2-Toluenesulfonic acid

Names

[ CAS No. ]:
88-20-0

[ Name ]:
2-Toluenesulfonic acid

[Synonym ]:
Toluenesulfonic acid
Methylbenzenesulfonic acid
toluene-2-sulphonic acid
2-Methylbenzenesulfonic acid
Toluenesulphonic acid
Benzenesulfonic acid, 2-methyl-
Benzenesulfonic acid, methyl-

Chemical & Physical Properties

[ Density]:
1.3±0.1 g/cm3

[ Boiling Point ]:
272.52 °C

[ Melting Point ]:
67.5 °C

[ Molecular Formula ]:
C₇H₈O₃S

[ Molecular Weight ]:
172.202

[ Exact Mass ]:
172.019409

[ PSA ]:
62.75000

[ LogP ]:
0.93

[ Index of Refraction ]:
1.563

[ Storage condition ]:
-20°C

Safety Information

[ Hazard Codes ]:
C

[ HS Code ]:
2904100000

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

DownStream

Customs

[ HS Code ]: 2904100000

[ Summary ]:
2904100000 derivatives containing only sulpho groups, their salts and ethyl esters。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0%