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HomeProduct name listPENTA(ETHYLENE GLYCOL) DI-P-TOLUENESULFONATE

PENTA(ETHYLENE GLYCOL) DI-P-TOLUENESULFONATE

Synonym(s):3,6,9,12-Tetraoxatetradecane-1,14-diyl ditosylate;Pentaethylene glycol ditosylate

PENTA(ETHYLENE GLYCOL) DI-P-TOLUENESULFONATE Structural

What is PENTA(ETHYLENE GLYCOL) DI-P-TOLUENESULFONATE?

Description

Tos-PEG6-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.

The Uses of PENTA(ETHYLENE GLYCOL) DI-P-TOLUENESULFONATE

PENTA(ETHYLENE GLYCOL) DI-P-TOLUENESULFONATE is used to prepare calix[4]arenes,1 calix[5]arenes,2 and crown ethers.3

The Uses of PENTA(ETHYLENE GLYCOL) DI-P-TOLUENESULFONATE

Pentaethylene glycol di-p-toluenesulfonate is used in the preparation of calix[4]arenes, calix[5]arenes, and crown ethers. It is also used in the preparation of 3?-formylbenzo-18-crown-6 by undergoing coupling reaction with 2,3-dihydroxybenzaldehyde.

Properties of PENTA(ETHYLENE GLYCOL) DI-P-TOLUENESULFONATE

Boiling point: 661.4±55.0 °C(Predicted)
Density  1.26 g/mL at 25 °C (lit.)
refractive index  n20/D 1.524(lit.)
Flash point: >230 °F
form  Solid-Liquid Mixture
color  Off-white to light brown
Water Solubility  Not miscible or difficult to mix in water.
Sensitive  Hygroscopic
BRN  3599245
EPA Substance Registry System 3,6,9,12-Tetraoxatetradecane-1,14-diol, bis(4-methylbenzenesulfonate) (41024-91-3)

Safety information for PENTA(ETHYLENE GLYCOL) DI-P-TOLUENESULFONATE

Signal word Warning
Pictogram(s)
ghs
Exclamation Mark
Irritant
GHS07
GHS Hazard Statements H315:Skin corrosion/irritation
H319:Serious eye damage/eye irritation
H335:Specific target organ toxicity, single exposure;Respiratory tract irritation
Precautionary Statement Codes P261:Avoid breathing dust/fume/gas/mist/vapours/spray.
P264:Wash hands thoroughly after handling.
P264:Wash skin thouroughly after handling.
P271:Use only outdoors or in a well-ventilated area.
P280:Wear protective gloves/protective clothing/eye protection/face protection.
P302+P352:IF ON SKIN: wash with plenty of soap and water.
P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Computed Descriptors for PENTA(ETHYLENE GLYCOL) DI-P-TOLUENESULFONATE

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