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139-56-0

139-56-0 structure
139-56-0 structure

Name (3E)-6-oxo-3-[(4-sulfamoylphenyl)hydrazinylidene]cyclohexa-1,4-diene-1-carboxylic acid
Synonyms Lutazol
Salazosulfamide
Oftazol
EINECS 205-366-7
2-Hydroxy-5-[(4-sulfamoylphenyl)diazenyl]benzoic acid
Chromo-Sulfol
Benzoic acid, 5-[2-[4-(aminosulfonyl)phenyl]diazenyl]-2-hydroxy-
Ophtazol
Salosept
Salazosulfamidum
Salazosulfamida
Density 1.6±0.1 g/cm3
Boiling Point 639.9±65.0 °C at 760 mmHg
Molecular Formula C13H11N3O5S
Molecular Weight 321.309
Flash Point 340.8±34.3 °C
Exact Mass 321.041931
PSA 150.79000
LogP 2.45
Vapour Pressure 0.0±2.0 mmHg at 25°C
Index of Refraction 1.690
HS Code 2935009090
HS Code 2935009090
Summary 2935009090 other sulphonamides VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:35.0%