| Company Name: |
J & K SCIENTIFIC LTD.
|
| Tel: |
18210857532; 18210857532 |
| Email: |
jkinfo@jkchemical.com |
| Products Intro: |
Product Name:Ethylene Di(thiotosylate) [Protecting Reagent for Active Methylene]
CAS:2225-23-2
Purity:98.0%(T) Package:25G,5G
|
| Company Name: |
Meryer (Shanghai) Chemical Technology Co., Ltd.
|
| Tel: |
4006356688 18621169109 |
| Email: |
market03@meryer.com |
| Products Intro: |
Product Name:Ethylene Di(thiotosylate) [Protecting Reagent for Active Methylene]
CAS:2225-23-2
Purity:>98.0%(T) Package:5g;25g Remarks:E0471
|
|
| | ETHYLENE DI(THIOTOSYLATE) Basic information |
| | ETHYLENE DI(THIOTOSYLATE) Chemical Properties |
| Melting point | 72-75 °C(lit.) | | form | powder to crystal | | color | White to Almost white | | CAS DataBase Reference | 2225-23-2 |
| Safety Statements | 22-24/25 | | WGK Germany | 3 | | HS Code | 2930.90.2900 |
| | ETHYLENE DI(THIOTOSYLATE) Usage And Synthesis |
| Synthesis | Treatment of potassium thiotosylate, itself made by the reaction of p-Toluenesulfonyl Chloride with Potassium Hydrogen Sulfide, with 1,3-dibromopropane or 1,2-dibromoethane in the presence of Potassium Iodide affords 1,3-propanedithiol bis(p-toluenesulfonate) and 1,2-ethanedithiol bis(p-toluenesulfonate), respectively.
|
| | ETHYLENE DI(THIOTOSYLATE) Preparation Products And Raw materials |
|