chloromethyl chlorosulphate
chloromethyl chlorosulphate
CAS: 49715-04-0
Molecular Formula: CH2Cl2O3S
chloromethyl chlorosulphate - Names and Identifiers
| Name | chloromethyl chlorosulphate |
| Synonyms | CHLOROMETHYL CHLOROSULFATE Chloromethyl chlorosulfate Chloro chloromethyl sulfate chloromethyl chlorosulphate Chlorosulfuric acid, chloromethyl ester chloro{[(chlorooxy)sulfonyl]oxy}methane Chloridosulfuric acid chloromethyl ester Chloridosulfuric acid (chloromethyl) ester |
| CAS | 49715-04-0 |
| EINECS | 256-442-1 |
| InChI | InChI=1/CH2Cl2O4S/c2-1-6-8(4,5)7-3/h1H2 |
| InChIKey | PJBIHXWYDMFGCV-UHFFFAOYSA-N |
chloromethyl chlorosulphate - Physico-chemical Properties
| Molecular Formula | CH2Cl2O3S | |||||||||||||||
| Molar Mass | 165 | |||||||||||||||
| Density | 1.631 g/mL at 25 °C | |||||||||||||||
| Boling Point | 45-50 °C/10 mmHg | |||||||||||||||
| Flash Point | 176°F | |||||||||||||||
| Water Solubility | reacts | |||||||||||||||
| Vapor Presure | 0.267mmHg at 25°C | |||||||||||||||
| Appearance | Liquid | |||||||||||||||
| Color | Clear colorless to yellow | |||||||||||||||
| Storage Condition | 2-8°C | |||||||||||||||
| Refractive Index | n 20/D 1.448 | |||||||||||||||
| Physical and Chemical Properties |
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chloromethyl chlorosulphate - Risk and Safety
| Risk Codes | R22 - Harmful if swallowed R34 - Causes burns R26 - Very Toxic by inhalation |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S28A - |
| UN IDs | UN 1760 8/PG 3 |
| WGK Germany | 3 |
| HS Code | 29049090 |
| Hazard Class | 8 |
| Packing Group | II |
chloromethyl chlorosulphate - Reference Information
| uses | methyl chlorosulfonate compounds include chloromethyl chlorosulfonate and methyl dichlorosulfonate, which are important organic synthesis intermediates and a new type of high-efficiency and safe electrolyte for lithium batteries. |
| Preparation | 1) Under the condition of -50~40 ℃, in the presence of catalyst carbonate, carbonate containing saturated hydrocarbon base, borate, and borate containing saturated hydrocarbon group, Liquid sulfur trioxide reacts with dichloromethane for 1~24 hours to produce a mixture of chloromethyl chlorosulfonate and methyl dichlorosulfonate; 2) Put sodium carbonate or sodium carbonate aqueous solution into the mixture obtained in the above step 1) to remove excess sulfur trioxide and sulfuric acid generated by moisture absorption, so that the reaction continues; 3) Put sodium bicarbonate or sodium bicarbonate aqueous solution into the mixture obtained in the above step 2), completely remove excess sulfur trioxide and sulfuric acid generated by moisture absorption, stand for stratification, take the upper organic layer to dry to remove the solvent, and distill under reduced pressure, chloromethyl chlorosulfonate and methyl dichlorosulfonate were obtained respectively. |
Last Update：2024-04-10 22:29:15
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