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: 2026-01-13 11:18:51
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
New Products
4-Iodo-3,5-dimethylbenzonitrile 2-fluoro-4-iodoaniline 2-(3-Methyl-1,2,4-oxadiazol-5-yl)acetic acid (as potassium salt) 6,6'-methylenebis(9-methyl-3-((2-methyl-1H-imidazol-1-yl)methyl)-2,3-dihydro-1H-carbazol-4(9H)-one) 3-Bromo-2-fluorobenzoic acid Quinuclidine-4-carbonitrile N,N CARBONYL DIIMIDAZOLE 2-Amino-5-bromo-4-(trifluoromethyl)pyridine（RM for Indian lab) (RS)-beta-Amino-beta-(4-bromophenyl)propionic acid Tetrabutylammonium perchlorate N,O-Dimethylhydroxylamine hydrochloride (R)-1-Benzyl-3-pyrrolidinecarbonitrile Bupropian related compound F Lantanoprost rc B Clidinium Bromide Impurity Noradrenaline EP Impurity D/Noradrenaline Methyl Ether Cetirizine EP Impurity A/Cetirizine CBHP Impurity N-Nitroso hydroxy Cetrizine EP Impurity-A 4-(5-amino-1-methyl-1h-benzoimidazol-2-yl)-butyric acid isopropyl ester. 1,4-bis(methylsulfonyl)butane 4-Cyano-N-Methacryloyl-3-Trifluoromethyl Aniline 5-Methyl-1,3-benzenediacetonitrile 4-Fluorothiophenol 1-methyl amino-2,4-dinitro benzeneRelated products of tetrahydrofuran
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