4-Hydroxy-2-thiophenecarboxylic acid
Names
[ CAS No. ]:
40748-90-1
[ Name ]:
4-Hydroxy-2-thiophenecarboxylic acid
[Synonym ]:
2-Thiophenecarboxylic acid,4-hydroxy
4-Hydroxy-thiophen-2-carbonsaeure
3-Hydroxy-5-hydroxycarbonyl-thiophen
2-Thiophenecarboxylic acid, 4-hydroxy-
4-Hydroxy-2-thiophenecarboxylic acid
4-hydroxy-2-thenoic acid
4-hydroxy-thiophene-2-carboxylic acid
Chemical & Physical Properties
[ Density]:
1.6±0.1 g/cm3
[ Boiling Point ]:
381.0±27.0 °C at 760 mmHg
[ Molecular Formula ]:
C5H4O3S
[ Molecular Weight ]:
144.148
[ Flash Point ]:
184.2±23.7 °C
[ Exact Mass ]:
143.988113
[ PSA ]:
85.77000
[ LogP ]:
1.18
[ Vapour Pressure ]:
0.0±0.9 mmHg at 25°C
[ Index of Refraction ]:
1.667
Safety Information
[ HS Code ]:
2934999090
Synthetic Route
Precursor & DownStream
Precursor
DownStream
Customs
[ HS Code ]: 2934999090
[ Summary ]:
2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%