PENTA(ETHYLENE GLYCOL) DI-P-TOLUENESULFONATE
Synonym(s):3,6,9,12-Tetraoxatetradecane-1,14-diyl ditosylate;Pentaethylene glycol ditosylate
- CAS NO.：41024-91-3
- Empirical Formula: C24H34O10S2
- Molecular Weight: 546.65
- MDL number: MFCD00012204
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-07-02 08:55:06
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 | n |
| 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) |
 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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