Diethylene glycol di(p-toluenesulfonate) , 98% , 7460-82-4

Synonym(s):
2,2′-Oxydiethyl ditosylate;Bis(2-tosyloxyethyl)ether;Diethylene glycol ditosylate

CAS NO.：7460-82-4

Empirical Formula: C18H22O7S2

Molecular Weight: 414.49

MDL number: MFCD00026001

EINECS: 628-596-3

PRODUCT Properties

• Melting point: 87-89 °C (lit.)
• Boiling point: 581.2±45.0 °C(Predicted)
• Density: 1.301±0.06 g/cm3(Predicted)
• storage temp.: Sealed in dry,Room Temperature
• solubility: Chloroform (Slightly), Ethyl Acetate (Slightly)
• form: Solid
• color: Off-White
• BRN: 583800
• InChI: InChI=1S/C18H22O7S2/c1-15-3-7-17(8-4-15)26(19,20)24-13-11-23-12-14-25-27(21,22)18-9-5-16(2)6-10-18/h3-10H,11-14H2,1-2H3
• InChIKey: VYVPNTJBGPQTFA-UHFFFAOYSA-N
• SMILES: O(CCOS(C1=CC=C(C)C=C1)(=O)=O)CCOS(C1=CC=C(C)C=C1)(=O)=O
• CAS DataBase Reference: 7460-82-4(CAS DataBase Reference)
• EPA Substance Registry System: Ethanol, 2,2'-oxybis-, bis(4-methylbenzenesulfonate) (7460-82-4)

Description and Uses

Tos-PEG3-Tos is a PEG linker containing two tosyl groups. The hydrophilic PEG spacer increases solubility in aqueous media. The tosyl group is a very good leaving group for nucleophilic substitution reactions.

Diethylene glycol di(p-toluenesulfonate) was used in the synthesis of bis(dibenzosulfoxo)-27,30,35,38-tetramethyl-24-crown-6, bis(dibenzosulfoxo)-21,24,29,32-tetramethyl-18-crown-4, dibenzosulfoxo-15,18-dimethyl-12-crown-3 and dibenzosulfoxo-12,15-dimethyl-9-crown-2 macrocycles.

Safety

• Symbol(GHS): GHS07
• Signal word: Warning
• Hazard statements: H315-H319-H335
• Precautionary statements: P261-P264-P271-P280-P302+P352-P305+P351+P338
• Hazard Codes: Xi
• Risk Statements: 36/37/38
• Safety Statements: 26-36
• WGK Germany: 3
• HS Code: 2909.30.6000