaeure-(4) 4-(4-Hydroxy-3,5-dijod-phenoxy)-3,5-dijod-benzoesaeure Tetraiodothyroformic Acid Tetrajod-thyroameisensaeure  | 
                        
| Density | 2.83g/cm3 | 
|---|---|
| Boiling Point | 525.4ºC at 760mmHg | 
| Melting Point | 236-239ºC (dec.) | 
| Molecular Formula | C13H8I2O4 | 
| Molecular Weight | 482.00900 | 
| Flash Point | 271.5ºC | 
| Exact Mass | 481.85100 | 
| PSA | 66.76000 | 
| LogP | 4.09190 | 
| Vapour Pressure | 7.26E-12mmHg at 25°C | 
| Index of Refraction | 1.822 | 
| HS Code | 2918990090 | 
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| HS Code | 2918990090 | 
|---|---|
| Summary | 2918990090. other carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0% |