4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodobenzoic acid
Names
[ CAS No. ]:
2055-97-2
[ Name ]:
4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodobenzoic acid
[Synonym ]:
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
Chemical & Physical Properties
[ 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
Safety Information
[ HS Code ]:
2918990090
Customs
[ 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%