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Ethyl P-toluenesulfonate CAS 80-40-0

Ethyl P-toluenesulfonate is colourless to light yellow oily liquid. Mainly used as alkylation reagent (e.g. drug/dye synthesis), organic reaction activator and surfactant intermediate, its sulfonate group's high reactivity is outstanding. It needs to be sealed and stored away from light, and has strong irritation to skin and mucous membrane, operation needs protection.
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  • 80-40-0

Ethyl p-toluenesulfonate Basic information
Product Name: Ethyl p-toluenesulfonate
CAS: 80-40-0
MF: C9H12O3S
MW: 200.25
EINECS: 201-276-7
Mol File: 80-40-0.mol
Ethyl p-toluenesulfonate Chemical Properties
Melting point 29-33 °C(lit.)
Boiling point 158-162 °C10 mm Hg(lit.)
density 1.174 g/mL at 25 °C(lit.)
vapor pressure 0.6 hPa (14 °C)
refractive index n20/D 1.511(lit.)
Fp 316 °F
storage temp. 2-8°C
solubility 1.24g/l
form Liquid After Melting
color Clear colorless to pale brown
Water Solubility Insoluble
Sensitive Moisture Sensitive
Merck 143,858
BRN 611213
CAS DataBase Reference 80-40-0(CAS DataBase Reference)
NIST Chemistry Reference Benzenesulfonic acid, 4-methyl-, ethyl ester(80-40-0)
EPA Substance Registry System Benzenesulfonic acid, 4-methyl-, ethyl ester (80-40-0)

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