The Triethylene glycol di(p-toluenesulfonate), with CAS registry number 19249-03-7, has the systematic name of ethane-1,2-diylbis(oxyethane-2,1-diyl) bis(4-methylbenzenesulfonate). This chemical is a kind of white powder. And the chemical formula of this chemical is C₂₀H₂₆O₈S₂.

Physical properties of Triethylene glycol di(p-toluenesulfonate): (1)ACD/LogP: 2.34; (2)# of Rule of 5 Violations: 0; (3)#H bond acceptors: 8; (4)#H bond donors: 0; (5)#Freely Rotating Bonds: 13; (6)Polar Surface Area: 121.96 Å²; (7)Index of Refraction: 1.544; (8)Molar Refractivity: 113.1 cm³; (9)Molar Volume: 357.9 cm³; (10)Polarizability: 44.83×10^-24cm³; (11)Surface Tension: 46.6 dyne/cm; (12)Density: 1.281 g/cm³; (13)Flash Point: 321.7 °C; (14)Enthalpy of Vaporization: 87.07 kJ/mol; (15)Boiling Point: 608.4 °C at 760 mmHg; (16)Vapour Pressure: 4.27E-14 mmHg at 25°C.

Preparation: this chemical can be prepared by toluene-4-sulfonyl chloride and 2,2'-ethane-1,2-diyldioxy-bis-ethanol. This reaction will need reagent aq. NaOH. The yield is about 60%.

When you are using this chemical, please be cautious about it as the following:
The Triethylene glycol di(p-toluenesulfonate) irritates to eyes, respiratory system and skin. When use it, wear suitable protective clothing, gloves and eye/face protection. If contact with eyes, rinse immediately with plenty of water and seek medical advice.

You can still convert the following datas into molecular structure:
(1)SMILES: O=S(=O)(OCCOCCOCCOS(=O)(=O)c1ccc(cc1)C)c2ccc(cc2)C
(2)InChI: InChI=1/C20H26O8S2/c1-17-3-7-19(8-4-17)29(21,22)27-15-13-25-11-12-26-14-16-28-30(23,24)20-9-5-18(2)6-10-20/h3-10H,11-16H2,1-2H3
(3)InChIKey: KCONMNWPRXAWKK-UHFFFAOYAG
(4)Std. InChI: InChI=1S/C20H26O8S2/c1-17-3-7-19(8-4-17)29(21,22)27-15-13-25-11-12-26-14-16-28-30(23,24)20-9-5-18(2)6-10-20/h3-10H,11-16H2,1-2H3
(5)Std. InChIKey: KCONMNWPRXAWKK-UHFFFAOYSA-N